Patents
Patents for H01S 5 - Semiconductor lasers (52,420)
12/2004
12/23/2004US20040257140 Driver circuit and method for driving an electronic component
12/23/2004US20040256611 Heterostructures for III-nitride light emitting devices
12/23/2004US20040256542 Optical tweezer device
12/23/2004US20040255840 Method for forming gallium-containing nitride bulk single crystal on heterogenous substrate
12/22/2004EP1489708A1 Heterostructures for III-nitride light emitting devices
12/22/2004EP1489707A2 Sampled grating distributed feedback wavelength tunable semiconductor laser integrated with sampled grating distributed bragg reflector
12/22/2004EP1489706A1 Optical module and method for assembling optical module
12/22/2004EP1489443A1 Two-dimensional photonic crystal point defect interference optical resonator and optical reflector
12/22/2004EP1488485A2 TRANSMITTER PHOTONIC INTEGRATED CIRCUIT (TxPIC) CHIP WITH ENHANCED POWER AND YIELD WITHOUT ON-CHIP AMPLIFICATION
12/22/2004EP1488484A2 Hybrid vertical cavity laser with buried interface
12/22/2004EP1488483A1 Tunable cavity resonator and method of fabricating same
12/22/2004EP1488460A1 Doped group iii-v nitride materials, and microelectronic devices and device precursor structures comprising same
12/22/2004EP1488265A2 Demultiplexing optical signal receiver photonic integrated circuit (rxpic) and associated transmitter and method of testing a photonic integrated circuit
12/22/2004EP1119742B1 Fibre optic sensor
12/22/2004EP1025625B1 Filamented multi-wavelength vertical-cavity surface emitting laser and fabrication method
12/22/2004CN1557042A Multibeam semiconductor laser, semiconductor light-emitting device and semiconductor device
12/22/2004CN1556563A Structure of air column type rertica cavity surface emitting laser and its manufacturing method
12/22/2004CN1181626C Optical amplifier for optical communication equipment
12/22/2004CN1181602C Laser drive device, optical head device and optical information processor
12/22/2004CN1181601C Semiconductor laser and its producing method
12/22/2004CN1181600C Buried heterostructure
12/22/2004CN1181478C Optic pick-up device and its mfg. method
12/22/2004CN1181393C Image exposure device
12/22/2004CN1181369C Semiconductor laser V shaped groove fixed optical fiber coaxial device
12/21/2004US6834134 Method and apparatus for generating frequency modulated pulses
12/21/2004US6834068 Semiconductor laser device and method for fabricating the same
12/21/2004US6834065 Methods and apparatuses for direct digital drive of a laser in a passive optical network
12/21/2004US6834027 Surface plasmon-enhanced read/write heads for optical data storage media
12/21/2004US6833999 Optical module and method of making the same
12/21/2004US6833958 Optical cavities for optical devices
12/21/2004US6833946 Optical amplification using polarization diversity pumping
12/21/2004US6833940 Method and apparatus for optical scanning capable of performing a high speed and high pixel density scanning
12/21/2004US6833652 Balanced micromechanical device having two degrees of motion
12/16/2004WO2004109959A2 Intelligent wavelength division multiplexing systems based on arrays of wavelength tunable lasers and wavelength tunable resonant photodetectors
12/16/2004WO2004109873A1 Method and apparatus for suppression of spatial-hole burning in second or higher order dfb lasers
12/16/2004WO2004109764A2 Method of fabricating vertical structure compound semiconductor devices
12/16/2004WO2004109351A2 Ultra-high q micro-resonator on silicon substrate and method of fabrication thereof
12/16/2004WO2004061386B1 Systems and methods for automatic power control of laser diodes
12/16/2004WO2004042881A3 Optical frequency comb generator
12/16/2004US20040252953 Optoelectronic packaging assembly
12/16/2004US20040252942 Cleaving laser diode bars having gratings
12/16/2004US20040252742 High power distributed feedback ridge waveguide laser
12/16/2004US20040252741 Surface-emitting photonic crystal distributed feedback laser systems and methods
12/16/2004US20040252739 Semiconductor laser device and method of fabricating the same
12/16/2004US20040252738 Light emitting diodes and planar optical lasers using IV semiconductor nanocrystals
12/16/2004US20040252736 Optical wave length division multiplexing module and communication system using the same
12/16/2004US20040252735 Semiconductor laser device
12/16/2004US20040252733 Apparatus and method for laser frequency doubler utilizing PPLN waveguide
12/16/2004US20040252388 Laser multiplexing apparatus
12/16/2004US20040252367 Gain-clamped semiconductor optical amplifier using Raman amplification principle
12/16/2004US20040252181 Imaging device for a printing form and method for arranging optical components in the imaging device
12/16/2004US20040251943 Pulse width control circuit controlling pulse width of output light
12/16/2004US20040251856 Light emitting device driving circuit
12/16/2004US20040251519 Nitride semiconductor device and fabrication method thereof, and method for forming nitride semiconductor substrate
12/16/2004US20040251471 Light emitting element structure using nitride bulk single crystal layer
12/16/2004CA2467873A1 Imaging device for a printing form and method for arranging optical components in the imaging device
12/15/2004EP1487242A2 Electric circuit for direct modulated semiconductor radiation source
12/15/2004EP1487073A2 Mounting of a semiconductor laser device by soldering
12/15/2004EP1485975A2 Tunable laser
12/15/2004EP1485736A2 Maintaining desirable performance of optical emitters at extreme temperatures
12/15/2004EP1091435B1 Material for solid polyelectrolyte suitable for use in fuel cell
12/15/2004CN2664240Y Laser bulb
12/15/2004CN2664239Y A semiconductor laser
12/15/2004CN1555596A Method of manufacturing optical devices and related improvements
12/15/2004CN1555570A Coupled quantum dot and quantum well semiconductor device and method of making the same
12/15/2004CN1555101A 氮化物半导体器件 The nitride semiconductor device
12/15/2004CN1555082A Laser apparatus, laser irradiation method and semiconductor device and its producing method
12/15/2004CN1180519C Semi-conductive laser device, its mfg. method and optical pick-up device using same
12/15/2004CN1180518C Distributed feedback surface plasma vibrator laser
12/15/2004CN1180517C Apparatus and method for protecting components of light source
12/15/2004CN1180135C Method for preparing gallium nitride crystal
12/15/2004CN1179817C Optical machining device
12/14/2004US6832024 Method and apparatus for fiber bragg grating production
12/14/2004US6832021 Configuration for coupling radiation into an optical fiber
12/14/2004US6831937 Method of fabricating semiconductor laser device and semiconductor laser device
12/14/2004US6831775 Method and apparatus for wavelength conversion
12/14/2004US6831767 Traveling wave optical modular
12/14/2004US6831520 Amplifier circuit apparatus and method of EMI suppression
12/14/2004US6831450 Electronic method and apparatus for measuring optical wavelength and locking to a set optical wavelength of Fabry-Perot tunable cavity opto-electronic devices
12/14/2004US6830949 Method for producing group-III nitride compound semiconductor device
12/14/2004US6830948 Method for producing group III nitride compound semiconductor and group III nitride compound semiconductor device
12/14/2004US6830189 Method of and system for producing digital images of objects with subtantially reduced speckle-noise patterns by illuminating said objects with spatially and/or temporally coherent-reduced planar laser illumination
12/14/2004US6830185 Method of and system for automatically producing digital images of a moving object, with pixels having a substantially uniform white level independent of the velocity of said moving object
12/14/2004US6830184 Method of and apparatus for automatically compensating for viewing-angle distortion in digital linear images of object surfaces moving past a planar laser illumination and imaging (pliim) based camera system at skewed viewing angles
12/14/2004CA2361527C Opto-electronic oscillators having optical resonators
12/11/2004CA2431969A1 Method and apparatus for suppression of spatial-hole burning in second or higher order dfb lasers
12/09/2004WO2004107516A1 Nitride semiconductor light-emitting device
12/09/2004WO2004107515A1 Method of assembling light-emitting apparatus
12/09/2004WO2004107514A2 Method and device for pumping a laser
12/09/2004WO2004107512A1 White-light laser
12/09/2004WO2004107511A2 Method for producing a laser diode component, housing for a laser diode component, and laser diode component itself
12/09/2004WO2004107510A2 Laser pulse generator
12/09/2004WO2004107460A1 Compound semiconductor and method for producing same
12/09/2004WO2004107438A1 Submount and semiconductor device using same
12/09/2004WO2004107017A1 Optical multiplexer
12/09/2004WO2004107003A1 Optical transmission/reception module
12/09/2004WO2004106997A2 Laser driver circuit and system
12/09/2004WO2004106987A2 Impurity-based waveguide detectors
12/09/2004WO2004075307A3 Group iii nitride contact structures for light emitting devices
12/09/2004WO2004059808A3 Methods of forming semiconductor devices including mesa structures and multiple passivation layers and related devices