Patents
Patents for H01S 5 - Semiconductor lasers (52,420)
07/2002
07/18/2002US20020094003 Structure and method for index-guided buried heterostructure AlGalnN laser diodes
07/18/2002US20020094002 Nitride semiconductor layer structure and a nitride semiconductor laser incorporating a portion of same
07/18/2002US20020094001 Surface emitting semiconductor laser device capable of improving heat radiation efficiency and its manufacture method
07/18/2002US20020094000 Method of controlling the turn off characteristics of a VCSEL diode
07/18/2002US20020093999 Laser diode drive circuit and optical transmission system
07/18/2002US20020093998 Semiconductor laser module and amplifier using the module
07/18/2002US20020093995 Electro-optically tunable external cavity mirror for a narrow linewidth semiconductor laser
07/18/2002US20020093893 Optical pickup apparatus
07/18/2002US20020093738 Semiconductor laser module, manufacturing method thereof and optical amplifier
07/18/2002US20020093731 Semiconductor optical amplifier
07/18/2002US20020093661 Optical wavelength monitoring system and stabilizing system
07/18/2002US20020093024 Micro-lens built-in vertical cavity surface emitting laser
07/18/2002US20020093020 Group III nitride LED with undoped cladding layer (5000.137)
07/18/2002US20020093013 Semiconductor device with current confinement structure
07/18/2002US20020092186 Gimballed lens mount and alignment assembly for a sensitive optical alignment
07/18/2002DE10161308A1 Integrierte, optische Parallelkanalüberwachung für parallele Optikensender Integrated optical parallel channel monitoring for parallel optical transmitter
07/18/2002DE10149062A1 Eine VCSEL-Vorrichtung mit verbesserten Modaleigenschaften A VCSEL device with improved modal properties
07/17/2002EP1223647A1 A method and apparatus for controlling a laser structure
07/17/2002EP1222720A1 Intracavity frequency-converted optically-pumped semiconductor laser
07/17/2002EP1222719A1 Optical transmitter with back facet monitor
07/17/2002EP1222685A1 Single step pendeo- and lateral epitaxial overgrowth of group iii-nitride layers
07/17/2002EP1222488A1 Device for symmetrizing the radiation emitted by linear optical transmitters
07/17/2002EP1222485A1 Jig for the batch production of optical communication apparatuses, and method using the same
07/17/2002CN1359179A Semiconductor laser device and making method
07/17/2002CN1359178A Wavelength changeable light emitter and output control method and optical communication system
07/17/2002CN1359177A Semiconductor lighting device
07/17/2002CN1359176A Aging for transmitter array adopting base substrate
07/17/2002CN1359175A Semiconductor laser light resource for projection apparatus
07/17/2002CN1359016A Optical source-optical fiber coupler
07/16/2002US6421492 Waveguide
07/16/2002US6421476 Integrated optic beam deflectors and systems
07/16/2002US6421363 Semiconductor lasers and amplifiers with grating-induced anisotropic waveguide
07/16/2002US6421361 Tunable diode laser system for photodynamic therapy
07/16/2002US6421164 Interferometeric imaging with a grating based phase control optical delay line
07/16/2002US6420733 Semiconductor light-emitting device and manufacturing method thereof
07/16/2002US6420727 Light-emitting semiconductor device with quantum-wave interference layers
07/16/2002US6420283 Crystallization of nitrides layers on synthetic mica substrates
07/16/2002US6420245 Method for singulating semiconductor wafers
07/16/2002US6420199 Methods for fabricating light emitting devices having aluminum gallium indium nitride structures and mirror stacks
07/16/2002US6420198 Gallium nitride based compound semiconductor laser and method of forming the same
07/16/2002US6420197 Improved crystalline characteristics of algain nitride; strain reducing layer between layers of different thermal expansion coefficients; blue laser
07/16/2002CA2185865C Dispersion compensation
07/11/2002WO2002054549A1 Semiconductor luminous element and method for manufacture thereof, and semiconductor device and method for manufacture thereof
07/11/2002WO2002054548A1 Shorter wavelength laser module and method of manufacturing the laser module
07/11/2002WO2002054546A1 Tunable fabry-perot filter and tunable vertical cavity surface emitting laser
07/11/2002WO2002054544A2 Tunable semiconductor laser having a cavity with wavelength selective mirror and mach-tehnder interferometer
07/11/2002WO2002054543A2 Diode laser
07/11/2002WO2002054482A2 Method of efficient controllable and repeatable wet oxidation in a phosphorous-rich iii-v material system
07/11/2002WO2002054118A2 Low cost optical bench having high thermal conductivity
07/11/2002WO2002054116A2 An optical system having a holographic optical element
07/11/2002WO2002045150A8 Spontaneous emission enhanced heat transport method and structures for cooling, sensing, and power generation
07/11/2002WO2001013481A9 Method for modulating an optically pumped, tunable vertical cavi ty surface emitting laser (vcsel)
07/11/2002US20020090255 Light adjustment device for oscillating laser cavity
07/11/2002US20020090254 Light adjustment device for laser resonant socket
07/11/2002US20020090172 Multiplex laser light source and exposure apparatus
07/11/2002US20020090017 Device and method for reduction of spontaneous emission from external cavity lasers
07/11/2002US20020090016 Double intracavity contacted long-wavelength VCSELs
07/11/2002US20020090015 Semiconductor laser module and method of making the same
07/11/2002US20020090014 Optical module assembling method, optical module and optical module assembling apparatus
07/11/2002US20020090013 VCSEL assembly with edge-receiving optical devices
07/11/2002US20020090012 Thermoelectric cooler driver utilizing unipolar pulse width modulated synchronous rectifiers
07/11/2002US20020090011 Laser thermal tuning
07/11/2002US20020089913 Light source device for an optical head apparatus and method relating thereto
07/11/2002US20020089670 Photodetector for ring laser gyros
07/11/2002US20020089637 Thermally and electrically conducting high index contrast multi-layer mirrors and devices
07/11/2002US20020088987 Optical device and method for manufacturing the same, and electronic apparatus
07/11/2002US20020088980 Vertical-resonator-laser-diode with a light-absorbing layer and method of manufacturing the same
07/11/2002US20020088979 Semiconductor laminated substrate, semiconductor crystal substrate and semiconductor device and method of manufacturing the same
07/11/2002US20020088929 Wavelength monitoring apparatus
07/11/2002DE10065838A1 Elektronische Treiberschaltung für direkt modulierte Halbleiterlaser Electronic driver circuit for directly modulated semiconductor laser
07/11/2002CA2436737A1 Tunable fabry-perot filter and tunable vertical cavity surface emitting laser
07/10/2002EP1221724A2 Sealing material with wavelength converting effect, application and production process
07/10/2002EP1221723A2 Formation of ohmic contats in III-Nitride light emitting devices
07/10/2002EP1221186A1 Optoelectronic device incorporating a tunable laser and method of characterisation thereof
07/10/2002EP1221185A2 Tunable laser with microactuator
07/10/2002EP1221069A1 An integrated optical device for data communication
07/10/2002EP1220734A1 Device with at least one light source, comprising several individual light sources
07/10/2002CN1357951A Semiconductor laser module, laser unit and Raman amplifier
07/10/2002CN1357928A Semiconductor photoelectronic device with non-rectangular substrate and its manufacture
07/09/2002US6418251 Laser-diode assembly for generating a frequency-stabilized narrow-bandwidth light and a method of narrowing linewidth of the spectrum
07/09/2002US6418155 Laser device
07/09/2002US6418152 Multi-amplifier, high power mode locked laser
07/09/2002US6417955 Stack pumped vanadate amplifier
07/09/2002US6417522 Led with alternated strain layer
07/09/2002US6417520 Semiconductor device with quantum-wave interference layers
07/09/2002US6417505 Near-field optical heterodyne measurement system using near-field fiber-optic probe
07/09/2002US6417107 Method for manufacturing a functional device by forming 45-degree-surface on (100) silicon
07/09/2002US6417020 Nitride compound light emitting device and method for fabricating the same
07/09/2002US6416237 Microsystem module
07/04/2002WO2002052755A2 Method and apparatus for stabilizing a broadband source
07/04/2002WO2002052653A1 Nonplanar semiconductor devices provided with a cylindrical closed effective layer
07/04/2002WO2002052553A1 Method and arrangement for regulating the light power of a scanning beam in an apparatus for reading from or for writing to optical recording media
07/04/2002WO2002052312A1 Optically active waveguide device comprising a channel on an optical substrate
07/04/2002WO2002052311A2 Laser pigtail fiber with inherent attenuation characteristic
07/04/2002WO2002017454B1 Semiconductor optical amplifier
07/04/2002WO2002017446A8 Contact scheme for intracavity-contacted vertical-cavity surface-emitting laser
07/04/2002WO2001082426A3 Depolarized semiconductor laser sources
07/04/2002WO2001065648A3 Self-pulsing multi-section complex-coupled distributed feedback (dfb) laser
07/04/2002US20020086550 Method of etching patterns into epitaxial material
07/04/2002US20020086454 Integrated grating-outcoupled surface-emitting lasers