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WO/2023/013162A1 |
This invention enhances protection when there is a light source abnormality. This light source drive device comprises an emission unit, a light reception unit, an abnormality detection unit, a light source control unit, and an emission c...
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WO/2023/012925A1 |
A semiconductor optical device (10) according to the present invention is provided with a plurality of waveguide structures (13_1, 13_2) on a second lower cladding layer (12) on a same substrate (11); the waveguide structures (13_1, 13_2...
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WO/2023/011699A1 |
Communications network optical apparatus (100) comprising an optical module (120) and a controller (140). The optical module (120) comprises optical modulators (122), internal lasers (124) to generate internal optical signals, an input p...
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WO/2023/013348A1 |
This optical module comprises: a substrate; an optical element; an optical coupling module; and an adhesive. The substrate has a glass cloth therein. The optical element is mounted on the substrate. The optical coupling module is configu...
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WO/2023/014647A1 |
Various embodiments set forth a laser light source that includes: a substrate with a planar surface; a first laser die that is mounted on the planar surface, has a first thickness in a direction perpendicular to the planar surface, and i...
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WO/2023/004571A1 |
Disclosed in the present invention is a semiconductor laser diode driving power source system in the technical field of semiconductor laser diode driving. The system comprises a single chip microcomputer control module, wherein a transmi...
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WO/2023/007837A1 |
The nitride semiconductor light-emitting element comprises a substrate for which the (0001) plane is the stacking surface, an n-type semiconductor layer, an active layer, a p-type semiconductor layer, and a contact layer in the indicated...
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WO/2023/008458A1 |
This semiconductor device manufacturing method comprises: a step for preparing a main substrate, a base semiconductor part formed above the main substrate, and a compound semiconductor part formed on the base semiconductor part; and a st...
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WO/2023/006577A1 |
The invention relates to a radiation-emitting semiconductor body (1), having - a first semiconductor region (2) of a first doping type, which has a first material composition, - a second semiconductor region (3) of a second doping type, ...
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WO/2023/007274A1 |
A surface emitting laser includes: an active layer; multiple reflectors with the active layer therebetween; a multi-quantum well structure including multiple semiconductor layers; a first electrode pair connected to a first power supply ...
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WO/2023/005217A1 |
A multilayer structure packaging ceramic for a 5G optical communication module and a preparation method therefor. The multilayer structure packaging ceramic comprises at least four layers of ceramic blocks which are superimposed, wherein...
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WO/2023/004579A1 |
The present invention relates to an LED epitaxial structure 100. The LED epitaxial structure 100 comprises: an n-type confinement layer 20, an n-type waveguide layer 30, a light-emitting layer 40, a p-type waveguide layer 50, and a p-typ...
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WO/2023/009497A1 |
A photonic system is described that employs, in some examples, a pair of ultra-low noise semiconductor lasers that produce a low noise electrical signal at the output of a photodetector at a remote location with a frequency set by a freq...
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WO/2023/007572A1 |
Provided is a light source driving device (20) that drives a plurality of light-emitting element groups in a light source device that outputs composite light obtained by combining the light emitted by the light-emitting element groups, w...
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WO/2023/007753A1 |
This visible light modulation element (1000) is provided with: a light source unit (100) which comprises a plurality of optical semiconductor elements (30-1, 30-2, 30-3) each emit light that has a visible light wavelength of 400 nm to 70...
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WO/2023/009198A1 |
A new class of passive modulators is described herein which can be manufactured using a standard CMOS or any other IC design technology. The proposed mm-wave modulator exhibits both phase and amplitude modulation, which can be combined t...
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WO/2023/008038A1 |
A plurality of recesses (15) are formed in a facing surface of a first block (10), said facing surface facing a second block (20). The recesses (15) are formed in a different region from a region where a laser element (40) is positioned,...
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WO/2023/006569A1 |
The invention relates to an arrangement, comprising - an optoelectronic component (1) having a radiation passage surface (2) and a housing top surface (3) which surrounds the radiation passage surface (2) in lateral directions (4) at lea...
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WO/2023/007263A1 |
A surface emitting includes: an active layer; multiple reflectors facing each other with the active layer therebetween; and an electrode pair coupled to a power supply device and configured to inject current into the active layer. The su...
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WO/2023/009324A1 |
A laser assembly (10) for generating an output beam (12) includes: (i) a first laser (16) that generates a first laser beam (16A) having a first polarization state; (ii) a second laser (20) that generates a second laser beam (20A); (iii)...
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WO/2023/002689A1 |
A light source device according to one aspect of the present disclosure comprises a first light source unit that emits a first laser light for drawing, and a second light source unit that emits a second laser light for monitoring, provid...
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WO/2023/000839A1 |
Embodiments of the present application disclose a light emitting assembly, a packaging method therefor, and a related device, for use in reducing manufacturing difficulty and precision requirements for production equipment, and improving...
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WO/2023/000430A1 |
A gain coupling distributed feedback semiconductor laser and a manufacturing method therefor. The manufacturing method comprises: obtaining a lower structural body of a laser, wherein the lower structural body of the laser comprises a su...
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WO/2023/002672A1 |
A vertical resonator-type surface light emission laser element according to the present invention includes a semiconductor layer, a substrate, a first mirror, and a second mirror. The semiconductor layer includes an active layer made of ...
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WO/2023/003740A1 |
A three-dimensional printing system includes a motorized build platform, a material coating module, and a beam generation module. The beam generation module includes a laser beam formation unit, a scan module, and flat field focusing sys...
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WO/2023/283769A1 |
A laser beam combining device (100) and a combined step mirror (20) thereof. The laser beam combining device (100) comprises a two-dimensional light-emitting array (10) and a combined step mirror (20); the combined step mirror (20) is us...
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WO/2023/284400A1 |
The present disclosure relates to an external-cavity laser and a tuning method therefor. The external-cavity laser comprises: a gain chip and a tunable reflecting mirror. The tunable reflecting mirror comprises: a main waveguide, a beam ...
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WO/2023/285059A1 |
The invention relates to a method for producing a plurality of surface-emitting semiconductor laser diodes, comprising the following steps: - providing a growth substrate (1), - applying a mask layer (2) with a plurality of openings (21)...
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WO/2023/286362A1 |
This light source device according to one embodiment is provided with a light waveguide in which a diffraction grating is disposed; a light source part that emits laser light the light central axis of which is inclined with respect to th...
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WO/2023/285676A1 |
The invention relates to a light-emitting component (1) comprising at least one light-emitting semiconductor element (4) which is arranged on a carrier (3) and is at least partially surrounded by a cap (9) with a light exit surface (10),...
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WO/2023/284880A1 |
A laser (100), comprising a base plate (111), a frame (112), a plurality of light-emitting chips (120), and a first conductive layer (113). The frame (112) is located on the base plate (111). The plurality of light-emitting chips (120) a...
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WO/2023/287954A1 |
In various embodiments, multiple laser emitters are arranged in one or more linear stacks and emit beams to one or more linear stacks of interleaving mirrors. The interleaving mirrors direct the beams to a shared exit point, thereby form...
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WO/2023/284369A1 |
An optical transmitter (10), a depth module (100) and a terminal (1000). The optical transmitter (10) comprises a first substrate (11), a light-emitting module (12) and a driving module (13). The first substrate (11) comprises a first si...
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WO/2023/279469A1 |
A vertical-cavity surface-emitting laser, comprising: a substrate (10), the surface of which comprises m rows×n columns light-emitting regions (10A) arranged in an array and a non-light-emitting region (10B) surrounding the light-emitti...
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WO/2023/282750A1 |
A laser diode arrangement is provided that comprises a laser diode, a driver (EPS) to provide an AC-electric power to the laser diode, a first feedback component (FB1) and a second feedback component (FB2). The first feedback component (...
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WO/2023/281902A1 |
This nitride semiconductor light emitting element (100) is provided with a semiconductor multilayer body (100S); and the semiconductor multilayer body (100S) comprises an N-type first cladding layer (102), an N-side guide layer (104), an...
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WO/2023/281848A1 |
Provided is a semiconductor laser element that suppresses the chipping of edges and formation of steps on an ITO layer on a front end surface or rear end surface or a semiconductor part in contact with the ITO layer during wafer cleaving...
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WO/2023/281785A1 |
Provided are a vertical surface-emitting semiconductor laser and a method for manufacturing a surface-emitting laser with which warping of a substrate, in particular a GaAs substrate, can be suppressed, and with which yield and element c...
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WO/2023/280662A2 |
The invention relates to a surface-emitting semiconductor laser (10), comprising a first semiconductor layer (110) of a first conductivity type, the first semiconductor layer (110) being structured forming a mesa (123), an active zone (1...
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WO/2023/281513A1 |
A correction optical element (COE) for a multi-channeled coherent beam combining (CBC) system that uses a fiber array comprising multiple optical fibers and a single collimation array comprising multiple collimating lenses, for coherent ...
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WO/2023/281741A1 |
A semiconductor optical element according to the present disclosure comprises: a ridge structure (10) that includes a cladding layer (11) of a first conductivity type and an active layer (12) and is provided on a semiconductor substrate ...
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WO/2023/282317A1 |
An electronic component storage package (100) comprises: a base (10) having a mounting section (11) for an electronic component (80); and a lid (20) covering the mounting section (11). The base (10) is formed from a ceramic. The lid (20)...
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WO/2023/281603A1 |
Provided are an optical transmitter and an optical modulation module that are capable of improving a signal path between the optical modulation module and a substrate, that prevents degradation of a modulated signal, and that have a wide...
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WO/2023/276833A1 |
A nitride semiconductor light-emitting element (10) comprises: a nitride semiconductor (100) that has two resonator surfaces (160, 161) facing each other; and a dielectric multilayer film layered on at least one of the two resonator surf...
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WO/2023/276909A1 |
Provided is a semiconductor laser element having a periodic structure in which a threshold current is reduced. A semiconductor laser element comprising a nitride semiconductor stack having an optical waveguide, the nitride semiconductor ...
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WO/2023/276624A1 |
The light-emitting body comprises: a base semiconductor part that contains a nitride semiconductor; a compound semiconductor part that contains a nitride semiconductor and that is located above the base semiconductor part; and a first el...
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WO/2023/273565A1 |
A frequency-tunable semiconductor laser, for use in providing a laser which has low coupling difficulty and can satisfy fast frequency modulation, narrow linewidth and high power at the same time. The laser comprises a first reflective s...
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WO/2023/274848A2 |
The invention relates to a method for producing a semiconductor component for emitting light, comprising a base body which has an active layer for generating light and a tunnel contact delimited by a screen structure, wherein the screen ...
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WO/2023/275913A1 |
An optical semiconductor device (100) comprising: a semiconductor laser (21) mounted on a base section (103) of a package (110); a reception unit (10) that receives a signal light (24) from outside, using local light source light (26) ou...
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WO/2023/273585A1 |
A modulator-possessing laser (600) and an optical module (200), the modulator-possessing laser (600) comprising: a body (610) and an optical waveguide (620), the optical waveguide (620) being arranged on the body (610); the optical waveg...
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