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WO/2023/178126A1 |
A tunable or swept laser architecture that is appropriate for swept source optical coherence tomography and other applications including spectroscopy employing a cat's-eye configuration with a preferably transmissive tilt tuned interfere...
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WO/2023/174669A1 |
A laser diode component (1) is described comprising a semiconductor layer stack (2) comprising - an active zone (4) for emitting laser radiation, - a radiation exit surface (7), where at least a part of the laser radiation exits the semi...
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WO/2023/174909A1 |
The invention relates to a laser source (1) for emitting multispectral light radiation (RLM) having a plurality of spectral lines separated by a determined spectral interval. The laser source (1) comprises a bank of tunable lasers (B), a...
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WO/2023/178275A1 |
The techniques described herein relate to a laser system, including: a plurality of fiber laser amplifiers; a beam combiner configured to combine laser light outputs from the plurality of fiber laser amplifiers; an optical delivery fiber...
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WO/2023/174573A1 |
A vertical emission cascade laser (10) comprising an in-plane waveguide formed by a lower cladding layer (14), active region layers (15) and an upper cladding layer (16). A disk-shaped side surface (33) laterally bounds the in-plane wave...
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WO/2023/175482A1 |
A surface emitting laser includes: a first reflector; a second reflector; a resonator between the first reflector and the second reflector, the resonator including an active layer; and a conductive layer. The resonator further includes: ...
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WO/2023/174717A1 |
The invention relates to a semiconductor component (10) for emitting light, comprising a main element (14) which has an emission region (18) for the light, the emission region being assigned a first mirror portion, a second mirror portio...
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WO/2023/174590A1 |
The invention relates to a photonic system (S) comprising a laser source (1) capable of emitting at least one multispectral light radiation. The photonic system comprises a photonic component (MRA1, MRA2) having a plurality of tunable op...
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WO/2023/174715A1 |
A method for providing a calibration number for optimizing an evaluation of a detection signal obtained from a self-mixing interference of a VCSEL (12) is proposed, including the steps of: – measuring (26) a threshold current at which ...
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WO/2022/226508A9 |
Provided are systems and methods for high-dimensional phase-locked microlaser arrays. In embodiments, systems and methods can comprise a main array of light sources resonating in a plurality of energy levels, including a fundamental mode...
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WO/2023/176308A1 |
The present invention, for example, increases the effective emission area of a light-emitting unit as much as possible. In this light-emitting device, a unit structure is formed of a plurality of light emission units. Each of the light...
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WO/2023/175827A1 |
The present invention comprises: a step for forming, on a semiconductor substrate (12), a first insulating film (20) having a first opening (20a); a step for forming, on the first insulating film (20), a first resist (24) having a second...
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WO/2023/176674A1 |
Provided are: a method for manufacturing a nitride semiconductor light-emitting element having good quality; and a nitride semiconductor light-emitting element having good quality. The method for manufacturing a nitride semiconductor l...
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WO/2023/171148A1 |
Provided is a surface-emitting laser capable of suppressing positional deviation between the center of a current constricting region and the center of a lens-shaped part in a plan view. The surface-emitting laser according to the prese...
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WO/2023/171629A1 |
A semiconductor light emitting element 1 comprises a semiconductor lamination 20, an electrode 16, and an electrode 17. The semiconductor lamination 20 includes an active layer 12 and a phase modulation layer 15. The phase modulation lay...
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WO/2023/171150A1 |
The purpose of the present invention is to provide a vertical resonator surface emission laser in which the optical output can be improved without increasing the operating voltage. The present invention provides a vertical resonator su...
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WO/2023/171450A1 |
In a second step, a function 213 of a real space after an amplitude distribution 211 is replaced with a target amplitude distribution 214 is converted into a function 223 of a wave number space including an amplitude distribution 221 and...
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WO/2023/172515A1 |
The system includes an optical resonator, a mount, and a fastener. The optical resonator is comprised of a material with a horizontal plane symmetry. The optical resonator includes a horizontal plane protrusion for mounting. The horizont...
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WO/2023/169739A1 |
The invention relates to a laser assembly (10). The laser assembly comprises an electrically contactable first waveguide layer (30), which has a first conductivity type, and a second waveguide layer (40), which has a second conductivity ...
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WO/2023/170188A2 |
A device includes a multiple-wavelength (e.g., dual wavelength) vertical-cavity surface-emitting laser (VCSEL) array including a first VCSEL set including one or more first VCSEL to emit first VCSEL radiation at a first wavelength, and a...
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WO/2023/170489A1 |
A surface-emitting laser device includes: a first reflector; a second reflector; and a resonator region between the first reflector and the second reflector. The resonator region includes: multiple active layers each having first crystal...
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WO/2023/170471A1 |
This invention concerns the design of an optical frequency comb, i.e. a laser whose spectrum consists of a series of discrete, equally spaced frequency lines, based on a quantum cascade laser (QCL), in particular to a waveguide design wh...
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WO/2023/168785A1 |
A nano Bessel laser beam emitter and a method for manufacturing the same. The nano Bessel laser beam emitter includes a first Bragg reflecting layer (100), a light-emitting layer (200) and a second Bragg reflecting layer (300), where the...
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WO/2023/165107A1 |
A laser radar, and a driving circuit and driving method therefor. The driving circuit comprises: a switch control unit, which is used for selectively controlling a light-emitting apparatus to emit light and to stop emitting light; a firs...
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WO/2023/164810A1 |
A laser emitter (10), a laser distance measurement device, a lidar, and a mobile platform. The laser emitter (10) comprises: a circuit board (13); a cover body (11), which is provided on a first surface of the circuit board (13) and form...
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WO/2023/166383A1 |
A pulsed laser diode driver includes a refresh circuit configured to generate a refresh current using a received input voltage. A current amplitude of the refresh current is controlled by the refresh circuit based on a voltage level of a...
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WO/2023/167076A1 |
[Problem] The purpose of the present invention is to provide a vertical cavity light emitting element which has high luminous efficiency and high output, and is capable of stably emitting light in a single mode. [Solution] A vertical cav...
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WO/2023/166545A1 |
A semiconductor element (100) of the present disclosure comprises: a semiconductor substrate (115); a first semiconductor layer (114) formed on the semiconductor substrate (115); an insulation film (113) formed on the first semiconductor...
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WO/2023/165693A1 |
An optical amplification device includes a semiconductor optical amplifier having an input path and an output path. The input path includes a first optical device and the output path includes a second optical device. At least one of the ...
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WO/2023/165072A1 |
A highly reliable low defect semiconductor light-emitting device and a preparation method therefor. The highly reliable low defect semiconductor light-emitting device comprises: a semiconductor substrate layer (100); an active layer (130...
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WO/2023/160865A1 |
The invention relates to an edge-emitting semiconductor laser diode comprising: - a substrate (1) having a first main face (6) and a second main face (7) opposite the first main face (6), - an epitaxial semiconductor layer stack (2) on t...
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WO/2023/163224A1 |
This optical receptacle comprises: a first optical surface (121) for allowing the entry of light emitted from a light-emitting element (113); a second optical surface (122) for allowing the light which has entered at the first optical su...
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WO/2023/163649A1 |
Various embodiments may relate to a laser device. The laser device may include a lattice structure defining a first laser cavity and a second laser cavity. The first laser cavity may be optically coupled to the second laser cavity via an...
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WO/2023/162839A1 |
In order to improve the luminous efficiency of an ultraviolet light-emitting element, ultraviolet light-emitting elements 100, 200 according to an embodiment of the present disclosure contain an AlGaN crystal or an InAlGaN crystal, and c...
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WO/2023/162929A1 |
A semiconductor laser element (10) is provided with: a first semiconductor layer of a first conductivity type; an active layer (23) that is arranged above the first semiconductor layer; a second semiconductor layer of a second conductivi...
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WO/2023/163890A1 |
Discretely tunable laser systems include a continuously tunable laser for outputting a beam tunable among selectable frequencies, the selectable frequencies are separated in frequency by discrete frequency intervals, the discrete frequen...
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WO/2023/163230A1 |
Provided is a laser diode that relates to the reduction of an oscillating threshold current. The laser diode comprises a nitride semiconductor substrate containing Al, and a semiconductor layering part disposed on the nitride semiconduct...
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WO/2023/160774A1 |
A dummy light module comprising a dual semiconductor optical amplifier, SOA, light source configured to emit two substantially identical light emissions, where each light emission has a first polarization, a polarization rotator to rotat...
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WO/2023/162505A1 |
The main purpose of the present invention is to provide a semiconductor device for enhancing adhesion between a semiconductor substrate and a resin material. The present technology provides a semiconductor device (10) comprising: a fir...
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WO/2023/160589A1 |
A semiconductor laser (1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1000a, 1000a1, 1000a2, 1000a3, 1000b, 1000b1, 1000b2, 1000b3, 1000b4, 1000b, 2400), comprising a semiconductor stack (10), a first electrode structure, a second elect...
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WO/2023/162463A1 |
The present invention increases reliability of connection in a light-emitting device connected to a laser driver. The light-emitting device comprises a solder wetting layer, an adhesion layer, and a solder barrier layer. In the light-e...
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WO/2023/162488A1 |
Provided is a surface emitting laser that has a light trapping structure and with which it is possible to reduce manufacturing cost. The present technology provides a surface emitting laser comprising a first and a second reflecting mi...
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WO/2023/158541A1 |
A semiconductor optical device (100) includes a first facet (110) bounding a first end of the semiconductor optical device (100). The semiconductor optical device further includes a waveguide (101) having a first end proximate the first ...
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WO/2023/157269A1 |
In the present invention, an optical module (1) comprises: a first variable reflectance mirror (21); a periodic wavelength filter (22); a wavelength spectral filter (23); gain media (24-1 to 24-n) provided for each wavelength, having mut...
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WO/2023/156513A2 |
The invention relates to a light module comprising a VCSEL laser array die (VCSELA) for emitting laser pulses for LIDAR applications, wherein the parasitic inductances are low due to a particular construction and connection technique and...
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WO/2023/158983A1 |
A system includes one or more diodes, a power source, a tank, and a cooling plate. The power source is coupled to the one or more diodes and the tank is operable to store a fluid under pressure. The cooling plate includes one or more cha...
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WO/2023/156149A1 |
Disclosed is a supercontinuum radiation source comprising a pump laser arrangement for generating pump radiation and comprising a plurality of pump laser heads; a radiation combiner for combining the respective pump radiation from each p...
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WO/2023/157210A1 |
The present invention is provided with: a direction-dependent element; a substrate (2) that has a mounting surface (2fm), in which a plurality of grooves (2d) are arranged in parallel to each other, in a region (Rb) that is biased to one...
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WO/2023/156428A1 |
A device (1) for emitting light, the device (1) comprising: a substrate (2); a base layer (4) arranged on the substrate (2); a diode layer structure (10) arranged on the base layer (4), the diode layer structure (10) comprising a quantum...
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WO/2023/151851A1 |
The invention relates to an optoelectronic semiconductor laser component (1). The optoelectronic semiconductor laser component (1) comprises an epitaxial semiconductor layer sequence (10) having an active region (103) which is designed t...
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