Optical module

Abstract

In the optical module provided by the invention, a light emitting part comprises a tube socket, a TEC, a bearing part, a first laser assembly, a second laser assembly and a composite prism. The first laser assembly and the second laser assembly are fixed to the two side walls of the bearing piece respectively. The first laser assembly emits a first wavelength optical signal along the direction perpendicular to the surface of the tube base, and the second laser assembly emits a second wavelength optical signal along the direction perpendicular to the surface of the tube base. The composite prism is fixed at the top end of the bearing part, one end is used for receiving the first wavelength optical signal, and the other end is used for receiving the second wavelength optical signal. And the composite prism is used for keeping a transmission light path of one beam of light signal in the first wavelength light signal and the second wavelength light signal, and changing the transmission light path of the other beam of light signal, so that the transmission light path of the first wavelength light signal and the transmission light path of the second wavelength light signal coincide, and then the beams are combined. And the combined optical signal is emitted along the direction vertical to the surface of the tube seat, and the emitting position deviates from the central axis of the composite prism.

Description

Technical Field

[0001] This disclosure relates to the field of optical communication technology, and in particular to an optical module. Background Technology

[0002] With the development of new business and application models such as cloud computing, mobile internet, and video, advancements in optical communication technology have become increasingly important. In optical communication technology, the optical module, as one of the key components in optical communication equipment, enables photoelectric signal conversion. As optical communication technology develops, the data transmission rate of optical modules is required to continuously increase. High-transmission-rate optical modules have higher integration density than low-transmission-rate optical modules, such as by employing multi-channel optical transceiver technology to concentrate more optical transmitting components within the optical module. Utility Model Content

[0003] Some embodiments provide an optical module to enable the transmission of multi-wavelength optical signals integrated within the optical module.

[0004] In some embodiments, an optical module is provided, comprising:

[0005] The light emitting component includes:

[0006] tube seat;

[0007] TEC is located on the surface of the tube seat;

[0008] A carrier component is fixed to the surface of the TEC and is thermally connected to the TEC.

[0009] A first laser component is fixed to one side wall of the support member. The first laser component is used to emit a first wavelength light signal in a direction perpendicular to the surface of the tube seat.

[0010] The second laser component is fixed to the other side wall of the carrier, and the second laser component is used to emit a second wavelength light signal in a direction perpendicular to the surface of the tube seat;

[0011] A composite prism is fixed to the top of the carrier. One end of the composite prism receives the first wavelength optical signal, and the other end receives the second wavelength optical signal. The composite prism is used to maintain the transmission optical path of one of the first wavelength optical signal and the second wavelength optical signal, and change the transmission optical path of the other optical signal so that the transmission optical paths of the first wavelength optical signal and the second wavelength optical signal coincide, thereby combining the two optical signals. The combined optical signal is output along a direction perpendicular to the surface of the tube base and deviates from the central axis of the composite prism.

[0012] The above technical solution has the following advantages or beneficial effects: The optical module includes an optical emitting component. The optical emitting component includes a socket, a TEC (Transmission Control Unit), a carrier, a first laser component, a second laser component, and a composite prism. The TEC is disposed on the surface of the socket, and the carrier is fixed to the surface of the TEC and thermally connected to the TEC. The first laser component and the second laser component are respectively fixed to the two side walls of the carrier, so that the heat generated by the first laser component and the second laser component can be conducted to the TEC through the carrier, thereby dissipating heat. The first laser component emits a first wavelength optical signal in a direction perpendicular to the surface of the socket, and the second laser component emits a second wavelength optical signal in a direction perpendicular to the surface of the socket. The composite prism is fixed to the top of the carrier, with one end of the composite prism used to receive the first wavelength optical signal and the other end used to receive the second wavelength optical signal. The composite prism is used to maintain the transmission optical path of one of the first wavelength optical signals and the second wavelength optical signal, and by changing the transmission optical path of the other optical signal, the transmission optical path of the first wavelength optical signal coincides with the transmission optical path of the second wavelength optical signal, thus combining the two into a single optical signal. The combined optical signal is emitted in a direction perpendicular to the surface of the tube base, and the emission position is offset from the central axis of the compound prism. By combining the first wavelength optical signal emitted by the first laser component and the second wavelength optical signal emitted by the second laser component into a single optical signal using the compound prism, the optical emitting component can emit two different wavelength optical signals, improving the integration density and transmission rate of the optical module. The compound prism ensures that one of the first or second wavelength optical signals is emitted in a direct manner, without altering its transmission path. A direct-output optical path has high optical path stability and avoids signal attenuation caused by multiple reflections, thus reducing the transmission loss of that optical signal. The other optical signal undergoes two reflections, causing a shift in the optical path. One of these reflections occurs inside the compound prism, whose internal structure is stable, thus ensuring the stability of the optical path during this reflection.

[0013] In some embodiments, the composite prism includes:

[0014] A first reflecting surface is located inside the composite prism. The first reflecting surface is inclined toward the first laser component, and the first wavelength light signal is transmitted through the first reflecting surface.

[0015] The second reflective surface is located inside the composite prism and is inclined toward the second laser component; the second reflective surface is opposite to the first reflective surface; the second reflective surface and the first reflective surface respectively reflect the second wavelength optical signal to translate the transmission optical path of the second wavelength optical signal so that it can be combined with the first wavelength optical signal, and the combined optical signal is output along the light outlet of the composite prism, the light outlet is consistent with the light outlet direction of the first wavelength optical signal, and the light outlet is located at one end of the composite prism.

[0016] The above technical solution has the following advantages or beneficial effects: The composite prism includes a first reflecting surface and a second reflecting surface. The first reflecting surface and the second reflecting surface are respectively located inside the composite prism. The first reflecting surface is inclined towards the first laser component, and the second reflecting surface is inclined towards the second laser component. The second reflecting surface is arranged opposite to the first reflecting surface. A first wavelength optical signal is transmitted through the first reflecting surface to maintain the transmission optical path of the first wavelength optical signal. The second reflecting surface and the first reflecting surface respectively reflect the second wavelength optical signal, translating the transmission optical path of the second wavelength optical signal to coincide with the transmission optical path of the first wavelength optical signal, thereby achieving beam combining. The beam-combined optical signal is output along the output port, which is consistent with the output direction of the first wavelength optical signal and corresponds to the output end of the first wavelength optical signal. The composite prism maintains the transmission optical path of the first wavelength optical signal and adjusts the transmission optical path of the second wavelength optical signal to coincide with the first wavelength optical signal through two reflections, thereby achieving beam combining of the two.

[0017] In some embodiments, the composite prism includes:

[0018] A first reflecting surface is located inside the composite prism. The first reflecting surface is tilted toward the first laser component, and the first wavelength light signal is reflected at the first reflecting surface.

[0019] The second reflective surface is located inside the composite prism and is inclined toward the second laser component; the second reflective surface is opposite to the first reflective surface; the second wavelength light signal is transmitted through the second reflective surface; the second reflective surface and the first reflective surface respectively reflect the first wavelength light signal to translate the transmission optical path of the first wavelength light signal so that it can be combined with the second wavelength light signal, and the combined light signal is output along the light outlet of the composite prism, the light outlet is consistent with the light outlet direction of the second wavelength light signal, and the light outlet is formed at the other end of the composite prism.

[0020] The above technical solution has the following advantages or beneficial effects: The composite prism includes a first reflecting surface and a second reflecting surface. The first reflecting surface and the second reflecting surface are respectively located inside the composite prism. The first reflecting surface is inclined towards the first laser component, and the second reflecting surface is inclined towards the second laser component. The second reflecting surface is arranged opposite to the first reflecting surface. The second wavelength optical signal is transmitted through the first reflecting surface to maintain the transmission optical path of the second wavelength optical signal. The first reflecting surface and the second reflecting surface reflect the first wavelength optical signal respectively, translating the transmission optical path of the first wavelength optical signal to coincide with the transmission optical path of the second wavelength optical signal, thereby combining the two wavelengths. The combined optical signal is output along the output port, which is consistent with the output direction of the second wavelength optical signal and corresponds to the output end of the second wavelength optical signal. The composite prism maintains the transmission optical path of the second wavelength optical signal and adjusts the transmission optical path of the first wavelength optical signal to coincide with the second wavelength optical signal through two reflections, thereby realizing the combination of the two wavelengths.

[0021] In some embodiments, the incident optical path of the second wavelength optical signal is consistent with the output optical path of the second laser component, the output optical path of the second wavelength optical signal is consistent with the output optical path of the first laser component, and the output optical path of the first wavelength optical signal is consistent with the output optical path of the first laser component.

[0022] Alternatively, the incident optical path of the first wavelength optical signal is consistent with the output optical path of the first laser component, the output optical path of the first wavelength optical signal is consistent with the output optical path of the second laser component, and the output optical path of the second wavelength optical signal is consistent with the output optical path of the second laser component.

[0023] The above technical solution has the following advantages or beneficial effects: the outgoing optical path of the first wavelength optical signal is consistent with the outgoing optical path of the first laser component, and the incident optical path of the first wavelength optical signal is maintained in the compound prism. The second wavelength optical signal is incident into the compound prism along the outgoing optical path of the second laser component, and its transmission optical path is adjusted in the compound prism so that its outgoing optical path is consistent with the outgoing optical path of the first laser component, that is, consistent with the outgoing optical path of the first wavelength optical signal, thus the two optical paths coincide, and thus the beam is combined. Alternatively, the outgoing optical path of the second wavelength optical signal is consistent with the outgoing optical path of the second laser component, and the incident optical path of the second wavelength optical signal is maintained in the compound prism. The first wavelength optical signal is incident into the compound prism along the outgoing optical path of the first laser component, and its transmission optical path is adjusted in the compound prism so that its outgoing optical path is consistent with the outgoing optical path of the second laser component, that is, consistent with the outgoing optical path of the second wavelength optical signal, thus the two optical paths coincide, and thus the beam is combined.

[0024] In some embodiments, the carrier includes:

[0025] The base plate is arranged parallel to the tube seat direction and is fixedly connected to the TEC surface;

[0026] An upright plate is arranged perpendicular to the tube base and is disposed on the surface of the base plate. One side wall of the upright plate is used to support the first laser assembly, and the other side wall of the upright plate is used to support the second laser assembly.

[0027] The above technical solution has the following advantages or beneficial effects: The carrier includes a base plate and a vertical plate. The base plate is fixedly connected to the surface of the TEC (Transmission Electron Device), establishing a thermally conductive connection with the TEC. This allows the heat generated by the first and second laser components carried by the carrier to be conducted to the TEC for heat dissipation. The base plate increases the contact area between the carrier and the TEC, thereby increasing the thermal conductivity area. The vertical plate is disposed on the surface of the base plate, and its two sidewalls respectively support the first and second laser components, thus integrating two optical signals within the optical emitting component and achieving multi-channel optical signal transmission.

[0028] In some embodiments, an optical module is provided, comprising:

[0029] The light emitting component includes:

[0030] tube seat;

[0031] TEC is located on the surface of the tube seat;

[0032] A carrier component is fixed to the surface of the TEC and is thermally connected to the TEC.

[0033] A first laser component is fixed to one side wall of the support member. The first laser component is used to emit a first wavelength light signal in a direction perpendicular to the surface of the tube seat.

[0034] The second laser component is fixed to the other side wall of the carrier, and the second laser component is used to emit a second wavelength light signal in a direction perpendicular to the surface of the tube seat;

[0035] A composite prism, fixed to the top of the carrier and located in the light output path of the first laser component and the second laser component, is used to receive the first wavelength light signal and the second wavelength light signal; the composite prism includes:

[0036] The first right-angle prism includes a first reflecting surface, which is located inside the composite prism and is located in the light output path of the first laser component.

[0037] The second right-angle prism includes a second reflecting surface located inside the composite prism and positioned in the light output path of the second laser assembly. A first wavelength light signal is transmitted through the first reflecting surface, and after reflection by the second and first reflecting surfaces, the output light path is adjusted to coincide with the first wavelength light signal for beam combining. Alternatively, the second wavelength light signal is transmitted through the second reflecting surface, and after reflection by the first and second reflecting surfaces, the output light path is adjusted to coincide with the second wavelength light signal for beam combining. The combined light signal is output along a direction perpendicular to the surface of the tube base and offset from the central axis of the composite prism.

[0038] A parallel prism is located between the first right-angle prism and the second right-angle prism. The light signal reflected by the first or second reflecting surface is transmitted along the interior of the parallel prism.

[0039] The above technical solution has the following advantages or beneficial effects: The optical module includes a light emitting component. The light emitting component includes a socket, a TEC (Transmission Control Unit), a carrier, a first laser component, a second laser component, and a compound prism. The TEC is disposed on the surface of the socket, and the carrier is fixed to the surface of the TEC and thermally connected to the TEC. The first laser component and the second laser component are respectively fixed to the two side walls of the carrier, so the heat generated by the first laser component and the second laser component can be conducted to the TEC through the carrier, thereby dissipating heat. The first laser component emits a first wavelength light signal in a direction perpendicular to the surface of the socket, and the second laser component emits a second wavelength light signal in a direction perpendicular to the surface of the socket. The compound prism is fixed to the top of the carrier, one end of the compound prism is used to receive the first wavelength light signal, and the other end is used to receive the second wavelength light signal. The compound prism includes a first right-angle prism, a second right-angle prism, and a parallel prism. The first right-angle prism includes a first reflecting surface and is located in the light output path of the first laser component. The second right-angle prism includes a second reflecting surface and is located in the light output path of the second laser component. A parallel prism is located between a first right-angle prism and a second right-angle prism. A first reflecting surface and a second reflecting surface are located inside the composite prism. A first-wavelength optical signal is transmitted through the first reflecting surface, and a second-wavelength optical signal, after reflection from both the second and first reflecting surfaces, is adjusted to coincide with the first-wavelength optical signal for beam combining. Alternatively, the second-wavelength optical signal is transmitted through the second reflecting surface, and the first-wavelength optical signal, after reflection from both the first and second reflecting surfaces, is adjusted to coincide with the second-wavelength optical signal for beam combining. The combined optical signal is emitted in a direction perpendicular to the tube base surface, and the emission position is offset from the central axis of the composite prism. By combining the first-wavelength optical signal emitted by the first laser component and the second-wavelength optical signal emitted by the second laser component into a single optical signal using the composite prism, the optical emitting component can emit two different wavelengths of optical signals, increasing the integration density and transmission rate of the optical module.

[0040] In some embodiments, along the direction from the light-emitting side to the light-incident side of the composite prism, the first reflective surface gradually tilts closer to the first laser component, and the second reflective surface gradually tilts closer to the second laser component.

[0041] The above technical solution has the following advantages or beneficial effects: As the first reflecting surface gradually tilts closer to the first laser component along the direction from the light-emitting side to the light-input side of the composite prism, it acquires a reflective function. When the second wavelength light signal is reflected to the surface of the first reflecting surface, it can be reflected again by the first reflecting surface onto the same transmission optical path as the first wavelength light signal, thus achieving beam combining. As the second reflecting surface gradually tilts closer to the second laser component, it acquires a reflective function. When the second wavelength light signal is reflected to the surface of the second reflecting surface, it can be reflected towards the first reflecting surface, thereby changing its transmission optical path.

[0042] In some embodiments, along the direction from the light-emitting side to the light-incident side of the composite prism, the first reflective surface gradually tilts away from the first laser component, and the second reflective surface gradually tilts away from the second laser component.

[0043] The above technical solution has the following advantages or beneficial effects: As the first reflecting surface gradually tilts away from the first laser component along the direction from the light-emitting side to the light-input side of the composite prism, it acquires a reflective function. When the first wavelength light signal is reflected onto the surface of the first reflecting surface, it can be reflected towards the second reflecting surface to change its transmission optical path. Similarly, as the second reflecting surface gradually tilts away from the second laser component, it acquires a reflective function. When the first wavelength light signal is reflected onto the surface of the second reflecting surface, it can be reflected again onto a transmission optical path consistent with the second wavelength light signal, thus achieving beam combining.

[0044] In some embodiments, the carrier includes:

[0045] The base plate is arranged parallel to the tube seat direction and is fixedly connected to the TEC surface;

[0046] An upright plate is arranged perpendicular to the tube base and is disposed on the surface of the base plate. One side wall of the upright plate is used to support the first laser assembly, and the other side wall of the upright plate is used to support the second laser assembly.

[0047] The above technical solution has the following advantages or beneficial effects: The carrier includes a base plate and a vertical plate. The base plate is fixedly connected to the surface of the TEC (Transmission Electron Device), establishing a thermally conductive connection with the TEC. This allows the heat generated by the first and second laser components carried by the carrier to be conducted to the TEC for heat dissipation. The base plate increases the contact area between the carrier and the TEC, thereby increasing the thermal conductivity area. The vertical plate is disposed on the surface of the base plate, and its two sidewalls respectively support the first and second laser components, thus integrating two optical signals within the optical emitting component and achieving multi-channel optical signal transmission.

[0048] In some embodiments, a first collimating lens is provided on one side wall of the upright plate, the first collimating lens is located in the light output path of the first laser component, and the light output surface of the first collimating lens faces one end of the composite prism; a second collimating lens is provided on the other side wall of the upright plate, the second collimating lens is located in the light output path of the second laser component, and the light output surface of the second collimating lens faces the other end of the composite prism.

[0049] The above technical solution has the following advantages or beneficial effects: The first laser component and the first collimating lens are fixed on one side wall of the upright plate. The first collimating lens is located in the light output path of the first laser component. The first laser component emits light upwards perpendicular to the surface of the tube base. After being collimated by the first collimating lens, the first wavelength light signal emitted by the first laser component is incident into the compound prism. The second laser component and the second collimating lens are fixed on the other side wall of the upright plate. The second collimating lens is located in the light output path of the second laser component. The second laser component emits light upwards perpendicular to the surface of the tube base. After being collimated by the second collimating lens, the second wavelength light signal emitted by the second laser component is incident into the compound prism. Attached Figure Description

[0050] To more clearly illustrate the technical solutions in this disclosure, the accompanying drawings used in some embodiments of this disclosure will be briefly described below. Obviously, the drawings described below are merely drawings of some embodiments of this disclosure, and those skilled in the art can obtain other drawings based on these drawings. Furthermore, the drawings described below can be regarded as schematic diagrams and are not intended to limit the actual size of the product, the actual flow of the method, the actual timing of the signals, etc. involved in the embodiments of this disclosure.

[0051] Figure 1 This is a partial architecture diagram of an optical communication system according to some embodiments;

[0052] Figure 2 This is a partial structural diagram of a host computer according to some embodiments;

[0053] Figure 3 This is a structural diagram of an optical module according to some embodiments;

[0054] Figure 4 An exploded view of an optical module according to some embodiments;

[0055] Figure 5 This is a structural diagram of a light emitting component according to some embodiments;

[0056] Figure 6 This is an internal structural diagram of a light emitting component according to some embodiments;

[0057] Figure 7 This is an exploded structural diagram of a light emitting component according to some embodiments;

[0058] Figure 8 A side view of a light emitting component according to some embodiments. Figure 1 ;

[0059] Figure 9 A side view of a light emitting component according to some embodiments. Figure 2;

[0060] Figure 10 This is a schematic diagram of the optical path of a light emitting component according to some embodiments;

[0061] Figure 11 This is another optical path schematic diagram of an optical emitting component according to some embodiments. Detailed Implementation

[0062] The embodiments of this disclosure will now be described clearly and in detail with reference to the accompanying drawings. However, the described embodiments are merely some, and not all, of the embodiments of this disclosure. All other embodiments obtained by those skilled in the art based on the embodiments provided in this disclosure are within the scope of protection of this disclosure.

[0063] Unless the context otherwise requires, throughout the specification and claims, the term "comprising" is interpreted as open and inclusive, meaning "including, but not limited to"; the terms "first" and "second" should not be construed as indicating or implying relative importance or indicating an upper limit on the number; the term "multiple" means two or more; the term "connection" should be interpreted broadly, for example, "connection" can be a fixed connection, a detachable connection, or an integral part, and can be a direct connection or an indirect connection through an intermediate medium; the use of the terms "applicable to" or "configured to" implies open and inclusive language, which does not exclude applicability to or configuration to devices performing additional tasks or steps; descriptions such as "parallel," "perpendicular," "identical," "consistent," and "aligned" are not limited to absolute mathematical theoretical relationships, but also include acceptable error ranges arising in practice, and differences based on the same design concept but due to manufacturing reasons.

[0064] In optical communication technology, to establish information transmission between information processing devices, information is loaded onto light, and the speed of light propagation is used to transmit the information. This light carrying information is called an optical signal. When optical signals are transmitted in optical information transmission equipment, optical power loss can be reduced, enabling long-distance transmission of optical signals. At the same time, the cost of optical information transmission equipment such as optical fibers is lower than that of electrical information transmission equipment such as copper wires. Therefore, optical communication technology can achieve high-speed, long-distance, and low-cost information transmission.

[0065] Information processing equipment typically includes optical network units (ONUs), gateways, routers, switches, mobile phones, computers, servers, tablets, televisions, etc., while optical information transmission equipment typically includes optical fibers and optical waveguides. Information processing equipment can only recognize and process electrical signals, while optical communication technology uses optical signals for transmission, requiring optical modules to convert between optical and electrical signals.

[0066] An optical module enables the conversion between optical signals and electrical signals between information processing equipment and optical information transmission equipment. In some embodiments, at least one of the optical signal input or output terminals of the optical module is connected to an optical fiber, and at least one of the electrical signal input or output terminals of the optical module is connected to an optical network terminal. A first optical signal from the optical fiber is transmitted to the optical module, which converts the first optical signal into a first electrical signal and transmits the first electrical signal to the optical network terminal. A second electrical signal from the optical network terminal is transmitted to the optical module, which converts the second electrical signal into a second optical signal and transmits the second optical signal to the optical fiber.

[0067] Since multiple information processing devices can transmit information via electrical signals, at least one of these devices needs to be directly connected to the optical module, rather than all of them. Here, the information processing device directly connected to the optical module is also referred to as the host computer of the optical module. Furthermore, the optical signal input or output terminal of the optical module is called the optical port, and the electrical signal input or output terminal is called the electrical port.

[0068] Figure 1 This is a partial structural diagram of an optical communication system according to some embodiments. Figure 1 As shown, the optical communication system mainly includes a remote information processing device 1000, a local information processing device 2000, a host computer 100 for optical modules, an optical module 200, an optical fiber 101, and a network cable 103. Among them, the optical fiber 101 is an optical information transmission device, and the network cable 103 is an electrical information transmission device.

[0069] In some embodiments, one end of the optical fiber 101 extends toward the remote information processing device 1000, and the other end of the optical fiber 101 is connected to the optical module 200 through the optical port of the optical module 200. The optical signal can undergo total internal reflection in the optical fiber 101, and the propagation of the optical signal in the direction of total internal reflection can almost maintain the original optical power. The optical signal undergoes multiple total internal reflections in the optical fiber 101 to transmit the optical signal from the remote information processing device 1000 to the optical module 200, or to transmit the optical signal from the optical module 200 to the remote information processing device 1000, thereby realizing long-distance information transmission based on low power loss.

[0070] The optical communication system includes one or more optical fibers 101. In some embodiments, the optical fiber 101 is detachably connected to the optical module 200; in some embodiments, the optical fiber 101 is non-detachably connected to the optical module 200.

[0071] The host computer 100 is configured to provide data signals to the optical module 200, or receive data signals from the optical module 200, or monitor or control the working status of the optical module 200.

[0072] The host computer 100 includes a housing for accommodating the optical module 200, and an optical module interface 102 disposed on the housing. The optical module 200 is inserted into the housing through the optical module interface 102 to establish a unidirectional or bidirectional electrical signal connection between the host computer 100 and the optical module 200.

[0073] The host computer 100 also includes an external power interface that can connect to an electrical signal network. In some embodiments, the external power interface includes a Universal Serial Bus (USB) interface or a network cable interface 104. The network cable interface 104 is configured to connect a network cable 103 to establish a unidirectional or bidirectional electrical signal connection between the host computer 100 and the network cable 103.

[0074] One end of the network cable 103 is connected to the local information processing device 2000, and the other end is connected to the host computer 100, so as to establish an electrical signal connection between the local information processing device 2000 and the host computer 100 through the network cable 103. In some embodiments, a third electrical signal emitted by the local information processing device 2000 is transmitted to the host computer 100 through the network cable 103. The host computer 100 generates a second electrical signal based on the third electrical signal. The second electrical signal from the host computer 100 is transmitted to the optical module 200. The optical module 200 converts the second electrical signal into a second optical signal and transmits the second optical signal to the optical fiber 101. The second optical signal is transmitted in the optical fiber 101 to the remote information processing device 1000.

[0075] In some embodiments, a first optical signal from a remote information processing device 1000 is transmitted through an optical fiber 101, and the first optical signal from the optical fiber 101 is transmitted to an optical module 200. The optical module 200 converts the first optical signal into a first electrical signal, and transmits the first electrical signal to a host computer 100. The host computer 100 generates a fourth electrical signal based on the first electrical signal and transmits the fourth electrical signal to a local information processing device 2000.

[0076] In some embodiments, the optical module is a tool for converting optical signals to electrical signals. During the conversion process, the information does not change, but the encoding or decoding method of the information changes.

[0077] In addition to optical network terminals, the host computer 100 also includes optical line terminals (OLTs), optical network equipment (ONTs), or data center servers.

[0078] Figure 2 This is a partial structural diagram of a host computer according to some embodiments. To clearly show the connection relationship between the optical module 200 and the host computer 100, Figure 2 Only the structure of the host computer 100 related to the optical module 200 is shown. For example... Figure 2 As shown, in some embodiments, the host computer 100 further includes a PCB circuit board 105 disposed in the receiving cavity, and a cage 106 disposed on the surface of the PCB circuit board 105; the optical module 200 is inserted into the cage 106 and fixed by the cage 106.

[0079] In some embodiments, a heat sink 107 is provided on the cage 106 to dissipate heat for the optical module; in some embodiments, the heat sink 107 has protruding structures such as fins to increase the heat dissipation area.

[0080] In some embodiments, an electrical connector is provided inside the cage 106, which is configured to connect to the electrical port of the optical module 200.

[0081] In some embodiments, the optical module 200 is inserted into the cage 106 of the host computer 100, and the cage 106 fixes the optical module 200. The heat generated by the optical module 200 is conducted to the cage 106 and then diffused through the heat sink 107.

[0082] In some embodiments, the optical module 200 is inserted into the cage 106 of the host computer 100, and the electrical port of the optical module 200 is connected to the electrical connector inside the cage 106, thereby establishing an electrical signal connection between the optical module 200 and the host computer 100.

[0083] In some embodiments, the optical port of the optical module 200 is connected to the optical fiber 101, thereby enabling the optical module 200 to establish an optical signal connection with the optical fiber 101.

[0084] Figure 3 This is a structural diagram of an optical module according to some embodiments. Figure 4 This is an exploded view of an optical module according to some embodiments. Figure 3 and Figure 4As shown, in some embodiments, the optical module 200 includes a shell, which comprises an upper shell 201 and a lower shell 202. The upper shell 201 covers the lower shell 202, forming two openings 204 and 205, one of which is an electrical port and the other is an optical port. In some embodiments, the shell forms an opening that serves as both an electrical port and an optical port.

[0085] In some embodiments, the upper housing 201 and the lower housing 202 are made of metal materials, which facilitates electromagnetic shielding and heat dissipation.

[0086] The assembly method of combining the upper housing 201 and the lower housing 202 facilitates the installation of the circuit board 300, the light emitting component 400, the light receiving component 500, etc. into the housing. The upper housing 201 and the lower housing 202 can encapsulate and protect the above-mentioned devices.

[0087] The direction of the line connecting the two openings 204 and 205 can be consistent with or inconsistent with the length direction of the optical module 200. For example, opening 204 is located at the end of the optical module 200. Figure 3 The opening 205 is also located at the end of the optical module 200 (right end). Figure 3 (The left end). Alternatively, opening 204 is located at the end of optical module 200, while opening 205 is located on the side of optical module 200.

[0088] In some embodiments, the lower housing 202 includes a base plate 2021 and two lower side plates 2022 located on both sides of the base plate 2021 and perpendicular to the base plate 2021; the upper housing 201 includes a cover plate 2011, which covers the two lower side plates 2022 of the lower housing 202 to form the aforementioned housing.

[0089] In some embodiments, the lower housing 202 includes a base plate 2021 and two lower side plates 2022 located on both sides of the base plate 2021 and perpendicular to the base plate 2021; the upper housing 201 includes a cover plate 2011 and two upper side plates located on both sides of the cover plate 2011 and perpendicular to the cover plate 2011. The two upper side plates and the two lower side plates 2022 are combined to realize that the upper housing 201 covers the lower housing 202.

[0090] like Figure 3 and Figure 4As shown, in some embodiments, the optical module includes a circuit board 300 disposed within a housing. The circuit board 300 includes circuit traces, electronic components, and chips, etc. The electronic components and chips are connected according to the circuit design through the circuit traces to realize functions such as power supply, electrical signal transmission, and grounding. Electronic components may include, for example, capacitors, resistors, transistors, and metal-oxide-semiconductor field-effect transistors (MOSFETs). Chips may include microcontroller units (MCUs), laser driver chips, transimpedance amplifiers (TIAs), limiting amplifiers (LAs), clock and data recovery chips (CDRs), power management chips, and digital signal processing (DSP) chips.

[0091] In some embodiments, the circuit board includes a rigid circuit board, which, due to its relatively rigid material, can also serve a load-bearing function, such as being able to stably support the aforementioned electronic components and chips; the rigid circuit board can also be inserted into an electrical connector in the cage 106 of the host computer 100.

[0092] In some embodiments, the circuit board further includes a flexible circuit board, which can be used independently or in conjunction with a rigid circuit board.

[0093] In some embodiments, the circuit board further includes gold fingers formed on its end surface, the gold fingers consisting of a plurality of independent pins.

[0094] In some implementations, the gold fingers 301 are disposed on one side of the surface of the circuit board 300 (e.g., Figure 4 (as shown on the upper surface); In some implementations, the gold fingers 301 are disposed on the upper and lower surfaces of the circuit board 300 to provide a greater number of pins, thereby adapting to situations where the number of pins is required.

[0095] In some implementations, the gold fingers of the circuit board extend from the opening 204 and are inserted into the electrical connector of the host computer 100; the circuit board is inserted into the cage 106, and the gold fingers 301 are connected to the electrical connector inside the cage 106. The gold fingers 301 are configured to establish an electrical connection with the host computer, enabling electrical connection functions such as power supply, grounding, two-wire synchronous serial (Inter-Integrated Circuit, I2C) signal transmission, and data signal transmission.

[0096] In some embodiments, the optical module 200 further includes an unlocking component 600 located outside its housing. The unlocking component 600 is configured to establish a fixed connection between the optical module 200 and the host computer, or to release the fixed connection between the optical module 200 and the host computer.

[0097] For example, the unlocking component 600 is located on the outside of the two lower side plates 2022 of the lower housing 202, and includes a locking component that matches the cage 106 of the host computer 100. When the optical module 200 is inserted into the cage 106, the locking component of the unlocking component 600 fixes the optical module 200 in the cage 106; when the unlocking component 600 is pulled, the locking component of the unlocking component 600 moves accordingly, thereby changing the connection relationship between the locking component and the host computer, so as to release the fixation between the optical module 200 and the host computer, thereby allowing the optical module 200 to be pulled out of the cage 106.

[0098] In some embodiments, the optical module includes a light emitting component 400. In some embodiments, the optical module includes a light receiving component 500. In some embodiments, at least one of the light emitting component 400 or the light receiving component 500 is located on the side of the circuit board 300 away from the gold finger 301.

[0099] In some embodiments, the light emitting component 400 and the light receiving component 500 are physically separated from the circuit board 300, and then electrically connected to the circuit board 300 through corresponding flexible circuit boards or electrical connectors.

[0100] In some embodiments, at least one of the light emitting component or the light receiving component may be directly disposed on the circuit board 300. For example, at least one of the light emitting component or the light receiving component may be disposed on the surface of the circuit board 300 or the side of the circuit board 300.

[0101] In some embodiments, the light emitting component 400 and the light receiving component 500 are both disposed on a rectangular tube. The light emitting component 400 generates and outputs signal light, and the light receiving component 500 receives signal light from outside the optical module. An optical fiber adapter is disposed on the rectangular tube to connect the optical module to an external optical fiber. A lens assembly is typically disposed within the rectangular tube to change the propagation direction of the signal light output by the light emitting component 400 or the signal light input from the external optical fiber. The light emitting component 400 and the light receiving component 500 are physically separated from the circuit board 300. Therefore, it is difficult to directly connect the light emitting component 400 and the light receiving component 500 to the circuit board 300. Thus, in this embodiment, the light emitting component 400 and the light receiving component 500 are electrically connected via flexible circuit boards. However, in this embodiment, the assembly structure of the light emitting component 400 and the light receiving component 500 is not limited to... Figure 3 and Figure 4The structure shown can also be other assembly and combination structures, such as the light emitting component 400 and the light receiving component 500 being arranged on different tubes. This embodiment is just an example. Figure 3 and Figure 4 The structure shown is an example.

[0102] Figure 5 This is a structural diagram of a light-emitting component according to some embodiments. Figure 5 As shown, in some embodiments, the light emitting component 400 includes a tube base 410, a tube cap 420, and other devices disposed within the tube cap 420 and the tube base 410. The tube cap 420 covers one end of the tube base 410, and the tube base 410 includes a plurality of pins 430. The pins are used to realize the electrical connection between the flexible circuit board and other electrical devices within the light emitting component, thereby realizing the electrical connection between the light emitting component 400 and the circuit board 300.

[0103] In some embodiments, multiple optical channels can be configured inside the optical module to improve the transmission rate of the optical module. Different optical channels carry different signals.

[0104] Figure 6 This is an internal structural diagram of a light emitting component according to some embodiments. Figure 7 This is an exploded structural diagram of a light-emitting component according to some embodiments. Figure 6 and Figure 7 As shown, in some embodiments, the light emitting component 400 may include a socket 410. The surface of the socket 410 may be used to support the optical device.

[0105] In some embodiments, the light emitting component 400 may include a TEC440. By changing the direction and magnitude of the driving current applied to the TEC440, the temperature of the laser component carried by the TEC440 can be controlled to be regulated, thereby improving the heat dissipation performance of the laser component.

[0106] In some embodiments, the light emitting component 400 may include a carrier 450. The bottom end of the carrier 450 is fixed to the surface of the TEC440. The carrier 450 is thermally connected to the TEC440.

[0107] In some embodiments, the light emitting component 400 may include a first laser assembly 461 and a second laser assembly 462. The first laser assembly 461 is fixed to one side wall of the support member 450, and the second laser assembly 462 is fixed to the other side wall of the support member 450. The support member 450 is thermally connected to the TEC 440. Since the first laser assembly 461 and the second laser assembly 462 are respectively disposed on the support member 450, the heat generated by the first laser assembly 461 and the second laser assembly 462 can be conducted to the TEC 440 through the support member 450 for heat dissipation.

[0108] In some embodiments, the sidewall where the first laser component 461 is located and the sidewall where the second laser component 462 is located are disposed opposite to each other and extend in a direction perpendicular to the surface of the tube base 410. The first laser component 461 and the second laser component 462 emit light in the same direction, emitting light upward from both sides in a direction perpendicular to the surface of the tube base 410.

[0109] In some embodiments, the first laser component 461 and the second laser component 462 emit light signals of different wavelengths. The first laser component 461 emits a first wavelength light signal in a direction perpendicular to the surface of the tube base 410. The second laser component 462 emits a second wavelength light signal in a direction perpendicular to the surface of the tube base 410.

[0110] In some embodiments, the first laser component 461 and the second laser component 462 are integrated on both sides of the carrier 450 by a eutectic bonding process and a low-temperature eutectic bonding method, so as to integrate multiple laser chips on a single substrate and integrate multiple optical signals in the optical emitting component to realize multi-channel optical signal transmission.

[0111] In some embodiments, the light emitting component 400 may include a composite prism 480. The composite prism 480 includes reflecting prisms with specific shapes and sizes, which are closely arranged and cooperate with each other. The composite prism 480 can combine a first wavelength light signal output from the first laser component 461 and a second wavelength light signal output from the second laser component 462 into a single light signal. This allows the light emitting component to emit two different wavelengths of light, increasing the integration density and transmission rate of the optical module.

[0112] In some embodiments, the composite prism 480 is fixed to the top of the carrier 450 and located in the light-emitting path of the first laser component 461 and the second laser component 462 to receive the first wavelength light signal emitted by the first laser component 461 and the second wavelength light signal emitted by the second laser component 462. Exemplarily, the light-incident surface of the composite prism 480 faces the light-emitting surfaces of the first laser component 461 and the second laser component 462.

[0113] In some embodiments, one end of the composite prism 480 is suspended relative to the carrier 450 to receive a first wavelength optical signal output from the first laser component 461. The other end of the composite prism 480 is suspended relative to the carrier 450 to receive a second wavelength optical signal output from the second laser component 462. Figure 6 In the indicated direction, the left end of the composite prism 480 receives the first wavelength optical signal, and the right end of the composite prism 480 receives the second wavelength optical signal.

[0114] In some embodiments, the composite prism 480 can maintain the transmission path of one of the first and second wavelength optical signals without altering its transmission path. By changing the transmission path of the other optical signal, the transmission paths of the first and second wavelength optical signals are made to coincide, thus combining them into a single optical signal. The combined optical signal is emitted in a direction perpendicular to the surface of the tube base 410. Therefore, the optical emitting component can emit two different wavelength optical signals, increasing the integration density and transmission rate of the optical module.

[0115] In some embodiments, the combined optical signal is emitted at a position offset from the central axis of the compound prism 480, and the combined optical signal is emitted in a direction perpendicular to the surface of the tube base 410. The central axis of the compound prism 480 is as follows: Figure 6 The diagram shows the longitudinal dashed line of the compound prism 480. When the compound prism 480 maintains the transmission path of the first wavelength optical signal, the combined optical signal is emitted along the output direction of the first wavelength optical signal, and at this time, the emitted position of the combined optical signal is located to the left of the central axis of the compound prism 480. When the compound prism 480 maintains the transmission path of the second wavelength optical signal, the combined optical signal is emitted along the output direction of the second wavelength optical signal, and at this time, the emitted position of the combined optical signal is located to the right of the central axis of the compound prism 480.

[0116] In some embodiments, the composite prism 480 allows one of the first wavelength optical signals and the second wavelength optical signal to pass through without altering the transmission path of that signal. Through reflection, the outgoing optical path of the other signal is shifted relative to its incident optical path until it is aligned with the transmission path of the optical signal transmitted through the composite prism. The second wavelength optical signal and the first wavelength optical signal are then combined into a single optical signal, which is output along a direction perpendicular to the surface of the tube base 410 and offset from the central axis of the composite prism 480.

[0117] In some embodiments, the composite prism 480 can maintain the transmission optical path of the first wavelength optical signal and adjust the transmission optical path of the second wavelength optical signal to coincide with the transmission optical path of the first wavelength optical signal through two reflections, thereby performing beam combining. At this time, the transmission optical path of the first wavelength optical signal is maintained within the composite prism 480, and the transmission optical path of the second wavelength optical signal is adjusted within the composite prism 480 so that its outgoing optical path is aligned with the outgoing optical path of the first wavelength optical signal, thus the two optical paths coincide and perform beam combining.

[0118] In some embodiments, the composite prism 480 can maintain the transmission optical path of the second wavelength optical signal and adjust the transmission optical path of the first wavelength optical signal to coincide with the transmission optical path of the second wavelength optical signal through two reflections, thereby performing beam combining. At this time, the transmission optical path of the second wavelength optical signal is maintained within the composite prism 480, and the transmission optical path of the first wavelength optical signal is adjusted within the composite prism 480 so that its outgoing optical path is aligned with the outgoing optical path of the second wavelength optical signal, thereby coinciding the two optical paths and performing beam combining.

[0119] In some embodiments, the composite prism 480 allows the first wavelength optical signal to pass through without altering its transmission path. The transmission path of the second wavelength optical signal is adjusted within the composite prism 480. Exemplarily, the output path of the second wavelength optical signal is shifted to the output path of the first wavelength optical signal, causing the second wavelength optical signal and the first wavelength optical signal to coincide, thus achieving beam combining. The combined optical signal is output along the output port of the composite prism 480. At this time, the output port of the composite prism 480 is aligned with the output orientation of the first wavelength optical signal. The output port is formed at one end of the composite prism 480, offset from the central axis of the composite prism 480. Therefore, the combined optical signal is output along the position offset from the central axis of the composite prism 480. Figure 6 The left output of the compound prism 480 shown.

[0120] In some embodiments, the outgoing optical path of the second wavelength optical signal is translated relative to its incoming optical path. The incoming optical path of the second wavelength optical signal is aligned with the outgoing optical path of the second laser component 462, and the outgoing optical path of the second wavelength optical signal is aligned with the outgoing optical path of the first laser component 461, so that the outgoing optical paths of the second wavelength optical signal and the first wavelength optical signal coincide.

[0121] In some embodiments, the composite prism 480 allows the second wavelength optical signal to pass through without altering its transmission path. The transmission path of the first wavelength optical signal is adjusted within the composite prism 480. Exemplarily, the output path of the first wavelength optical signal is shifted to the output path of the second wavelength optical signal, causing their paths to coincide and thus achieving beam combining. The combined optical signal is output along the output port of the composite prism 480. At this time, the output port of the composite prism 480 is aligned with the output orientation of the second wavelength optical signal. The output port is formed at the other end of the composite prism 480, offset from the central axis of the composite prism 480. Therefore, the combined optical signal is output along the position offset from the central axis of the composite prism 480. Figure 6 The right-side output of the compound prism 480 shown.

[0122] In some embodiments, the composite prism 480 ensures that one of the first or second wavelength optical signals is emitted in a direct manner without altering its transmission path. A direct-output optical path offers higher optical path stability and avoids signal attenuation caused by multiple reflections, thereby reducing transmission loss. The other optical signal undergoes two reflections, resulting in optical path shift. Both reflections occur within the composite prism 480, whose internal structure is stable, thus ensuring the stability of the optical path during these two reflections.

[0123] In some embodiments, the support member 450 includes a base plate 451 and a vertical plate 452. The base plate 451 is disposed in a direction parallel to the tube seat 410. The base plate 451 is fixedly connected to the surface of the TEC 440, and the base plate 451 has a large cross-sectional area, thereby increasing the heat conduction area of ​​the base plate 451 and the TEC 440 and improving the heat conduction performance of the support member 450 and the TEC 440. Exemplarily, the base plate 451 and the vertical plate 452 can be integrally formed.

[0124] In some embodiments, the upright plate 452 is disposed perpendicular to the tube base 410 and is vertically fixed to the surface of the base plate 451. One side wall of the upright plate 452 is used to support the first laser assembly 461, and the other side wall is used to support the second laser assembly 462. The first laser assembly 461 and the second laser assembly 462 are integrated on the two side walls of the upright plate 452 by a low-temperature eutectic bonding method.

[0125] In some embodiments, the cross-sectional area of ​​the base plate 451 is larger than that of the vertical plate 452, increasing the contact area between the support member 450 and the TEC 440, thereby increasing the heat conduction area between the support member 450 and the TEC 440 and improving the heat dissipation performance of the first laser component 461 and the second laser component 462.

[0126] In some embodiments, the light emitting component 400 includes a first collimating lens 471 and a second collimating lens 472. The first collimating lens 471 is fixed to one side wall of the upright plate 452 by optical adhesive, and the second collimating lens 472 is fixed to the other side wall of the upright plate 452 by optical adhesive. The light-incident surface of the compound prism 480 faces the first collimating lens 471 and the second collimating lens 472.

[0127] In some embodiments, a first collimating lens 471 is located on the light-emitting side of the first laser component 461, and the first collimating lens 471 collimates the first wavelength light signal to improve optical coupling efficiency. A second collimating lens 472 is located on the light-emitting side of the second laser component 462, and the second collimating lens 472 collimates the second wavelength light signal to improve optical coupling efficiency.

[0128] For example, a first collimating lens 471 is disposed between the first laser component 461 and the compound prism 480, and a second collimating lens 472 is disposed between the second laser component 462 and the compound prism 480. The compound prism 480 is located on the light-emitting side of the first collimating lens 471 and the second collimating lens 472 to receive the light signals output from the first collimating lens 471 and the second collimating lens 472.

[0129] In some embodiments, the first wavelength optical signal output by the first laser component 461 is collimated by the first collimating lens 471 and then incident into the compound prism 480 with high optical coupling efficiency. The second wavelength optical signal output by the second laser component 462 is collimated by the second collimating lens 472 and then incident into the compound prism 480 with high optical coupling efficiency.

[0130] Figure 8 A side view of a light emitting component according to some embodiments. Figure 1 .like Figure 8 As shown, in some embodiments, one end of the composite prism 480 is suspended relative to the upright plate 452 to receive the first wavelength light signal output by the first collimating lens 471.

[0131] In some embodiments, the first laser component 461 and the first collimating lens 471 are fixed to one side wall of the upright plate 452. The first collimating lens 471 is located in the light output path of the first laser component 461. The first laser component 461 emits light upwards perpendicular to the surface of the tube base 410. After being collimated by the first collimating lens 471, the first wavelength light signal emitted by the first laser component 461 is incident into the compound prism 480.

[0132] In some embodiments, the first collimating lens 471 is located below one end of the compound prism 480.

[0133] In some embodiments, the base plate 451 is thermally connected to the TEC440, and the bottom end of the first laser component 461 is fixed to the surface of the base plate 451. The heat generated by the first laser component 461 is then conducted to the surface of the TEC440 through the base plate 451.

[0134] Figure 9 A side view of a light emitting component according to some embodiments. Figure 2 .like Figure 8 and Figure 9 As shown, in some embodiments, the other end of the composite prism 480 is suspended relative to the upright plate 452 to receive the second wavelength light signal output by the second collimating lens 472.

[0135] In some embodiments, the second laser component 462 and the second collimating lens 472 are fixed to the other sidewall of the upright plate 452. The second collimating lens is located in the light output path of the second laser component 462. The second laser component 462 emits light upwards perpendicular to the surface of the tube base 410. After being collimated by the second collimating lens 472, the second wavelength light signal emitted by the second laser component 462 is incident into the compound prism 480.

[0136] In some embodiments, the second collimating lens 472 is located below the other end of the compound prism 480.

[0137] In some embodiments, the base plate 451 is thermally connected to the TEC440, and the bottom end of the second laser component 462 is fixed to the surface of the base plate 451. The heat generated by the second laser component 462 is then conducted to the surface of the TEC440 through the base plate 451.

[0138] Figure 10 This is a schematic diagram of the optical path of a light emitting component according to some embodiments. For example... Figure 10 As shown, in some embodiments, the composite prism 480 does not alter the transmission path of the first wavelength optical signal. The transmission path of the second wavelength optical signal is adjusted within the composite prism 480 so that it coincides with the transmission path of the first wavelength optical signal for beam combining. The combined optical signal exits along the left side of the composite prism 480.

[0139] In some embodiments, the composite prism 480 includes a first right-angle prism 481a. The first right-angle prism 481a is located in the light output path of the first laser assembly 461. Exemplarily, the first right-angle prism 481a is formed on the left side of the composite prism 480.

[0140] In some embodiments, the composite prism 480 includes a second right-angle prism 482a. The second right-angle prism 482a is located in the light output path of the second laser assembly 462. Exemplarily, the second right-angle prism 482a is formed on the right side of the composite prism 480.

[0141] In some embodiments, the composite prism 480 includes a parallel prism 483a. The parallel prism 483a is located between a first right-angle prism 481a and a second right-angle prism 482a. The first right-angle prism 481a, the parallel prism 483a, and the second right-angle prism 482a are tightly bonded together with optical adhesive to form the composite prism 480. The hypotenuse of the first right-angle prism 481a is bonded to one side of the parallel prism 483a, and the hypotenuse of the second right-angle prism 482a is bonded to the other side of the parallel prism 483a.

[0142] In some embodiments, the first right-angle prism 481a includes a first reflective surface 484a. The first reflective surface 484a is located inside the compound prism 480 and is inclined toward the first laser assembly 461. The first reflective surface 484a is formed at one end of the compound prism 480.

[0143] In some embodiments, the second right-angle prism 482a includes a second reflective surface 485a. The second reflective surface 485a is located inside the compound prism 480 and is inclined toward the second laser assembly 462. The second reflective surface 485a is formed at the other end of the compound prism 480.

[0144] In some embodiments, the first reflective surface 484a and the second reflective surface 485a are arranged parallel to each other. Along the direction from the light-emitting side to the light-incident side of the composite prism 480, the first reflective surface 484a gradually tilts closer to the first laser component 461, and the second reflective surface 485a gradually tilts closer to the second laser component 462.

[0145] For example, the first reflecting surface 484a and the second reflecting surface 485a are respectively attached to the two sides of the parallel prism 483a.

[0146] In some embodiments, the first reflective surface 484a allows the first wavelength optical signal to pass through without altering its transmission path. The second wavelength optical signal is reflected from both the second reflective surface 485a and the first reflective surface 484a, thereby changing its transmission path. Exemplarily, the second reflective surface 485a causes the second wavelength optical signal to undergo a first reflection, shifting its transmission path to the first reflective surface 484a. The first reflective surface 484a then causes the second wavelength optical signal to undergo a second reflection. After these two reflections, the second wavelength optical signal's output path coincides with that of the first wavelength optical signal, resulting in a beamforming optical signal. The beamformed optical signal is then output along the output path of the first wavelength optical signal.

[0147] In some embodiments, the first wavelength optical signal output from the first laser component 461 is incident on the first collimating lens 471, and after being collimated by the first collimating lens 471, it is incident on the surface of the first reflecting surface 484a. The first wavelength optical signal is directly transmitted through the first reflecting surface 484a, so the transmission optical path of the first wavelength optical signal is consistent with the output optical path of the first wavelength optical signal from the first laser component 461, and the light is emitted upward along the first laser component 461.

[0148] In some embodiments, the second wavelength optical signal output by the second laser component 462 is incident on the second collimating lens 472. When the second wavelength optical signal is incident along the incident end of the compound prism 480, it first reaches the second reflecting surface 485a. After being reflected once on its surface, it passes through the interior of the parallel prism 483a at a specific angle and is reflected again on the surface of the first reflecting surface 484a. Finally, the second wavelength optical signal is emitted in the same direction as the first wavelength optical signal, and the transmission paths of the second wavelength optical signal and the first wavelength optical signal coincide, thus achieving beam combining. The beam combining of the second wavelength optical signal and the first wavelength optical signal is achieved through the cooperative operation of the internal reflecting surfaces of the compound prism 480.

[0149] In some embodiments, the outgoing optical path of the second wavelength optical signal is translated relative to its incoming optical path to coincide with the outgoing optical path of the first wavelength optical signal, thereby achieving beam combining. Exemplarily, the incoming optical path of the second wavelength optical signal is aligned with the outgoing optical path of the second laser component 462, and the outgoing optical path of the second wavelength optical signal is aligned with the outgoing optical path of the first laser component 461, so that the outgoing optical paths of the second wavelength optical signal and the first wavelength optical signal coincide.

[0150] In some embodiments, the outgoing optical path of the second wavelength optical signal is translated relative to its incident optical path in a direction parallel to the tube base 410. The translation of the optical path occurs within the parallel prism 483a. The translation distance of the transmission optical path of the second wavelength optical signal can be controlled by controlling the horizontal distance between the first reflecting surface 484a and the second reflecting surface 485a.

[0151] In some embodiments, the first wavelength optical signal and the second wavelength optical signal are combined into a single optical signal, and the combined optical signal is output along the output port of the composite prism 480. At this time, the orientation of the output port is consistent with the output direction of the first wavelength optical signal, and the output port is located at one end opposite the first laser component 461, and on one side of the central axis of the composite prism 480. For example, as... Figure 10 As shown, the combined optical signal is emitted from the left end of the composite prism 480 in the direction indicated.

[0152] Figure 11 This is another optical path schematic diagram of a light emitting component according to some embodiments. For example... Figure 11 As shown, in some embodiments, the composite prism 480 does not alter the transmission path of the second wavelength optical signal. The transmission path of the first wavelength optical signal is adjusted within the composite prism 480 so that it coincides with the transmission path of the second wavelength optical signal for beam combining. The beam-combined optical signal exits along the right side of the composite prism 480.

[0153] In some embodiments, the composite prism 480 includes a first right-angle prism 481b. The first right-angle prism 481b is located in the light output path of the first laser assembly 461. Exemplarily, the first right-angle prism 481b is formed on the left side of the composite prism 480.

[0154] In some embodiments, the composite prism 480 includes a second right-angle prism 482b. The second right-angle prism 482b is located in the light output path of the second laser assembly 462. Exemplarily, the second right-angle prism 482b is formed on the left side of the composite prism 480.

[0155] In some embodiments, the composite prism 480 includes a parallel prism 483b. The parallel prism 483b is located between a first right-angle prism 481b and a second right-angle prism 482b. The first right-angle prism 481b, the parallel prism 483b, and the second right-angle prism 482b are tightly bonded together with optical adhesive to form the composite prism 480. The hypotenuse of the first right-angle prism 481b is bonded to one side of the parallel prism 483b, and the hypotenuse of the second right-angle prism 482b is bonded to the other side of the parallel prism 483b.

[0156] In some embodiments, the first right-angle prism 481b includes a first reflective surface 484b. The first reflective surface 484b is located inside the compound prism 480 and is inclined toward the first laser assembly 461. The first reflective surface 484b is formed at one end of the compound prism 480.

[0157] In some embodiments, the second right-angle prism 482b includes a second reflective surface 485b. The second reflective surface 485b is located inside the compound prism 480 and is inclined toward the second laser assembly 462. The second reflective surface 485b is formed at the other end of the compound prism 480.

[0158] In some embodiments, the first reflective surface 484b and the second reflective surface 485b are arranged parallel to each other. Along the direction from the light-emitting side to the light-incident side of the composite prism 480, the first reflective surface 484b gradually tilts away from the first laser component 461, and the second reflective surface 485b gradually tilts away from the second laser component 462. The first reflective surface 484b and the second reflective surface 485b are respectively attached and connected to both sides of the parallel prism 483a.

[0159] In some embodiments, the second reflective surface 485b allows the second wavelength optical signal to pass through without altering its transmission path. The first wavelength optical signal is reflected from the surfaces of the first reflective surface 484b and the second reflective surface 485b, thereby changing its transmission path. Exemplarily, the first reflective surface 484b causes the first wavelength optical signal to undergo a first reflection on its surface, shifting the transmission path of the first wavelength optical signal to the second reflective surface 485b. The second reflective surface 485b then causes the first wavelength optical signal to undergo a second reflection on its surface. After two reflections, the output optical path of the first wavelength optical signal coincides with that of the second wavelength optical signal, resulting in beam combining. The combined optical signal is then output along the output optical path of the second wavelength optical signal.

[0160] In some embodiments, the second wavelength optical signal output from the second laser component 462 is incident on the second collimating lens 472, and after being collimated by the second collimating lens 472, it is incident on the surface of the second reflecting surface 485b. The second wavelength optical signal is directly transmitted through the second reflecting surface 485b, so the transmission optical path of the second wavelength optical signal is consistent with the output optical path of the second wavelength optical signal from the second laser component 462, and the light is emitted upward along the second laser component 462.

[0161] In some embodiments, a first wavelength optical signal output from the first laser component 461 is incident on the first collimating lens 471. When the first wavelength optical signal is incident along the incident end of the compound prism 480, it first reaches the first reflecting surface 484b, undergoes one reflection on its surface, passes through the interior of the parallel prism 483b at a specific angle, and is reflected again on the surface of the second reflecting surface 485b. The first wavelength optical signal is then emitted in the same direction as the second wavelength optical signal, and the transmission paths of the first and second wavelength optical signals coincide, thus achieving beam combining. The beam combining of the first and second wavelength optical signals is achieved through the coordinated operation of the internal reflecting surfaces of the compound prism 480.

[0162] In some embodiments, the outgoing optical path of the first wavelength optical signal is translated relative to its incoming optical path to coincide with the outgoing optical path of the second wavelength optical signal, thereby achieving beam combining. Exemplarily, the incoming optical path of the first wavelength optical signal is aligned with the outgoing optical path of the first laser component 461, and the outgoing optical path of the first wavelength optical signal is aligned with the outgoing optical path of the second laser component 462, so that the outgoing optical paths of the first and second wavelength optical signals coincide.

[0163] In some embodiments, the outgoing optical path of the first wavelength optical signal is translated relative to its incident optical path in a direction parallel to the tube base 410. The translation of the optical path occurs within the parallel prism 483b. The translation distance of the transmission optical path of the first wavelength optical signal can be controlled by controlling the horizontal distance between the first reflecting surface 484b and the second reflecting surface 485b.

[0164] In some embodiments, the first wavelength optical signal and the second wavelength optical signal are combined into a single optical signal, and the combined optical signal is output along the output port of the composite prism 480. At this time, the orientation of the output port is consistent with the output direction of the second wavelength optical signal, and the output port is located at one end opposite the second laser component 462, and on the other side of the central axis of the composite prism 480. For example, as... Figure 11 As shown, the combined optical signal is emitted from the right end of the composite prism 480 in the direction indicated.

[0165] The above description is merely a specific embodiment of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any variations or substitutions conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the claims.

Claims

1. An optical module characterized by comprising: The application relates to a light emitting device, which comprises: a light emitting component, which comprises: a tube base; a TEC arranged on the surface of the tube base; a carrier fixed on the surface of the TEC and in thermal contact with the TEC; a first laser assembly fixed on one side wall of the carrier, the first laser assembly being used for emitting a first wavelength light signal in a direction perpendicular to the surface of the tube base; a second laser assembly fixed on another side wall of the carrier, the second laser assembly being used for emitting a second wavelength light signal in a direction perpendicular to the surface of the tube base; a composite prism fixed on the top end of the carrier, one end of the composite prism receiving the first wavelength light signal and the other end receiving the second wavelength light signal; the composite prism is used for keeping the transmission light path of one of the first wavelength light signal and the second wavelength light signal and changing the transmission light path of the other one, so that the transmission light paths of the first wavelength light signal and the second wavelength light signal coincide, and then the light signals are combined, and the combined light signals are output in a direction perpendicular to the surface of the tube base and deviating from the central axis of the composite prism.

2. The optical module according to claim 1, characterized by The composite prism comprises: a first reflecting surface arranged inside the composite prism and inclined towards the first laser assembly, the first wavelength light signal being transmitted through the first reflecting surface; a second reflecting surface arranged inside the composite prism and inclined towards the second laser assembly, the second reflecting surface being oppositely arranged to the first reflecting surface; the second reflecting surface and the first reflecting surface respectively reflect the second wavelength light signal, so that the transmission light path of the second wavelength light signal is translated to be combined with the first wavelength light signal, and the combined light signals are output through an outlet of the composite prism, the outlet being consistent with the outlet direction of the first wavelength light signal, and the outlet being arranged at one end of the composite prism.

3. The optical module according to claim 1, characterized by The composite prism comprises: a first reflecting surface arranged inside the composite prism and inclined towards the first laser assembly, the first wavelength light signal being reflected by the first reflecting surface; a second reflecting surface arranged inside the composite prism and inclined towards the second laser assembly, the second reflecting surface being oppositely arranged to the first reflecting surface; the second wavelength light signal being transmitted through the second reflecting surface; the second reflecting surface and the first reflecting surface respectively reflect the first wavelength light signal, so that the transmission light path of the first wavelength light signal is translated to be combined with the second wavelength light signal, and the combined light signals are output through an outlet of the composite prism, the outlet being consistent with the outlet direction of the second wavelength light signal, and the outlet being arranged at the other end of the composite prism.

4. The optical module according to claim 1, characterized by The incident light path of the second wavelength light signal is consistent with the outlet light path of the second laser assembly, and the outlet light path of the second wavelength light signal is consistent with the outlet light path of the first laser assembly; the outlet light path of the first wavelength light signal is consistent with the outlet light path of the first laser assembly; Or, the incident light path of the first wavelength optical signal is consistent with the light emitting path of the first laser assembly, and the outgoing light path of the first wavelength optical signal is consistent with the light emitting path of the second laser assembly. The outgoing light path of the second wavelength optical signal is consistent with the light emitting path of the second laser assembly.

5. The optical module of claim 1, wherein, The carrier includes: a bottom plate arranged along a direction parallel to the tube base and fixedly connected to the surface of the TEC; a vertical plate arranged along a direction perpendicular to the tube base and arranged on the surface of the bottom plate, one side wall of the vertical plate being used for supporting the first laser assembly, and the other side wall of the vertical plate being used for supporting the second laser assembly.

6. An optical module characterized by comprising: It includes: a light emitting component including: a tube base; a TEC arranged on the surface of the tube base; a carrier fixedly connected to the surface of the TEC and in thermal connection with the TEC; a first laser assembly fixed on one side wall of the carrier, the first laser assembly being used for emitting a first wavelength optical signal along a direction perpendicular to the surface of the tube base; a second laser assembly fixed on the other side wall of the carrier, the second laser assembly being used for emitting a second wavelength optical signal along a direction perpendicular to the surface of the tube base; a composite prism fixed on the top end of the carrier and located on the light emitting paths of the first laser assembly and the second laser assembly to receive the first wavelength optical signal and the second wavelength optical signal; the composite prism includes: a first right-angle prism including a first reflecting surface located inside the composite prism, the first right-angle prism being located on the light emitting path of the first laser assembly; a second right-angle prism including a second reflecting surface located inside the composite prism, the second right-angle prism being located on the light emitting path of the second laser assembly; the first wavelength optical signal transmits through the first reflecting surface, and the second wavelength optical signal is reflected by the second reflecting surface and the first reflecting surface, and the outgoing light path is adjusted to be coincident with the first wavelength optical signal to perform beam combination; or, the second wavelength optical signal transmits through the second reflecting surface, and the first wavelength optical signal is reflected by the first reflecting surface and the second reflecting surface, and the outgoing light path is adjusted to be coincident with the second wavelength optical signal to perform beam combination; the combined light signal is output along a direction perpendicular to the surface of the tube base and deviating from the central axis of the composite prism; a parallel prism located between the first right-angle prism and the second right-angle prism, and the light signal reflected by the first reflecting surface or the second reflecting surface transmits inside the parallel prism.

7. The optical module according to claim 6, characterized by In a direction from the light emitting side to the light incident side of the composite prism, the first reflecting surface is gradually inclined to approach the first laser assembly, and the second reflecting surface is gradually inclined to approach the second laser assembly.

8. The optical module of claim 6, wherein, In a direction from the light emitting side to the light incident side of the composite prism, the first reflecting surface is gradually inclined to move away from the first laser assembly, and the second reflecting surface is gradually inclined to move away from the second laser assembly.

9. The optical module of claim 6, wherein, The carrier includes: a bottom plate arranged along a direction parallel to the tube base and fixedly connected to the surface of the TEC; A vertical plate is arranged in a direction perpendicular to the pipe base and is arranged on the surface of the bottom plate. One side wall of the vertical plate is used to support the first laser assembly, and the other side wall of the vertical plate is used to support the second laser assembly.

10. The optical module according to claim 9, characterized by One side wall of the vertical plate is provided with a first collimating lens. The first collimating lens is located on the light path of the first laser assembly. The light emitting surface of the first collimating lens faces one end of the compound prism. The other side wall of the vertical plate is provided with a second collimating lens. The second collimating lens is located on the light path of the second laser assembly. The light emitting surface of the second collimating lens faces the other end of the compound prism.

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