Patents
Patents for H01S 5 - Semiconductor lasers (52,420)
03/2003
03/26/2003EP1295370A1 Water getter devices for laser amplifiers and process for the manufacture thereof
03/26/2003EP1295240A2 Method and system for versatile optical sensor package
03/26/2003EP0796452B1 Device for combining and shaping the radiation from several laser diode cells
03/26/2003EP0729565B1 Gas spectroscopy
03/26/2003CN2541855Y Optical fiber lighting panel display
03/26/2003CN2541854Y Plastic optical fiber panel display
03/26/2003CN2541853Y Micro-LED core plastic optical fiber panel display
03/26/2003CN1406405A Control method and control device for laser power of semiconductor laser and recording/reproducing method and device for magnetooptic recording medium and recording/reproducing
03/26/2003CN1406404A Shorter wavelength laser module and method of manufacturing the laser module
03/26/2003CN1405938A Transverse mode and polarization control to surface emission laser through forming insulation lamina
03/26/2003CN1405937A 氮化镓半导体激光器 GaN semiconductor laser
03/26/2003CN1405903A Single Crystal gallium nitride base board and its growth method and manufacture method
03/26/2003CN1405902A Erbium-doped zinc oxide near-infrared light source
03/26/2003CN1405901A Method for packaging electroluminescence element
03/26/2003CN1405861A Laser irradiating device, laser irradiating method, and semiconductor manufacture method
03/26/2003CN1405764A Power control circuit of optical information recording device
03/26/2003CN1104004C Composite optical device
03/26/2003CN1104003C Compatible optical pickup capable of scanning multiple tracks
03/26/2003CN1103918C Ultra-sensitive detection of contaminants in gas via intracavity laser spectrometry
03/25/2003US6539155 Microstructured optical fibres
03/25/2003US6539134 Polarization transformer
03/25/2003US6539133 Integrated optics beam deflectors and systems
03/25/2003US6539040 Laser diode and fabrication process thereof
03/25/2003US6539039 Optical semiconductor device and method of manufacturing the same
03/25/2003US6539036 Laser control loop with automatic adaptation to the monitoring signal polarity
03/25/2003US6538817 Method and apparatus for optical coherence tomography with a multispectral laser source
03/25/2003US6538808 Semiconductor optical amplifier
03/25/2003US6538804 Planar waveguide-type optical amplifier switch
03/25/2003US6538803 Optical amplifier and optical wavelength division multiplexing communication system
03/25/2003US6538748 Tunable Fabry-Perot filters and lasers utilizing feedback to reduce frequency noise
03/25/2003US6538302 Semiconductor chip and method for the production thereof
03/25/2003US6538265 Indium aluminum nitride based light emitter active layer with indium rich and aluminum rich areas
03/25/2003US6537841 Ridge-structure DFB semiconductor laser and method of manufacturing the same
03/25/2003US6537839 Nitride semiconductor light emitting device and manufacturing method thereof
03/25/2003CA2155091C Bonding material and bonding method for electric element
03/24/2003WO2003010867A1 Optical semiconductor module and method of producing the same
03/24/2003CA2423609A1 Optical semiconductor module and method of producing the same
03/20/2003WO2003024003A1 Low noise optical amplifier and optical communication system using the same
03/20/2003WO2003023917A1 Laser modulation control
03/20/2003WO2003023916A1 Frequency locking of multisection laser diodes
03/20/2003WO2003023915A2 Tunable electro-absorption modulator and tunable laser
03/20/2003WO2003023913A1 Magneto-optoelectronic switch and sensor
03/20/2003WO2003023912A2 Type ii mid-infrared quantum well laser
03/20/2003WO2003023911A2 Wavelength agile laser
03/20/2003WO2003023909A2 Unipolar quantum cascade laser
03/20/2003WO2003023834A2 Method of manufacturing optical devices and related improvements
03/20/2003WO2003023741A1 Optical device
03/20/2003WO2003023457A2 Vcsel with heat-spreading layer
03/20/2003WO2002077700A3 Controlling passive facet reflections
03/20/2003WO2002032022A3 Optical communications apparatus
03/20/2003US20030054581 Method of mounting light emitting element
03/20/2003US20030053789 Tuning a band-gap by intermixing an impurity with one Quantum Well in the at least two areas to different values; copper or a copper alloy impurity; high-speed diffusion; dopes
03/20/2003US20030053769 Transmission and reception configuration for bi-directional optical data transmission
03/20/2003US20030053736 Optical waveguide-integrated substrate, method for producing the substrate, and optical transceiver using the substrate
03/20/2003US20030053513 Method of and system for producing high-resolution 3-D images of 3-D object surfaces having arbitrary surface geometry
03/20/2003US20030053512 Single lasing-reflectivity peak reflector
03/20/2003US20030053511 Laser having multiple reflectivity band reflector
03/20/2003US20030053510 Flip-chip assembly for optically-pumped lasers
03/20/2003US20030053507 Laser diode pump sources
03/20/2003US20030053506 High-efficiency series-connected multiple-active region lasers and optical amplifiers
03/20/2003US20030053505 Structure and method for index-guided buried heterostructure algalnn laser diodes
03/20/2003US20030053504 Structure and method for self-aligned, index-guided, buried heterostructure algalnn laser diodes
03/20/2003US20030053503 Device structure for semiconductor lasers
03/20/2003US20030053502 Semiconductor laser device with a diffraction grating and semiconductor laser module
03/20/2003US20030053501 Surface-emission laser diode operable in the wavelength band of 1.1-7mum and optical telecommunication system using such a laser diode
03/20/2003US20030053499 Optical module
03/20/2003US20030053498 Semiconductor laser device
03/20/2003US20030053497 Laser support structure
03/20/2003US20030053496 Cooling block, ld device with the cooling block, and solid laser device having the ld device as excitation light source
03/20/2003US20030053495 Wavelength agile laser
03/20/2003US20030053211 Optical device
03/20/2003US20030053201 Low noise optical amplifier and optical communication system using the same
03/20/2003US20030053198 Gain control in nonlinear polarization amplifier stages
03/20/2003US20030053197 Optical device, optical module, optical amplifier, and optical transmission system
03/20/2003US20030053192 Co-propagating raman amplifiers
03/20/2003US20030053064 Wavelength detector and optical transmitter
03/20/2003US20030052960 Image recorder and light source unit
03/20/2003US20030052380 Optical device carrier
03/20/2003US20030052370 Semiconductor laser driving circuit and semiconductor laser driving method therefor
03/20/2003US20030052326 Semiconductor light-emitting device and method for fabricating the same
03/20/2003US20030052322 Nitride-based semiconductor light-emitting device and method of forming the same
03/20/2003US20030052317 Quantum circuit device and method for quantum operation
03/20/2003US20030052316 Gallium nitride based compound semiconductor light-emitting device
03/20/2003US20030052315 Semiconductor laser device
03/20/2003US20030052250 High-frequency current generating circuit and control device for controlling light intensity of laser diode
03/20/2003US20030052175 Method of and system for automatically producing digital images of moving objects, with pixels having a substantially uniform white level independent of the velocities of the moving objects
03/20/2003US20030052174 Laser module for bar code reader
03/20/2003US20030052169 Planar laser illumination and imaging (PLIIM) based camera system for producing high-resolution 3-D images of moving 3-D objects
03/20/2003US20030052105 Laser sintering apparatus
03/20/2003CA2459763A1 Method of manufacturing optical devices and related improvements
03/19/2003EP1294063A1 Indium-phoshpide-based vertical-cavity surface-emitting laser
03/19/2003EP1292855A1 Horizontal access semiconductor photo detector
03/19/2003EP1143582B1 Gain-coupled distributed feedback semiconductor laser
03/19/2003EP0956601B1 Optoelectronic semiconductor component
03/19/2003CN1404641A Nitride semiconductor Laser device
03/19/2003CN1404640A Integrated wavelength monitor
03/19/2003CN1404193A 自动激光功率控制电路及其开关控制电路 Automatic laser power control circuit and the switch control circuit
03/19/2003CN1404192A Method for forming third main group nitride semiconductor layer and semiconductor device
03/19/2003CN1404191A Semiconductor laser device and producing method thereof
03/19/2003CN1404046A Semiconductor laser drive circuit and semiconductor laser driving method