Patents
Patents for H01S 5 - Semiconductor lasers (52,420)
03/2005
03/01/2005US6862300 High power semiconductor laser diode and method for making such a diode
03/01/2005US6862136 Hybrid optical transmitter with electroabsorption modulator and semiconductor optical amplifier
03/01/2005US6862133 Raman amplifier and wavelength division multiplexing optical communication system, and method of controlling raman amplification
03/01/2005US6862124 Semiconductor optical modulator, mach-zehnder optical modulator employing the same, and method of manufacturing semiconductor optical modulator
03/01/2005US6861729 Nitride semiconductor substrate and method for manufacturing the same, and nitride semiconductor device using nitride semiconductor substrate
03/01/2005US6861672 Highly reliable semiconductor laser with reduced threshold current and driving current by using a wurtzite-type crystal which changes the structure of the valence by receiving uniaxial stress in a direction vertical to the (0001) axis
03/01/2005US6861663 Group III nitride compound semiconductor light-emitting device
03/01/2005US6861340 Method of heat-treating nitride compound semiconductor layer and method of producing semiconductor device
03/01/2005US6861335 Method for fabricating a semiconductor device that includes light beam irradiation to separate a semiconductor layer from a single crystal substrate
03/01/2005US6861281 Group III nitride compound semiconductor light-emitting device and method for producing the same
03/01/2005US6861271 Forming indium nitride (InN) and indium gallium nitride (InGaN) quantum dots grown by metal-organic-vapor-phase-epitaxy (MOCVD)
03/01/2005US6861270 Method for manufacturing gallium nitride compound semiconductor and light emitting element
03/01/2005US6860943 Method for producing group III nitride compound semiconductor
03/01/2005CA2428590C Low power laser driver
02/2005
02/24/2005WO2005017568A2 Semiconductor light sources with doping gradients in optical confinement layers for improved device efficiency
02/24/2005WO2004112208B1 Semiconductor laser
02/24/2005WO2004106987A3 Impurity-based waveguide detectors
02/24/2005WO2004098004A3 Detection system for optical beam pointing and shaping
02/24/2005US20050042864 Ohmic contact structure and method for the production of the same
02/24/2005US20050042788 Semiconductor device and method for manufacturing the same
02/24/2005US20050042787 Nitride semiconductor device, its manufacturing method, and semiconductor optical apparatus
02/24/2005US20050041934 Optical module and method of assembling the optical module
02/24/2005US20050041717 Laser-diode-excited laser apparatus, fiber laser apparatus, and fiber laser amplifier in which laser medium doped with one of Ho3+ , Sm3+, Eu3+, Dy3+, Er3+ and Tb3+ is excited with GaN-based compound laser diode
02/24/2005US20050041716 Laser-diode-excited laser apparatus, fiber laser apparatus, and fiber laser amplifier in which laser medium doped with one of Ho3+, Sm3+, Eu3+, Dy3+, Er3+, and Tb3+ is excited with GaN-based compound laser diode
02/24/2005US20050041715 Long wavelength vertical cavity surface emitting laser with integrated photodetector
02/24/2005US20050041714 Long wavelength vertical cavity surface emitting laser with monolithically grown photodetector
02/24/2005US20050041713 Surface emitting semiconductor laser device
02/24/2005US20050041712 Semiconductor laser device and production method therefor
02/24/2005US20050041711 Intersubband semiconductor lasers with enhanced subband depopulation rate
02/24/2005US20050041710 Semiconductor laser and method for manufacturing the same
02/24/2005US20050041709 Wide-stripe single-mode diode-laser
02/24/2005US20050041708 Semiconductor laser device and optical disc drive
02/24/2005US20050041707 Method and apparatus for driving laser diode sources
02/24/2005US20050041706 Laser driver circuit
02/24/2005US20050041705 Automatic control device for laser power
02/24/2005US20050041704 Laser frequency stabilization device and a method for laser frequency stabilization
02/24/2005US20050041700 Multiwavelength semiconductor laser
02/24/2005US20050041699 Wavelength division multiplex optical wavelength converter
02/24/2005US20050041698 Fabry-perot laser generating mode-locked channel and method for fabricating the same
02/24/2005US20050041433 Automotive lighting system
02/24/2005US20050041280 Semiconductor optical amplifier having photo detector and method of fabricating the same
02/24/2005US20050040426 Group iii nitride led with silicon carbide substrate
02/24/2005US20050040418 Optical semiconductor device and method of fabricating the same
02/24/2005US20050040416 Gain-clamped semiconductor optical amplifier having horizontal lasing structure and manufacturing method thereof
02/24/2005US20050040415 Oxygen-doped al-containing current blocking layers in active semiconductor devices in photonic integrated circuits (PICs)
02/24/2005US20050040413 Semiconductor light-emitting device, surface-emission laser diode, and production apparatus thereof, production method, optical module and optical telecommunication system
02/24/2005US20050040410 Tilted cavity semiconductor optoelectronic device and method of making same
02/24/2005US20050040409 Semiconductor light emitting device and its manufacturing method
02/24/2005US20050040408 Long-wavelength semiconductor light emitting device and its manufacturing method
02/24/2005US20050040407 Semiconductor light emitting device
02/24/2005US20050040406 Semiconductor light emitting device
02/24/2005US20050040386 Multiple quantum well broad spectrum gain medium and method for forming same
02/24/2005US20050040385 Non-polar (Al,B,In,Ga)N quantum well and heterostructure materials and devices
02/24/2005US20050040384 Semiconductor light-emitting element and method of manufacturing the same
02/24/2005US20050040236 Laser module for reading optical codes
02/24/2005DE20320771U1 Buried heterostructure or BH laser with tapered optical waveguide, especially BH-distributed feedback laser, has effective diffraction grid period for optical wave adapted to local refractive index profile
02/24/2005DE10132329B4 Lichtemittierende Vorrichtung und Verfahren zu ihrer Herstellung A light emitting device and process for their preparation
02/23/2005EP1508946A1 Long wavelength vertical cavity surface emitting laser with integrated photodetector
02/23/2005EP1508189A2 Method of forming quantum dots for extended wavelength operation
02/23/2005EP1508188A1 Laser cavity with variable dispersion element
02/23/2005EP1508163A2 Control of contact resistance in quantum well intermixed devices
02/23/2005EP1508157A2 High efficiency solid-state light source and methods of use and manufacture
02/23/2005EP1425833B1 Type ii mid-infrared quantum well laser
02/23/2005CN1586015A Ultraviolet emitting device
02/23/2005CN1586011A Ohmic contact structure and method for the production of the same
02/23/2005CN1585219A Semiconductor laser and method for manufacturing the same
02/23/2005CN1585218A Gain-clamped semiconductor optical amplifier having horizontal lasing structure and manufacturing method thereof
02/23/2005CN1585217A Array single-transverse mode surface transmitting laser and manufacturing method thereof
02/23/2005CN1585216A Long wavelength vertical cavity surface emitting laser with integrated photodetector
02/23/2005CN1585215A Long wavelength vertical cavity surface emitting laser with monolithically grown photodetector
02/23/2005CN1585152A Current carrier transmtiting material with high-effect and balancing electronic cavity transmitting performance
02/23/2005CN1584663A Light reflector and reflecting method for home positioning real-time detecting thin-membrane growing state
02/23/2005CN1584653A Thermal expanding chip radius microlens optical fibre for coupled big-power semiconductor laser
02/23/2005CN1584652A Semiconductor optical amplifier having photo detector and method of fabricating the same
02/23/2005CN1584105A Method for enhancing luminating efficiency of Cr+in alpha-Al2O3 by coating ferroelectric film
02/23/2005CN1190696C Au optical wavelength converter
02/22/2005US6859601 Optical waveguide-integrated substrate, method for producing the substrate, and optical transceiver using the substrate
02/22/2005US6859572 Photon operating device and photon operating method
02/22/2005US6859481 Optically-pumped multiple-quantum well active region with improved distribution of optical pumping power
02/22/2005US6859479 Laser modulator
02/22/2005US6859478 Semiconductor light emitting device in which near-edge portion is filled with doped regrowth layer, and dopant to regrowth layer is diffused into near-edge region of active layer
02/22/2005US6859477 Optoelectronic and electronic devices based on quantum dots having proximity-placed acceptor impurities, and methods therefor
02/22/2005US6859476 Surface-emitting semiconductor laser and method of manufacturing the same
02/22/2005US6859474 Long wavelength pseudomorphic InGaNPAsSb type-I and type-II active layers for the gaas material system
02/22/2005US6859473 Controlling modulation and bias of laser drivers
02/22/2005US6859471 Method and system for providing thermal control of superluminescent diodes
02/22/2005US6859469 Method and apparatus for laser wavelength stabilization
02/22/2005US6859468 Method and system for mode stabilization of VCSELS using increased bias current
02/22/2005US6859321 Low voltage tunable photonic crystal with large defects as wavelength routing
02/22/2005US6859307 Method and device for waveform shaping of signal light
02/22/2005US6859303 Optical components exhibiting enhanced functionality and method of making same
02/22/2005US6859298 Optical module of optical isolator structure
02/22/2005US6858882 Nitride semiconductor light-emitting device and optical device including the same
02/22/2005US6858877 Nitride semiconductor, method for manufacturing the same and nitride semiconductor device
02/22/2005US6858872 Optical interconnection integrated circuit, method of manufacturing optical interconnection integrated circuit, electro-optical apparatus, and electronic apparatus
02/22/2005US6858871 Semiconductor device and manufacturing method therefor
02/22/2005US6858864 Devices with optical gain in silicon
02/22/2005US6858863 Semiconductor laser device having a high characteristic temperature
02/22/2005US6858519 Atomic hydrogen as a surfactant in production of highly strained InGaAs, InGaAsN, InGaAsNSb, and/or GaAsNSb quantum wells
02/22/2005US6858518 Method for manufacturing semiconductor integrated circuit