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WO/2023/109778A1 |
A laser (10) and a projection light source (1). The laser (10) comprises a base (1011), a plurality of sub-packaging parts (10126), a plurality of groups of laser chips (103), and a plurality of sub-collimating lens groups (1052). The pl...
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WO/2023/113962A1 |
A light-emitting device includes: a semiconductor diode structure (102), a reflector (600), a wavelength-converting layer (106), and an intermediate spacer (700) between the diode structure and the wavelength-converting layer. The diode ...
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WO/2023/108791A1 |
A power supply configuration solution for direct-current-coupled output of a DFB laser, relating to the field of laser drivers in optical communication integrated circuits. The present invention aims to solve the problems in existing pow...
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WO/2023/110861A1 |
The invention relates to a carrier substrate (1) for electrical components (4), comprising: - a heat sink (20), and - a ceramic element (71), wherein the ceramic element (71) is bonded at least in some sections to the heat sink (20), whe...
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WO/2023/108954A1 |
A laser transmitter, a laser radar apparatus and a terminal device. The laser transmitter comprises a substrate (1), a circuit board (2) and at least one first laser chip (3), wherein the circuit board (2) and the first laser chip (3) ar...
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WO/2023/111513A1 |
A self-mixing interferometer configured to monitor particulate material within a monitored region of space comprising a laser cavity assembly (1A) and an optical assembly (1B) configured to bathe the monitored region with laser light of ...
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WO/2023/111137A1 |
The invention relates to a laser device (10) having a semiconductor laser component (12) comprising a laser array (14) with a plurality of semiconductor lasers (13) which emit laser light (16) vertically, and having an optics apparatus (...
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WO/2023/108794A1 |
A configuration scheme for a DFB laser diode direct-current coupling output power supply with an adjustable voltage difference, which configuration scheme belongs to the field of laser diode drivers in optical communication integrated ci...
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WO/2023/110203A1 |
The invention relates to a surface-emitting photonic crystal laser (1). The laser has an active layer (5) for generating electromagnetic radiation (99) by combining charge carriers, wherein the active layer has a first main surface and a...
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WO/2023/112675A1 |
[Problem] To quickly switch the polarization direction of light emitted from, for example, a semiconductor laser device. [Solution] This control device includes: a first control circuit connected to a light-emitting unit and having a c...
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WO/2023/105759A1 |
A wavelength-multiplexing light source according to the present invention comprises a plurality of semiconductor lasers (11_1 to 11_N) and a single waveguide (12) that is near to the semiconductor lasers (11_1 to 11_N) with a low refract...
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WO/2023/106080A1 |
[Problem] To provide a vertical cavity light-emitting element configured such that the deterioration of a semiconductor layer comprising an active layer is prevented, and as a result thereof, said element has high durability. [Solution] ...
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WO/2023/106269A1 |
The present invention pertains to a glass ceramic composition which contains a glass matrix, Al2O3, and an inorganic pigment, wherein: the average reflectance at a wavelength of 800-880nm is 30% or less; the reflectance across the entire...
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WO/2023/106348A1 |
According to the present invention, a light source comprises: a seed light source that outputs incoherent seed light that has a prescribed band; and a booster amplifier that is a semiconductor optical amplifier that optically amplifies t...
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WO/2023/104668A1 |
A VCSEL (10) comprises a vertical resonator structure (40) composed of semiconductor layers. A p-doped first region (34) is located on a first side of the active region, and an n-doped second region (30) is located on a second side of th...
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WO/2023/104457A1 |
The invention relates to a laser diode component (1), comprising: - a first semiconductor layer stack (2) which has a first active zone (4) for emitting a first laser radiation (S1), - a second semiconductor layer stack (6) which has a s...
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WO/2023/104903A2 |
The invention relates to a laser package comprising a first laser diode for emitting light of a first wavelength and at least one second laser diode for emitting light of a second wavelength. The laser package additionally comprises a re...
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WO/2023/105973A1 |
Provided is a surface-emitting element in which an element portion is allowed to have a special property. The present technology provides a surface-emitting element comprising at least one element portion that includes a light-emitting...
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WO/2023/100296A1 |
This method for manufacturing a semiconductor apparatus (100) has the following steps. An epitaxial layer (9) is formed on a semiconductor substrate (11). A silicon dioxide layer (4) is formed on the epitaxial layer (9) using a sputterin...
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WO/2023/100214A1 |
A semiconductor laser (100) according to the present invention is provided with: a ridge structure (16) that is formed on an n-type semiconductor substrate (1); and an embedded layer (13) that is embedded so as to cover the both sides of...
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WO/2023/099391A1 |
The invention relates to a laser component comprising a first laser chip (1) with a first emission region (1a), a second laser chip (2) with a second emission region (2a), and a connection carrier (4) with an upper side (4a) and an under...
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WO/2023/099171A1 |
The invention relates to a carrier element (1) for electrical components (4), wherein the carrier element (1) comprises a metal cooling body (20) for dissipating heat emitted by the electrical component during operation, wherein the cool...
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WO/2023/100742A1 |
The present invention provides: an optical circuit that provides stable optical coupling between a resonator and an optical waveguide; and an optical sensor comprising the same. The optical circuit (10) comprises a resonator (11) and an ...
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WO/2023/097497A1 |
A light source module, a detection device and a terminal device. The light source module comprises a light source assembly (201) for emitting an optical signal, a refrigeration assembly (202) stacked with the light source assembly (201),...
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WO/2023/101038A1 |
A LiDAR device according to the present invention may comprise: a laser emitting chip for generating a laser beam; a laser detecting chip for sensing the laser beam; an emitting-optic module for guiding the laser beam, generated from the...
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WO/2023/100927A1 |
An optical waveguide package (100) according to the present disclosure comprises: a substrate (1) having a first surface (1a); a clad layer (2) which is positioned on the first surface (1a) and in which the surface opposite to the surfac...
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WO/2023/100887A1 |
This semiconductor light emitting device comprises: a substrate that has a substrate front surface, a substrate back surface on the reverse side from the substrate front surface, and substrate lateral surfaces; front-surface-side wiring ...
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WO/2023/093408A1 |
A laser packaging device (1), comprising a base (10), a laser light source component (30), a lead wire (50), and a light window (60). The base (10) comprises a light source mounting portion (11) and a support portion (13); the light sour...
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WO/2023/096772A1 |
First and second waveguide structures are coupled to a waveguide coupling structure, the first waveguide structure comprising a first guiding core structure formed on a first cladding structure, and a second cladding structure formed on ...
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WO/2023/094562A1 |
An optoelectronic lighting device which comprises at least one optoelectronic light source (1) for producing light, at least one conversion system (3) for producing converted light by converting the light provided by the light source (1)...
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WO/2023/096514A1 |
The subject of the invention is the method for manufacturing a laser and light guide system comprising the following steps: a gallium nitride substrate is formed, after which regions with increased disorientation in relation to their sur...
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WO/2023/095515A1 |
[Problem] To provide a light-emitting device in which a light-emitting element can be provided on a substrate in an appropriate state, and a distance-measuring device. [Solution] This light-emitting device comprises: a first substrate; a...
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WO/2023/093275A1 |
Some embodiments of the present disclosure provide a light source assembly and an optical module. The light source assembly and the optical module comprise a laser chip and a plurality of lasers. The plurality of lasers are configured on...
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WO/2023/093975A1 |
A photonic assembly, a laser setup comprising said photonic assembly and a method for performing frequency-modulated continuous-wave light detection and ranging using said laser setup are disclosed. The photonic assembly (1) comprises an...
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WO/2023/094256A1 |
The invention relates to an optoelectronic component comprising a stacked arrangement having a photonic crystal (1) and a gain medium (2). The gain medium (2) comprises a semiconductor layer sequence (20) with at least a first semiconduc...
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WO/2023/093052A1 |
A laser chip and an optical module (200). The laser chip is integrated with a gain area, an optical grating area and an electro-absorption modulation area, wherein the gain area generates a light beam, and the optical grating area perfor...
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WO/2023/091143A1 |
Techniques to passively suppress or otherwise reduce stimulated Brillouin scattering (SBS) in a pumped fiber laser system. The system can be co-pumped with a tandem pumping technique, and counter-pumped with the direct diode pumping meth...
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WO/2023/091317A1 |
A laser driver (fig. 2: 200) includes a pulse generator circuit (fig. 2: 210), a pulse scaling circuit (fig. 2, 3b: 220), and a power stage circuit (fig. 2: 230). The pulse generator circuit (fig. 2: 210) generates a first voltage pulse ...
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WO/2023/089070A1 |
The invention relates to a method for controlling a supply current of a plurality of first laser diodes (3) of an optoelectronic device (1) during use thereof as intended, comprising operating the plurality of first laser diodes (3), whi...
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WO/2023/089056A1 |
The invention relates to an optoelectronic component comprising: an electrically conductive first contact layer located on a carrier substrate; an electrically conductive platform that is located on the first contact layer and is formed ...
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WO/2023/088859A1 |
A semiconductor laser device is specified, the semiconductor laser device comprising an active layer having a main extension plane, a first cladding layer and a second cladding layer, the active layer being arranged between the first and...
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WO/2023/088659A1 |
The invention relates to a semiconductor component for emitting light, having: a main body which has at least one mesa body with an emission region for the light, to which mesa body a first mirror portion, a second mirror portion and an ...
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WO/2023/089059A2 |
The invention concerns a laser package comprising a baseplate with a first contact layer and a second contact layer arranged on a top surface of the baseplate. The laser package further comprises a first laser diode, in particular high p...
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WO/2023/084610A1 |
Provided is an optical module that facilitates positioning of a waveguide for a silica-based PLC and a waveguide for a semiconductor element and that improves a heat dissipation function. According to one aspect, the present invention pr...
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WO/2023/084673A1 |
Since oscillation wavelengths are unstable in wavelength-tunable light sources, this wavelength-tunable light source device comprises: an optical amplification means; an optical waveguide means provided with a wavelength-tunable filter; ...
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WO/2023/083664A1 |
The invention relates to a method for producing a multiplicity of vertically emitting semiconductor laser diodes, comprising the following steps: - providing a growth substrate (1), - epitaxially growing an epitaxial semiconductor layer ...
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WO/2023/085161A1 |
A semiconductor light-emitting element (10) is provided with a semiconductor layered body (10S), a contact electrode (40) disposed above the semiconductor layered body (10S), and a pad layer (50) that is disposed above the contact electr...
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WO/2023/082577A1 |
A vertical-cavity surface-emitting laser and a preparation method. The vertical-cavity surface-emitting laser comprises: a substrate (10), and light-emitting units (20), which are arranged in an array and located on the surface of the su...
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WO/2023/084594A1 |
In order to enable oscillation of transmission light at an arbitrary oscillation frequency even in an environment in which the environment temperature is greatly different from an assumed temperature, a control device for a light source ...
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WO/2023/083927A1 |
The invention relates to an optoelectronic component, comprising: a carrier (1); a semiconductor chip (2) arranged on the carrier (1); a first optical deflection element (3) arranged next to the semiconductor chip (2) on the carrier (1);...
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