30 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.

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 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.

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 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 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.

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.

The invention relates to an optical integration device, an optical transmission device and an optical transceiver. The optical integrated device includes a first chip having a step portion and a second chip mounted on the step portion and optically connected to the first chip. The first chip includes an optical waveguide including a material having a higher electro-optical effect than a material of the second chip. The optical integration device includes a first inclined surface formed on a wall surface on a side where the optical waveguide and the second chip are optically connected in the step portion, and a second inclined surface formed on an end surface of the second chip on a side where the second chip is mounted in the step portion, and a second contact member which is abutted against the first inclined surface in a manner of facing the first inclined surface.

The invention provides a silicon optical integrated chip optical module comprising a golden finger electrical interface circuit used for receiving a to-be-modulated electrical signal sent by an external device; the digital signal processor is used for carrying out coding, equalization and clock recovery processing on the received electric signal to be modulated and outputting a modulation driving signal; a silicon optical integrated chip in which a laser and a Mach-Zehnder modulator are heterogeneously integrated and which is used for converting the modulation driving signal into an optical modulation signal; the microcontroller is used for monitoring working parameters of the laser and the Mach-Zehnder modulator and performing closed-loop control on the laser and the Mach-Zehnder modulator based on a monitoring result; and the optical fiber interface is coupled with an optical path of the optical output end of the silicon optical integrated chip and is used for outputting the optical modulation signal. According to the invention, the laser and the modulator are heterogeneously integrated through a silicon optical integration technology, and high-speed and high-reliability optical signal modulation is realized in combination with the signal processing capability of the DSP and the intelligent control of the MCU.

The invention discloses a spatial light detection receiving module which comprises a light splitting assembly, an imaging assembly and a sensing assembly. The light splitting assembly completes light splitting of the received spatial light beam, and the light beam enters the imaging assembly and then is imaged to the sensing assembly; each branch of the imaging assembly is presented at the corresponding detector unit; the sensing assembly realizes photoelectric conversion of each branch light for multi-light-path detection; according to the imaging assembly, a multi-branch lens is integrated through tiny optics, and angle and displacement control is achieved. The imaging assembly comprises a plurality of lenses, the lenses share one supporting structure, the supporting structure is provided with positioning grooves, each optical channel corresponds to one positioning groove, the positioning grooves are V-shaped, the lenses can move back and forth along the positioning grooves, and the distance between the lenses and the sensing assembly is adjusted; the light splitting assembly adopts micro optical integration and high-precision optical processing to ensure the angles of three spectroscopes; the sensing assembly is used for finely controlling the multifunctional detector by adopting a chip process.

The invention relates to a binary optical lens for optical fiber coupling and a manufacturing method, and relates to the field of optical communication and optical interconnection.The binary optical lens is equally divided into four lens areas in the circumferential direction, two oppositely-arranged lens areas are provided with first embossment structures of the same structure, and the first embossment structures are provided with second embossment structures of the same structure; the other two oppositely-arranged lens areas are provided with second embossment structures of the same structure, the first embossment structures are used for being matched with a slow axis of a laser in a coupling mode, the second embossment structures are used for being matched with a fast axis of the laser in a coupling mode, and the center of the binary optical lens is provided with a platform structure for connecting the first embossment structures and the second embossment structures. The beneficial effects are that the binary optical lens is designed and processed for the fast and slow axes of the semiconductor laser, and the coupling efficiency is improved. And the volume of the coupling system is reduced, and application occasions such as silicon optical integration sensitive to space volume requirements are facilitated. The tolerance is increased, the coupling process difficulty is reduced, and the long-term reliability is also improved.

The invention discloses a high-precision RGB edge-emitting laser lamp group module, and relates to the technical field of optoelectronic packaging, the high-precision RGB edge-emitting laser lamp group module comprises a copper substrate, the top of the copper substrate is fixedly connected with a chip bracket, the top of the chip bracket is fixedly connected with a plurality of T-table-shaped silicon prisms, the top of the chip bracket is fixedly connected with an edge-emitting laser chip assembly, and the edge-emitting laser chip assembly is fixedly connected with a plurality of T-table-shaped silicon prisms. The top of the copper substrate is provided with a glass light window, the bottom of the glass light window is coated with a metal plating layer, and the device effectively improves the light path precision, the structure stability, the packaging reliability and the thermal management performance of the edge-emitting laser chip assembly through the structure integrated design, the optical integration optimization and the full-inorganic packaging technology; and meanwhile, the automatic assembly efficiency is remarkably improved, the manufacturing cost is reduced, and the device is particularly suitable for scenes with high requirements on precision and reliability in high-resolution display, complex environment illumination and laser systems.

The utility model discloses an optical integrated device for a double-camera code scanning engine, which is arranged in the double-camera code scanning engine and comprises a laser transmitter, a lamp bead circuit board and a slide placing plate which are sequentially arranged from bottom to top, a long-distance light supplementing lamp bead and a short-distance light supplementing lamp bead are integrally arranged on the two sides of the lamp bead circuit board respectively, a semicircular laser emitting notch is formed in the lamp bead circuit board, and the laser emitting notch is located under the laser emitter; a long-distance glass slide and a short-distance glass slide are embedded in the two sides of the glass slide containing plate respectively, the long-distance glass slide is located over the long-distance light supplementing lamp bead, the short-distance glass slide is located over the short-distance light supplementing lamp bead, a laser lens is embedded in the middle of the glass slide containing plate, and the laser lens is located above the laser transmitter. According to the utility model, the integration level of the optical integration device is improved, and the occupied volume in the double-camera code scanning engine is reduced.

A method and assembly for forming a photonic integrated circuit (PIC) with epoxy-free hybrid bonding of optical and electronic components may be provided. The method may include providing a silicon wafer with a buried oxide layer, silicon waveguide, and backend metal layers, forming an opening to expose a nitride waveguide facet, and hybrid bonding a lower body reflector (LBR) within the opening. A handle silicon wafer may be attached, and a conformal oxide layer may be deposited and planarized. Through-dielectric vias (TDVs) or through-silicon vias (TSVs) may be formed for vertical electrical connectivity. An electronic integrated circuit (EIC) may be hybrid bonded over the oxide layer. The resulting PIC assembly may include the LBR and EIC bonded without epoxy, providing robust optical alignment, electrical interfacing, and thermal stability. The assembly may minimize air gaps to ensure optical continuity and may incorporate TDVs or TSVs for enhanced electrical integration.

The invention discloses a control method of an illumination lighting system. The illumination lighting system comprises a light source module, a lens module and a controller. The method comprises the specific operation steps that the controller detects the current focal length of the lens module and adjusts the size of light beams emitted by the light source module according to the focal length. The size of the emitted light beam is adjusted by changing the focal length of the lens module so as to reduce light loss and energy consumption, that is, the focal length is adjusted by changing the position of the zoom lens assembly in the lens module, and the light emitting area of the light emitting array is controlled through the position of the zoom lens assembly, so that the size of the light beam is matched with that of the zoom lens assembly, the light loss is reduced, and the light emitting efficiency is improved. The energy consumption of the light source module is reduced; a dimming channel and an optical integration channel are arranged on two integration elements on the optical integration assembly, so that a high-beam light beam can penetrate through the dimming channel, and the high-beam characteristic is reserved to the maximum extent; most of low-beam beams can pass through an optical integration channel, and the uniformity of low beams is guaranteed.

A distributed acoustic sensing system based on an optical neural network and an all-optical integration method are provided. The distributed acoustic sensing system based on an optical neural network includes: a distributed acoustic sensing (DAS) optical path integrated part, an external connection part, and an integrated signal processing chip. The provided combines an integrated optical delay line, a tri-port analogous detection structure and a pure optical neural network module to achieve all-optical integration of the DAS sensing system and signal processing by a pure optical method, which has the advantages of reducing photoelectric conversion, enhancing parallel processing capabilities, increasing processing speed, reducing energy consumption, improving system stability, and simplifying system architecture.

This invention relates to the field of wafer dicing technology, and more particularly to a method and system for controlling edge chipping in gallium nitride (GaN) wafers. The method includes: simultaneously generating a pre-processing structure comprising a vaporized core layer and an annular thermal boundary layer in the wafer dicing area using a coaxial dual-focus laser system; controlling an optically integrated single-blade dicing pre-processing structure integrating a microlens array and a 45° reflector, while simultaneously guiding an auxiliary laser to the dicing front edge for real-time material softening based on the 45° reflector; calculating the crack propagation value based on the dynamic thermal field distribution in the dicing area using the thermal diffusion equation; performing micro-shaping on the dicing front edge when the value is >0.25 mm; and dynamically adjusting the pulse energy spatial ratio of the laser system based on the micro-shaping feedback until the dicing operation is completed. This invention effectively solves the problem of uncontrollable cross-grain boundary edge chipping size in traditional laser dual-blade dicing of gallium nitride wafers due to anisotropic thermodynamic response differences.

The present invention relates to the technical fields of optical fiber sensing and artificial intelligence. Disclosed are an optical neural network-based distributed acoustic sensing (DAS) system, and an all-optical integration method. The DAS system comprises: an integrated DAS optical path portion, an external connection portion, and an integrated signal processing chip. The present invention combines an integrated optical delay line, a three-port-like detection structure, a pure-optical neural network module and the like to realize all-optical integration of the DAS system and signal processing in a pure-optical method, and has the advantages of reducing photoelectric conversion, enhancing a parallel processing capability, increasing processing speed, lowering energy consumption, improving system stability, and simplifying the system architecture, etc.

The invention provides an optical integration device and an optical time domain reflectometer. The optical integration device comprises a packaging shell, a first collimator, a light splitting device, a circulator assembly and a second collimator. The light splitting device is arranged close to the first collimator and used for reflecting part of the detection light from the first tail fiber to the third tail fiber, and the other part of the detection light penetrates through the light splitting device. The circulator assembly is arranged close to the light splitting device, and the circulator assembly is used for coupling the detection light penetrating through the light splitting device to the second tail fiber and then coupling the detection light from the second tail fiber to the third tail fiber. According to the optical integration device, the light splitting device and the ring device are integrated and packaged in the packaging shell, so that the number of parts of the optical time domain reflectometer and the number of fiber welding contacts can be reduced, the space can be saved, and the performance can be improved.

The invention provides an optical integrated device, a lamp polarization control method and a lamp. The optical integrated device comprises a shell, a focusing assembly and a polarization steering assembly, wherein the focusing assembly and the polarization steering assembly are assembled in the shell; the focusing assembly and the polarized light steering assembly are sequentially arranged in the light emitting direction of the light source module, and the polarized light steering assembly is configured to rotate around the axial direction of the shell under the driving action of the second driving mechanism. Compared with the prior art, the optical integration device integrates the light focusing function, the polarization function and the steering function, the functions are more comprehensive, function adjustment can be achieved through electric control, and stability is good.

The application discloses a kind of polarization-phase-momentum three-domain collaborative representation metasurface test systems and methods, belong to metasurface characterization technical field.System includes light source module, polarization state adjusting unit, sample stage, fourier optical integration module, polarization resolution unit, time-domain heterodyne interference module, signal acquisition module and data processing module.Method includes: to metasurface sample emits wide spectral linear polarization probe light, adjusts polarization direction and sample resonance polarization direction match;Convert scattered light into momentum space optical signal, obtain momentum space signal of different polarization directions by polarization resolution unit;Phase information is demodulated by time-domain heterodyne interference technology;Synchronously acquire signal and convert into digital signal;Three-domain information of momentum distribution, polarization state parameter and phase distribution is extracted by data processing module, correlation model is established, and collaborative representation is completed.The application realizes the synchronous extraction of metasurface polarization, phase, momentum three-domain information, and the characterization dimension is full and efficient.