54 results about "Optical integration" patented technology

Apparatuses, systems and methods for optical coupling, optical integration, electro-optical coupling, and electro-optical packaging are described herein. Optical couplers may comprise various optical elements (e.g., mirrors as described herein) to relax optical assembly requirements and improve producibility. Optical couplers may improve fiber-to-chip, fiber-to-fiber and chip-to-chip optical connection. Optical couplers and optical components may be used to improve integration of, connection of, and / or packaging of optical systems and / or components with electrical systems and / or components.

The invention discloses a photonic integrated circuit chip and a silicon optical integration platform, and aims to provide a specific waveguide structure on the photonic integrated circuit chip to realize efficient coupling with a common single-mode fiber, and meanwhile, a suspended structure is not introduced, so that the overall structure has relatively high mechanical stability. The method can pass high-temperature and high-humidity reliability test conditions of the photon integrated circuit chip, and is compatible with reflow soldering, silicon through hole and other processes.

An optical microscope device comprises an optically integrated configuration of components for imaging a target device within a field of view of the optical microscope device, and for laser annealing the target device by generating a laser beam spot pattern from a laser beam received on an optical fiber from a remote laser source, and for controlling a duration of exposure of the laser beam spot pattern for laser annealing the target device.

Apparatuses, systems and methods for optical coupling, optical integration, electro-optical coupling, and electro-optical packaging are described herein. Optical couplers may comprise various optical elements (e.g., mirrors as described herein) to relax optical assembly requirements and improve producibility. Optical couplers may improve fiber-to-chip, fiber-to-fiber and chip-to-chip optical connection. Optical couplers and optical components may be used to improve integration of, connection of, and / or packaging of optical systems and / or components with electrical systems and / or components.

The invention relates to the technical field of optical networks, and provides a metropolitan area-access all-optical convergence network system based on a digital subcarrier multiplexing technology. The system comprises a digital subcarrier-based continuous signal generation module in a metropolitan area node, a digital subcarrier-based burst signal generation module in an access network optical network unit, and a digital subcarrier beam splitting / combining module in a metropolitan area-access all-optical fusion node, the digital subcarrier-based west / east continuous signal receiving and processing module is arranged in the metropolitan area node; and the burst signal receiving and processing module is arranged in the access network optical network unit. All-optical fusion is achieved in a metropolitan area network and an access network system through the digital subcarrier multiplexing technology, delay and jitter caused by optical-electric-optical conversion can be effectively avoided, and precious wavelength resources are saved. In addition, different subcarriers are endowed with different functions, so that not only is bidirectional high-speed transmission realized, but also the flexibility of the network architecture is greatly improved.

Apparatuses, systems and methods for optical coupling, optical integration, electro-optical coupling, and electro-optical packaging are described herein. Optical couplers may comprise various optical elements (e.g., mirrors as described herein) to relax optical assembly requirements and improve producibility. Optical couplers may improve fiber-to-chip, fiber-to-fiber and chip-to-chip optical connection. Optical couplers and optical components may be used to improve integration of, connection of, and / or packaging of optical systems and / or components with electrical systems and / or components.

Apparatuses, systems and methods for optical coupling, optical integration, electro-optical coupling, and electro-optical packaging are described herein. Optical couplers may comprise various optical elements (e.g., mirrors as described herein) to relax optical assembly requirements and improve producibility. Optical couplers may improve fiber-to-chip, fiber-to-fiber and chip-to-chip optical connection. Optical couplers and optical components may be used to improve integration of, connection of, and / or packaging of optical systems and / or components with electrical systems and / or components.

Apparatuses, systems and methods for optical coupling, optical integration, electro-optical coupling, and electro-optical packaging are described herein. Optical couplers may comprise various optical elements (e.g., mirrors as described herein) to relax optical assembly requirements and improve producibility. Optical couplers may improve fiber-to-chip, fiber-to-fiber and chip-to-chip optical connection. Optical couplers and optical components may be used to improve integration of, connection of, and / or packaging of optical systems and / or components with electrical systems and / or components.

The present invention belongs to the field of surface plasmon nanolasers, and particularly relates to a surface plasmon laser based on a pair of silver nanowires for a Fabry-Perot cavity. The laser includes a single-crystalline pair of silver nanowires, a gain medium, and a super-smooth metal film. An isolation layer is provided on the super-smooth metal film, the gain medium is disposed on the isolation layer, and the single-crystalline pair of silver nanowires are respectively disposed on both sides of the gain medium, so that the pair of silver nanowires and the super-smooth gold film form a surface plasmon resonance cavity of a composite structure, providing strong electric field confinement and directional scattering characteristics. The surface plasmon laser proposed by the present invention has a simple preparation process and is easy to operate. It can effectively convert pump light into surface plasmons and well confine them in the resonance cavity, realizing efficient excitation of the laser, obtaining an ultra-low excitation threshold, and being more suitable for micro-nano on-chip optical integration; by virtue of the scattering directivity of the surface plasmon resonance cavity, the problem of poor directivity of the plasmon laser can be improved. The present invention expands the application of surface plasmon lasers in the field of integrated optics.

The invention provides a surface plasmon nano laser and a preparation method thereof. The preparation method comprises the following steps: manufacturing and forming a metal layer and a dielectric layer on a substrate, manufacturing and forming a first alignment mark on the dielectric layer, manufacturing and forming a gain dielectric array and a second alignment mark on a glass substrate, aligning and attaching the first alignment mark and the second alignment mark, and attaching the gain dielectric array and the dielectric layer. And combining to form the surface plasmon nano laser. According to the preparation method, accurate positioning of the position of the laser can be realized, flexible array modulation of different gain medium shapes and different array distribution can be realized, the consistency of the property of the laser can be effectively improved, more laser array functions are easy to expand, and benefit from the high precision of the micro-nano processing technology, the production efficiency is improved, and the production cost is reduced. The laser array prepared by the method has smaller unit laser size, more accurate laser spacing and higher optical integration.

The present invention discloses a polymer molding detection device based on piezoelectric-thermocouple array and optical integration, wherein the basic components include: a measurement channel, an outer edge layer, and an insulating sleeve arranged coaxially from the inside to the outside; the measurement channel is a microarray structure channel, in which the polymer melt flows axially; the temperature control component includes a heating coil and a cooling water channel, the heating coil is arranged on the outside of the outer edge layer, and the cooling water channel is arranged in the outer edge layer; the microarray component includes two thermocouple sensor arrays and two piezoelectric sensor arrays of equal thickness; the two thermocouple sensor arrays are arranged relatively on the surface of the inner wall of the measurement channel, the piezoelectric sensor array and the thermocouple sensor array are arranged in a stacked manner, and the positions of the two piezoelectric sensor arrays are relative; the optical axis of the optical-stress measurement component is perpendicular to the axis of the measurement channel, and the internal stress of the polymer melt is detected by polarized light and a CCD camera. The present invention can realize the detection of global polymer melt information in the micro-molding measurement channel.

The utility model discloses a kind of high-precision RGB edge-emitting laser lamp group module, it is related to optoelectronic packaging technical field, including copper substrate, the top of copper substrate is fixedly connected with chip bracket, the top of chip bracket is fixedly connected with several T table type silicon prism, the top of chip bracket is fixedly connected with edge-emitting laser chip assembly, the top of copper substrate is installed with glass optical window, the bottom of glass optical window is coated with metal plating, the device is through structural integration design, optical integration optimization and all inorganic packaging process, effectively improve the light path precision of edge-emitting laser chip assembly, structural stability, packaging reliability and thermal management performance, while significantly improve the automation assembly efficiency and reduce manufacturing cost, especially suitable for high-resolution display, complex environment lighting and laser system in the scene with higher precision and reliability requirement.

A 1×2 thermo-optic switch based on a silica / polymer hybrid waveguide and its manufacturing method, belonging to the technical field of silica / polymer hybrid waveguide optical integrated chips. It is composed of an Si substrate, an SiO2 lower cladding, a polymer core layer, a polymer upper cladding, and electrodes; the polymer core layer is coated within the polymer upper cladding, and the polymer core layer consists of an input waveguide, a 1×2 3dB multimode interferometer, a first input S-bending waveguide, a second input S-bending waveguide, a first modulation arm waveguide, a second modulation arm waveguide, a first output S-bending waveguide, a second output S-bending waveguide, a 2×2 3dB multimode interferometer, a first output waveguide, and a second output waveguide; the first modulation arm waveguide and the second modulation arm waveguide are parallel to each other. When a modulation voltage is applied to the electrodes on the first modulation arm waveguide or the second modulation arm waveguide, the signal light is output from the first output waveguide or the second output waveguide, thereby realizing the optical switch function.

This invention discloses a distributed acoustic wave sensing system and all-optical integration method based on an optical neural network, relating to the fields of fiber optic sensing and artificial intelligence. The system comprises a DAS optical path integration component, an external connection component, and a signal processing integrated chip. The system combines an integrated optical delay line, a quasi-three-port detection structure, and a pure optical neural network module to achieve all-optical integration of the DAS sensing system and pure optical signal processing. This system offers advantages such as reduced photoelectric conversion, enhanced parallel processing capabilities, increased processing speed, reduced energy consumption, improved system stability, and a simplified system architecture.

The invention relates to the field of photonic crystal manufacturing, in particular to a multi-beam laser holography complex period photonic crystal manufacturing system and method, and the system is provided with a laser, a multi-beam generation element, a beam collimation element, a displacement table, a spatial light modulator, a focusing lens, a photoresist plate, a multi-axis displacement table and an upper computer. The upper computer is used for controlling the displacement table, the spatial light modulator and the multi-axis displacement table, laser is emitted from the laser device and passes through the multi-beam generation element in the normal direction to generate multiple beams of coherent light, the multiple beams of coherent light are collimated into parallel light through the beam collimation element, and the parallel light is transmitted to the spatial light modulator through the multi-axis displacement table. A spatial light modulator is controlled by an upper computer to change the phase and polarization state of each parallel light beam, and then each parallel light beam is converged to a photoresist plate through a focusing lens. The large-area complex period photonic crystal can be repeatedly prepared on a large scale under modularization, high integration and fine control, and the method plays an important role in the optical fields of optical integration, optical communication and the like.

The invention discloses an integrated multi-channel optical transceiver assembly control system based on an FPGA, and relates to the technical field of microwave photons.The integrated multi-channel optical transceiver assembly control system comprises an electric control module and a plurality of optical integration modules, and the electric control module is electrically connected with the optical integration modules; the optical integration module adopts a micro-assembly mode, integrates a laser, a modulator, a photoelectric coupler and a photoelectric detector on a single carrier plate, and is used for radio frequency signal modulation and demodulation; the electric control module integrates an ATC module, an APC module and an MZM modulator bias point control module on a single carrier plate, and integrates an FPGA and a multi-channel AD / DA to complete analog domain and digital domain signal conversion and processing.

The scheme discloses a high-light-efficiency energy-saving coaxial light path constraint concentric ring light distribution industrial and mining lighting lamp and a light distribution structure forming method, and belongs to the field of industrial and mining lighting optical structures. The lamp is provided with an integrated coaxial optical assembly structure, and a split type optical component assembly structure is abandoned. A light source plate is arranged with concentric ring arranged light emitting elements, the arrangement center is coaxially aligned with the light emitting center, the center area is hollow without lamp beads, a single ring lamp bead reserved light path channel is arranged, and a reflective ring part with four corner positioning is arranged on the inner side. The lamp is provided with built-in central axis light collecting structure, lateral light control structure and light path recycling structure, and the three types of structures are coaxially arranged. The application adopts optical logic of controlling light first and then emitting light, relies on five optical linkages to form a closed loop light path control, solves the hardware defects of traditional industrial and mining lamps, such as glare, light path disorder, mutual interference of lamp beads, stray light interference of main light path and low light efficiency, and the like, and solves the problem of forced correction of light path by relying on lenses due to disordered arrangement of the lamps. The idle light can be recycled and reused, the lamp bead arrangement does not have interlayer interference, the material is less, the light emission direction is concentrated, the overall illuminance and light efficiency are synchronously improved, the optical integration is high, and the lamp can be adapted to multiple power and multiple working condition lighting scenes.

The invention discloses an all-optical integration system, comprising: an optical envelope to be integrated is connected to the input end of a first-stage two-tap positive coefficient microwave photon filter (1); the output end of the first-stage two-tap positive coefficient microwave photon filter (1) is connected to the first input end (9a) of a three-port optical circulator; the output end of a laser source (6) is connected to the input end of an optical isolator (7); the output end of the optical isolator (7) is connected to the input end of an optical envelope detection module (8); the output end of the optical envelope detection module (8) is connected to the second input end (9b) of the three-port optical circulator; the output end (9c) of the three-port optical circulator is connected to the input end of a second-stage two-tap positive coefficient microwave photon filter (10); and the output end of the second-stage two-tap positive coefficient microwave photon filter (10) is the final output end. The invention avoids complex spectral filtering, has simple devices, and is easy to adjust.

The present invention relates to a comprehensive test system for the optical safety and performance of a bulb, comprising: a light integrating sphere, which is a hollow sphere, the inner wall of which is uniformly coated with a diffuse reflection material, a test platform arranged inside the light integrating sphere, a photobiological safety tester arranged near the test platform, a light signal sampling port and an observation port provided on the light integrating sphere, a light signal measuring device arranged outside the light signal sampling port, and an observation device for receiving direct light arranged outside the observation port. Compared with the prior art, the present invention expands the scope of use of the light integrating sphere, and in addition to being able to test parameters such as the lumen value, color rendering index, and color tolerance of a light source, it can also detect the light intensity or energy generated by light of different wavelengths, with a high degree of integration and high test efficiency.

The application provides a kind of optical fiber coupling integrated Rydberg atom coupling laser frequency locking device and method, device includes: probe laser, coupling laser, atom gas chamber filled with alkali metal atom, first fiber collimator, second fiber collimator, third fiber collimator, double color prism, photoelectric detector and proportional-integral-differential PID control circuit. Wherein, between probe laser and first fiber collimator, between coupling laser and second fiber collimator, and between third fiber collimator and photoelectric detector are connected by transmission fiber. In this way, not only can the precision and stability of laser frequency locking be improved. And, by the way of optical fiber coupling, optical integration is realized, i.e. probe laser, coupling laser, optical elements and photoelectric detector are integrated together, which can reduce the volume and weight of Rydberg atom coupling laser frequency locking device, and improve portability and maintainability.

The invention discloses an optical integrated device for a double-axis optical fiber gyroscope and the double-axis optical fiber gyroscope. The optical integrated device comprises a first double-waveguide structure and a second double-waveguide structure, the first double-waveguide structure comprises a first waveguide and a second waveguide; the second double-waveguide structure comprises a third waveguide and a fourth waveguide, the first end of the third waveguide is coupled with the second end of the first waveguide, the second end of the third waveguide is coupled with the first optical fiber ring, the first end of the fourth waveguide is cross-coupled with the second end of the first waveguide, and the second end of the fourth waveguide is coupled with the second optical fiber ring; and the second double-waveguide structure is used for outputting the received TE polarized light from the second end of the third waveguide to the first optical fiber ring, and is used for coupling the received TM polarized light from the first end of the third waveguide into the first end of the fourth waveguide and outputting the TM polarized light from the second end of the fourth waveguide to the second optical fiber ring. By adopting the scheme, the biaxial angular velocity measurement can be realized while the polarization extinction ratio and the light utilization rate are improved.

The utility model relates to the technical field of optical communication, in particular to an EPON (Ethernet Passive Optical Network) optical device shell and system. Comprising a shell body with a cavity, and the shell body is provided with a first light emitting port, a second light emitting port, a light receiving port and a light port end which are communicated with the cavity. The cavity is internally provided with a wave combining unit which is used for combining first input light entering through the first light emitting port and second input light entering through the second light emitting port to the light port end, and a wave combining light beam transmission path is provided with an adjusting unit. And the adjusting unit is used for reflecting the third input light incident through the light port end to the light receiving port. According to the utility model, the wave combining unit is used for combining the first input light and the second input light, and the adjusting unit for reflecting the third input light is arranged on the wave combining light beam transmission path, so that in the process of optical path transmission, the overall size can be shortened, the functions of reducing the size and improving the optical integration degree are realized, the weight is reduced, and the cost is reduced. And small-size packaging is realized.

The application discloses an optical integrated device and a structure optimization method thereof, and relates to the technical field of optical device preparation. The method comprises the following steps: obtaining structure parameters of an optical device structure and transmission performance parameters at each wavelength; determining the corresponding relationship between the wavelength and the influence coefficient based on the different wavelengths and the different influence coefficients, wherein the influence coefficient is positively correlated with the transmission performance parameter of the corresponding wavelength, and the transmission performance parameter is corresponding to the influence coefficient; determining the adjustment range and the change direction of the initial structure parameters according to the influence degree of each influence coefficient and the structure parameter change on the transmission performance at the corresponding wavelength; and updating the initial structure parameters according to the adjustment range and the change direction until the transmission performance response of the adjusted optical device meets the preset condition. The application can solve the problem of the related art that the performance consistency of the passive device in the wideband range is limited, and can realize the gradual realization of the high and uniform transmission performance of the silicon optical device in the whole wide spectrum range.

An electronic device and associated methods are disclosed. In one example, the electronic device includes a photonic integrated circuit and an in situ formed waveguide. In selected examples, the electronic device includes a photonic integrated circuit coupled to an electronic integrated circuit, in a glass layer, where a waveguide is formed in the glass layer.

The invention provides a surface emitting laser chip integrated with a micro lens and a silicon optical integration module. The surface emitting laser chip integrated with the micro lens comprises a substrate; the epitaxial structure is arranged on the substrate, the epitaxial structure comprises a lower distributed Bragg reflector layer, an active region, a photonic crystal layer, a limiting layer and an upper distributed Bragg reflector layer which are stacked in sequence, and the upper distributed Bragg reflector layer is provided with at least one effective light emitting aperture; the epitaxial micro lens layer is a single crystal layer arranged on the upper distributed Bragg reflector layer, an epitaxial layer structure with continuous crystal lattices is arranged between the epitaxial micro lens layer and the upper distributed Bragg reflector layer, and the epitaxial micro lens layer covers at least one effective light emitting aperture; the epitaxial micro-lens layer is made of indium gallium arsenic, and a concave surface microstructure is formed on the surface of one side, far away from the substrate, of the epitaxial micro-lens layer. Through the high refractive index difference of the indium gallium arsenic material relative to the air and the refraction effect of the concave surface microstructure on the light, wavefront phase modulation and energy redistribution can be directly performed on divergent light beams at the light emitting position of the chip, so that a light spot center hot spot is eliminated, and the uniformity of a light field is improved.

The utility model discloses a combiner box structure of a base station stacked parallel system, which comprises a case shell and a case cover, the case cover is rotatably connected with the case shell, and the case cover covers the case shell to form a waterproof closed space. Two guide rails, a first copper bar, a second copper bar, a third copper bar, a fourth copper bar and a grounding copper bar are arranged on a bottom plate in the case shell, and the data acquisition circuit module, the control center module, the electric energy meter, the communication module, the air switch circuit breaker and the emergency stop tripping switch are all arranged on the guide rails. A positive electrode cable of the connected adapter and a positive electrode wiring point of the battery pack are both connected to the first copper bar, a negative electrode cable of the connected adapter is connected with a terminal block of the data acquisition circuit module, a built-in copper bar of the data acquisition circuit module is connected with the second copper bar, the second copper bar is connected with the third copper bar, and the third copper bar is connected with the battery pack. And the third copper bar is connected with the air switch circuit breaker. According to the utility model, cables are prevented from being piled and disordered, and the interior of the box is tidier.

Apparatuses, systems and methods for optical coupling, optical integration, electro-optical coupling, and electro-optical packaging are described herein. Optical couplers may comprise various optical elements (e.g., mirrors as described herein) to relax optical assembly requirements and improve producibility. Optical couplers may improve fiber-to-chip, fiber-to-fiber and chip-to-chip optical connection. Optical couplers and optical components may be used to improve integration of, connection of, and / or packaging of optical systems and / or components with electrical systems and / or components.

The application provides a kind of modulation transfer optical spectrum frequency locking device and method of fiber coupling integration, device includes: laser, optical fiber beam splitter, atom gas chamber filled with alkali metal atom, first fiber collimator, second fiber collimator, third fiber collimator, fiber electro-optic modulator, beam splitting prism, photoelectric detector, DDS signal generator, modulation and demodulation circuit and PID control circuit.Wherein, between laser and optical fiber beam splitter, between optical fiber beam splitter and first fiber collimator, between optical fiber beam splitter and fiber electro-optic modulator, between fiber electro-optic modulator and second fiber collimator, between third fiber collimator and photoelectric detector are connected by transmission fiber.It is realized that optical integration is realized by the way of fiber coupling for optical path, i.e., laser, optical elements and photoelectric detector and other devices are integrated on fiber platform, which reduces the volume and weight of modulation transfer optical spectrum frequency locking device, and improves portability and maintainability.

A semiconductor structure for an optical integrated circuit. The semiconductor structure comprises a waveguide and an active component of an optical integrated circuit. Between the waveguide and the active component, along the axis of light propagation between the waveguide and the active component, is an electrically resistive material. The electrically resistive material has a higher electrical resistivity than the waveguide.

The invention discloses a pair of one-driving-two binocular different-display ultrathin AR glasses based on geometric phase optical integration, which comprises an optical engine module and a waveguide display module, and is characterized in that the optical engine module comprises a display chip and a collimation optical system, and the display area of the display chip is divided into a first sub-image area and a second sub-image area; the waveguide display module comprises a polarization sensitive diffraction coupling element, a first waveguide display lens and a second waveguide display lens, the polarization sensitive diffraction coupling element adopts a geometric phase element, and diffracts and splits a collimation linear polarized light beam into + 1 level and-1 level diffracted light with opposite rotation directions; image information carrying the two sub-image areas is coupled into the corresponding waveguide display lenses, and chiral selective coupling out is achieved through the polarizer holographic grating. The binocular different display function can be achieved only through a single light engine module, the size, weight, power consumption and cost of the system are reduced, and meanwhile the problem that consistency calibration of a left-eye optical system and a right-eye optical system in a double-light-engine scheme is difficult is solved.