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Matches 1 - 50 out of 85,559

Document Document Title
WO/2021/085164A1
A light source device according to an embodiment of the present disclosure comprises: a substrate; a fluorescent member that has a bottom section joined to the substrate; a semiconductor light emitting element that is mounted on the subs...  
WO/2021/085458A1
This package for mounting a light-emitting element has a substrate and an insulation layer; the insulation layer is provided on a first surface of the substrate, and has a through-hole passing in the direction normal to the first surface...  
WO/2021/085587A1
This wiring board is provided with: an insulation board having a first surface; and a wiring conductor located in the insulation board. The insulation board includes a plurality of SiC bulk crystallites having different polytypes from on...  
WO/2021/083840A1
The invention relates to a semiconductor laser apparatus (10) having a layer stack (123) which comprises a first resonator mirror (115), a second resonator mirror (120) and an active zone (110) which is arranged between the first and sec...  
WO/2021/085621A1
This optical waveguide package comprises: a substrate (1); and an optical waveguiding layer (5) that has a cladding (3) located on an upper surface of the substrate and a core (4) located within the cladding. The substrate (1) has a firs...  
WO/2021/081697A1
A two-dimensional topology photonic crystal cavity, a design method thereof and an application in a laser. The two-dimensional topology photonic crystal cavity comprises multiple photonic crystal supercells, the multiple photonic crystal...  
WO/2021/085071A1
A first semiconductor device according to one embodiment of the present disclosure is provided with: a semiconductor element; a first container member and a second container member, said container members containing the semiconductor ele...  
WO/2021/085292A1
The present disclosure relates to a light-emitting element driving circuit that performs driving control separately with respect to a plurality of light-emitting elements having cathodes with the same electric potential. The light-emitti...  
WO/2021/079969A1
A semiconductor laser device (10) is provided with: a base body (80) that has a main surface (80a); a semiconductor laser element (20) that has a resonator extending in a first direction; and a plurality of first wire groups and a plural...  
WO/2021/079995A1
This electronic component mounting package is provided with: a coaxial line including a signal wire and an outer conductor; and a microstrip substrate having a first major surface and a signal wiring on the first major surface curving an...  
WO/2021/079510A1
Provided is an optical semiconductor device in which a first conductive pattern (13) is provided to the upper surface of a sub-mount (7). A GND pattern (9) is provided to the lower surface side of the sub-mount (7). A lower surface elect...  
WO/2021/078658A1
Examples relate to a method of manufacturing a semiconductor structure. The method comprises: depositing a first layer in contact with a first surface area of a substrate, the substrate being of a first semiconductor material and the fir...  
WO/2021/079611A1
This laser diode drive circuit is provided with a switching element, a control unit that performs on/off control of the switching element, a second series circuit that is connected in parallel with a first series circuit including a lase...  
WO/2021/079929A1
The present technology relates to a light source device which makes it possible to provide a light source device having a wide range of applications. The light source device comprises: a transmissive substrate transmissive to light emitt...  
WO/2021/079822A1
An optical fiber power feed system 1A1 comprises a power feed device 110, and a power receiving device 310 that converts power feed light from the power feed device to power. The power receiving device comprises: a photoelectric conversi...  
WO/2021/078657A1
Examples relate to a method of fabricating a semiconductor structure with multiple quantum wells. The method comprises: providing a substrate comprising a binary semiconductor compound having a first lattice constant; depositing at least...  
WO/2021/079758A1
The present invention provides a light-emitting device for emitting fluorescence upon receipt of excitation light from an excitation light source at a fluorescent source, such that the light-emitting device emits fluorescence at a desire...  
WO/2021/079930A1
The present technology relates to an electronic circuit board which makes it possible to mount an electronic circuit board on a curved surface easily, a base member, an electronic apparatus, a method for manufacturing an electronic appar...  
WO/2021/076050A1
A LIDAR transmitter system comprising an array of laser energy sources, the laser energy sources being arranged on a first curved surface and being configured to emit laser energy towards a LIDAR target. The LIDAR transmitter system furt...  
WO/2021/072752A1
A laser diode encapsulation module, a distance detection apparatus, and an electronic device. Said encapsulation module comprises: a substrate (300), having a first surface (30) and a second surface (32) opposite each other; a cover body...  
WO/2021/074050A2
The problem addressed by the invention is that of providing a base having improved cooling for electronic component parts for high-frequency signal transmission. For this purpose, a base (1) is provided for an electronic component part (...  
WO/2021/075340A1
A first illumination device according to an embodiment of the present disclosure is provided with: a light-emitting element that has a plurality of first light-emitting units and a plurality of second light-emitting units; a first optica...  
WO/2021/076462A1
In various embodiments, cold-start times and performance of wavelength-beam-combining laser resonators are improved via adjustment of the operating wavelengths and/or temperature of beam emitters within the resonators.  
WO/2021/074971A1
The semiconductor device according to the present invention is provided with: a semiconductor substrate; an n-type first cladding layer provided on the semiconductor substrate; an n-type second cladding layer provided on the first claddi...  
WO/2021/076836A1
In various embodiments, a laser emitter such as a diode bar is cooled during operation via jets of cooling fluid formed by ports in a cooler on which the laser emitter is positioned. The jets strike an impingement surface of the cooler t...  
WO/2021/074027A1
A method of fabricating a Vertical Cavity Surface Emitting Laser (VCSEL) device (100) comprises: providing a first structure (112) comprising a VCSEL layer structure (114) on a wafer (116), the VCSEL layer structure including the wafer c...  
WO/2021/076786A1
An all-epitaxial, electrically injected surface-emitting green laser operates in a range of about 520-560 nanometers (nm). At 523 nm, for example, the device exhibits a threshold current density of approximately 0.4 kilo-amperes per squa...  
WO/2021/075439A1
Provided are a semiconductor light-emitting element that can mitigate multi-peaking in an emission spectrum to obtain a single peak, and a manufacturing method for the same. This semiconductor light-emitting element has a second conducti...  
WO/2021/074331A1
A device (1) for regrowth of a thick structure lattice-matched with InP comprising: - a Si substrate (11), - an interface layer of SiO2 (12) on the Si substrate, - a bonding layer (13) on the interface layer (12), said bonding layer (13)...  
WO/2021/076291A1
Single-mode quantum cascade semiconductor lasers are provided. The lasers comprise a laser element, the laser element comprising a quantum cascade active layer; an upper cladding layer over the quantum cascade active layer; and a lower c...  
WO/2021/074460A1
The invention relates to a laser connection module comprising: multiple superposed electrodes (2) connected in alternating order with opposite electricity supply poles; at least one laser diode (4) mounted between the opposite surfaces o...  
WO/2021/070276A1
Provided is a semiconductor light-emitting device with which a degeneration reaction that may cause physical damage can be suppressed. This semiconductor light-emitting device comprises: a semiconductor light-emitting element (10A) tha...  
WO/2021/069629A1
The invention pertains to a photonic integrated circuit device (1) comprising a lasing cavity (2) for resonating at a plurality of discrete wavelengths and an optical feedback cavity (3) operably coupled to the lasing cavity via a front ...  
WO/2021/068132A1
A VCSEL array (200) comprises series-connected VCSELs (1, 2, 3) formed on a single chip. The VCSELs (1, 2, 3) each comprises VCSEL emitters fabricated on a semi-insulating layer (213). A metal structure (210) electrically contacts an N-m...  
WO/2021/070587A1
A light-emitting device according to an embodiment of the present disclosure is provided with: a light-emitting element (11); a first accommodating member (14) and a second accommodating member (15) which accommodate the light-emitting e...  
WO/2021/070625A1
This mirror driving mechanism is provided with: a stage which has a recess; a plate-like base; a plate-like mirror having a reflection surface on which light is reflected; and a light-receiving element having a light-receiving surface wh...  
WO/2021/068059A1
Semiconductor device structures comprising laser diode cavities with at least one of a mode-selective filter and a phase-alignment element, and methods for their fabrication, are disclosed. An example device structure comprises a surface...  
WO/2021/070910A1
The present invention achieves a configuration comprising a single crystal Group II-IV nitride semiconductor part on a single crystal Group III nitride semiconductor part. A nitride semiconductor structure (1) comprises a Group III nitri...  
WO/2021/066866A1
A high Q whispering gallery mode resonator with ion-implanted voids is described. A resonator device includes a resonator disk formed of an electrooptic material. The resonator disk includes a top surface, a bottom surface substantially ...  
WO/2021/065725A1
A laser element which contains a compound represented by general formula XX in a light emitting layer. In general formula XX, each of R1 and R5 represents a substituent that has a positive Hammett substituent constant σp; and each of R2...  
WO/2021/065097A1
A laser diode drive circuit (10) is provided with: at least one laser diode (LD1, LD2); a driving switching element (Swd1, Swd2) for switching between a state in which the laser diode (LD1, LD2) is supplied with current and a state in wh...  
WO/2021/067033A1
Some embodiments may include a laser diode having a strain-engineered cladding layer for optimized active region strain and improved laser diode performance. In one embodiment, the laser diode may include a semiconductor substrate having...  
WO/2021/066865A1
An asymmetric whispering gallery mode resonator device is described. The resonator device includes an asymmetric whispering gallery mode resonator disk (e.g., transparent material, electrooptic material). The resonator disk includes an a...  
WO/2021/063561A1
The invention relates to a micromechanical optical component with a substrate (10), a spacer (20), and a cover (30) which are arranged one over the other and delimit a hermetically sealed cavity (40), wherein a semiconductor laser (50) i...  
WO/2021/065163A1
In this semiconductor laser drive device, when a semiconductor laser and a laser driver are electrically connected to each other, the wiring inductance is reduced. The semiconductor laser drive device includes a substrate, the laser dr...  
WO/2021/065855A1
An optical element mounting package equipped with a substrate having a top surface and an angled surface which is continuous with the top surface and descends in a direction away from said top surface, and further equipped with an optica...  
WO/2021/065909A1
A package for mounting a photonic device comprises a base that has a plurality of mounting portions. Each of the plurality of mounting portions comprises: a first mounting portion on which a light-emitting device is mounted; and a second...  
WO/2021/064005A1
A semiconductor structure comprising a matrix having a first cubic Group-III nitride with a first band gap, and a second cubic Group-III nitride having a second band gap and forming a region embedded within the matrix. The second cubic G...  
WO/2020/263818A3
Light-emitting photoluminescent (PL) cell configured to abate thermal quenching when exposed to high levels of radiant excitation; methods and systems of using the same for horticultural growth lighting and other lighting applications. E...  
WO/2021/066864A1
A non-reciprocal optical assembly for injection locking a laser to a resonator is described. The laser emits a light beam, and the resonator receives the light beam and returns a feedback light beam to the laser such that the feedback li...  

Matches 1 - 50 out of 85,559