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WO/2022/029254A1 |
The invention relates to a diode laser comprising a current shield and, in particular, a diode laser comprising an adapted PNP or NPN structure as a current shield for reducing tunneling probability. The diode laser according to the inve...
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WO/2022/027128A1 |
A method and system for frequency matching a resonant cavity is disclosed. Light is received in a resonant cavity having at least a first mirror and a second mirror defining a path along which light is reflected. At least the second mirr...
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WO/2022/030001A1 |
A module according to the present invention comprises an electrical wiring layer (101), an optical wiring layer (103), an electrical element (106), and an optical element (107). The electrical wiring layer (101) is provided with electric...
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WO/2022/030513A1 |
This light emitting device comprises, for example: a plurality of light emitting elements arranged along a first direction; and a base comprising a plurality of mounting surfaces arranged in the first direction and respectively having th...
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WO/2022/030127A1 |
A semiconductor light emitting device (101) is provided with: a semiconductor light emitting element (100); and a submount (140) having a mounting surface (140m). The semiconductor light emitting element (100) has: a semiconductor lamina...
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WO/2022/021424A1 |
A laser system, comprising a processor (201), a power source (202), a DBR laser (203), an electro-absorption modulated unit (204) and a feedback loop, wherein the processor (201) can adjust, by means of the power source (202), a tuning c...
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WO/2022/021682A1 |
A low-power AlGaInP red light semiconductor laser with double asymmetric waveguide layers and a preparation method therefor. The low-power AlGaInP red light semiconductor laser comprises a GaAs substrate (1), a GaAs buffer layer (2), a l...
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WO/2022/023403A1 |
The present invention relates to a housing, especially a transistor outline (TO) housing, for an electronic component. Further, the invention relates to a socket for a housing, as well as to an assembly for an electronic component compri...
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WO/2022/026992A1 |
Laser Side Mode Suppression Ratio (SMSR) control is provided via a logic controller configured to measure an SMSR of a carrier wave upstream of a modulator and measure an Average Optical Power (AOP) of the carrier wave downstream of the ...
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WO/2022/022481A1 |
A laser projection device and a human eye protection method. A signal detection circuit (20) in the laser projection device is used for detecting a target object, and for sending a detected detection signal to a control circuit (30). The...
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WO/2022/019068A1 |
A semiconductor laser element has a resonator structure including a laminated structure in which a first compound semiconductor layer, an active layer and a second compound semiconductor layer are laminated, and a first light-reflecting ...
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WO/2022/016279A1 |
A laser comprising a narrow linewidth, comprising: a grating along a laser cavity; a laser waveguide having a plurality of waveguide sections corresponding to a plurality of grating sections, each of the plurality of waveguide sections h...
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WO/2022/019054A1 |
A semiconductor laser according to one embodiment of the present disclosure is provided with: a first semiconductor layer of a first conductivity type; an active layer; and a second semiconductor layer of a second conductivity type, whic...
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WO/2022/019079A1 |
A laser light source device (1) comprising: a first light emitting unit (101) that emits first laser light (L1); a second light emitting unit (102) that emits second laser light (L2); an optical element (20) that condenses the first lase...
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WO/2022/019151A1 |
A light emitting device (1) of the present disclosure is provided with a light emitting unit (11), an output unit (42), and drive current supply wires. The light emitting unit (11) has a plurality of light emitting elements disposed in a...
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WO/2022/016753A1 |
Disclosed is an optical processing method for a semiconductor laser stack array, the method comprising: step 1, respectively arranging a pad strip (2) on either side of each of N enclosed bars (6); step 2, blocking the light-emitting sur...
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WO/2022/017188A1 |
A Bragg grating and a preparation method therefor, and a distributed feedback laser. The Bragg grating (100) is arranged in the distributed feedback laser, and comprises: a lower grating waveguide layer (110), a middle grating waveguide ...
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WO/2022/018071A1 |
The invention relates to a method for producing a radiation-emitting semiconductor body, comprising the following steps: providing a growth substrate (1) having a main surface (2); producing a plurality of distributor structures (3) on t...
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WO/2022/020257A1 |
Embodiments are directed to a photonic device that includes a first substrate defining a surface and a trench forming a depression along a portion of the surface, and a second substrate coupled with the surface and extending from the sur...
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WO/2022/017905A1 |
In one embodiment, the optoelectronic semiconductor component (1) comprises at least one optoelectronic semiconductor chip (2) for generating radiation (R) and a housing (3), in which the at least one optoelectronic semiconductor chip (2...
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WO/2022/019188A1 |
[Problem] To prevent defects when joining a first pad on a first substrate that outputs a drive signal that drives a light-emitting element, to a second pad on a second substrate having the light-emitting element. [Solution] The light-em...
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WO/2022/014411A1 |
This substrate for a light-emitting element comprises: a base body having a first surface and a second surface opposing each other and a through-hole extending from the first surface to the second surface; and a heat dissipator filled in...
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WO/2022/014363A1 |
Provided is an opto-electric hybrid substrate (30) for an optical communication module, wherein: on a first surface side of an insulating layer (31) is provided an electric circuit part E having a pad (34a) that is for mounting of an opt...
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WO/2022/011910A1 |
A semiconductor laser for implementing fundamental horizontal transverse mode excitation, and a manufacturing method therefor. The semiconductor laser comprises an N-side electrode, a substrate (10), a buffer layer (8), an N-type confine...
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WO/2022/015085A1 |
The present invention relates to a technique for efficiently realizing a micro-laser, which is an essential light source of an optical integrated circuit, by using a transfer printing technique. In the present invention, a laser can be r...
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WO/2022/013409A1 |
The present invention relates to a single photon source, comprising: a microcavity arranged between a concave first mirror and a semiconductor heterostructure forming a planar second mirror, wherein the microcavity supports an optical mo...
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WO/2022/012082A1 |
A light source module (20) for a laser radar. The light source module comprises: a driver chip (21) and a laser unit (22), wherein the laser unit (22) is stacked on the driver chip (21), and is electrically connected to the driver chip (...
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WO/2022/013779A1 |
An interface device for performing off-chip coupling in optical waveguides includes an optical waveguide core for propagating light of a particular wavelength or a plurality of wavelengths and an array of radiative elements configured to...
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WO/2022/013063A2 |
The invention relates to an optoelectronic semiconductor component (10) comprising a semiconductor layer stack (109), in which a surface-emitting laser diode is formed. The semiconductor layer stack (109) has a first aperture diaphragm (...
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WO/2022/014343A1 |
The present invention comprises: a first semiconductor layer formed by embedding, in a formation region in a plane parallel to the photonic crystal layer, a photonic crystal layer having holes arranged with two-dimensional periodicity; a...
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WO/2022/012859A1 |
The invention relates to a component (1). The component (1) comprises a connection support (2) having a chip connection point (3), a reflector frame (4), the reflector frame (4) laterally enclosing the chip connection point (3), and a se...
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WO/2022/012988A1 |
The invention relates to a radiation-emitting semiconductor chip (31) having the following features: - a semiconductor body (1) comprising an active region (2) which, during operation, generates electromagnetic radiation and is arranged ...
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WO/2022/013780A1 |
An antenna device for performing off-chip light coupling comprising an array of radiating elements whose thickness is larger than λ/2, the radiating elements being chosen such that the length of the array is smaller than 10 λ, where λ...
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WO/2022/015844A1 |
In part, in one aspect, the disclosure relates to a system including a photonic integrated circuit (PIC) assembly, comprising a PIC comprising: a first bond pad disposed inward from an edge of the PIC a first distance; and a first wire h...
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WO/2022/013215A1 |
The invention relates to a method for producing a component, comprising the steps of: providing a connection carrier (2); and producing a housing body (4) on at least a part of the connection carrier (2) by means of a 3D printing method....
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WO/2022/008565A1 |
The invention relates to a laser device (100) which comprises at least one laser diode (1) having an emission surface (11) via which the laser diode can emit laser light (10) during operation, and a screening element (2) having an entry ...
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WO/2022/010597A1 |
A depth camera assembly, DCA, determines depth information for a local area. The DCA includes a camera assembly and at least one illuminator comprising an array of VCSELs. The DCA may select a subset of the VCSELs to provide illumination...
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WO/2022/008563A1 |
An optoelectronic device. The optoelectronic device comprising: a plurality of waveguide ridges provided in an array, each waveguide ridge extending away from a semiconductor bed; a plurality of upper contacts, each electrically connecte...
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WO/2022/008409A1 |
The invention provides a light generating device (1000) comprising (i) n laser light sources (10), (ii) focusing optics (20), and (iii) a luminescent body (200), wherein: (A) the n laser light sources (10) are configured to generate lase...
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WO/2022/004146A1 |
The purpose of the present invention is to provide a vertical resonator-type surface emitting laser element which can inhibit dislocation nucleation in a semiconductor layer constituting a reflecting mirror comprising a semiconductor mul...
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WO/2022/006385A2 |
Active bias circuits for integrated devices are described. In one example, an active bias circuit includes a voltage control element to establish a control voltage, an active bias device to provide a power bias responsive to the control ...
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WO/2022/003925A1 |
This optical transmitter [AXEL(100C)], in which the quality of an optical signal waveform is maintained, comprises a distributed Bragg reflector (4) in a manner such that the distributed Bragg reflector (4) is coupled to an exit end surf...
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WO/2022/005390A1 |
Provided is a method for use in manufacturing an optical emitter arrangement for use, in particular through not exclusively, in projectors or illuminators such as flood illuminators for mobile electronic devices. The method solves, with ...
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WO/2022/004574A1 |
This package for a housing an electronic element comprises a base constituted from resin, and a lead frame in which one part is positioned within the base, and the other part is exposed from the base. The base has a recess that includes ...
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WO/2022/002777A1 |
The disclosure relates in one aspect to a semiconductor membrane laser chip (500) comprising: - a planar-shaped lasing medium (510) comprising an upper surface (511a) and comprising a lower surface (511b) opposite to the upper surface (5...
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WO/2022/004772A1 |
Disclosed is an optical module comprising: an electric circuit board (E) having an electric circuit provided on a light-transmissive resin substrate (1); and an optical element (11) joined on the electric circuit board (E). The optical m...
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WO/2022/002785A1 |
A light source formed from semiconductor and comprising a stack of quantum wells supported by a substrate and configured to emit light at a plurality of wavelengths. The light source further comprises a first optical pump provided at one...
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WO/2022/003669A1 |
Multi-Channels coherent beam combining (CBC) using a mechanism for phase and/or polarization locking that uses a reference optical beam and an array of optical detectors each detector being configured and located to detect overall intens...
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WO/2022/001061A1 |
A laser, comprising: a pump light generation module, a laser light output module, a light power measurement module, and an alarming module. The pump light generation module is used for outputting pump light; an input end of the laser lig...
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WO/2022/006345A1 |
A light detection and ranging (LIDAR) device includes a laser assembly tier and a photonic integrated circuit (PIC) tier. The laser assembly tier includes a laser configured to emit laser light. The PIC tier includes a semiconductor opti...
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