Patents
Patents for H01S 5 - Semiconductor lasers (52,420)
08/1999
08/18/1999EP0936706A1 Array type laser diode
08/18/1999EP0936509A2 Driving circuit and led head with constant turn-on time
08/18/1999EP0935759A1 Device noise measurement system
08/18/1999EP0770275B1 Diode-pumped high-powered solid state laser
08/18/1999CN1226089A High-efficiency intensified step-by-step high-lightness luminous diode and design method thereof
08/17/1999US5940684 Processing semiconductor wafer sequentially within a series of reactors whereby wafer is transferred to subsequent reactor through hermetically isolated passageways between each reactor
08/17/1999US5940569 Integrated optical element on a substrate of InP
08/17/1999US5940563 Receptacle optical module
08/17/1999US5940424 Semiconductor lasers and method for making the same
08/17/1999US5940423 Semiconductor laser, optical pickup device, and optical record and/or reproducing apparatus
08/17/1999US5940422 Laser with an improved mode control
08/17/1999US5940207 Wavelength converter
08/17/1999US5940206 Optical parametric diffuser
08/17/1999US5939773 Semiconductor laser package including a lead frame and plastic resin housing
08/17/1999US5939735 Semiconductor light emitting device
08/17/1999US5939734 Semiconductor light emitting device and method of fabricating the same
08/17/1999US5939733 Compound semiconductor device having a group III-V compound semiconductor layer containing therein T1 and As
08/12/1999WO1999040654A1 Method of optimizing the operation points of lasers and means for carrying out the method
08/12/1999WO1999040578A1 Integrated optical apparatus providing separated beams on a detector and associated methods
08/12/1999WO1999027620A3 Monolithically integrated laser array
08/12/1999DE19903204A1 Long wavelength vertical cavity laser with very low threshold currents and high efficiencies
08/12/1999CA2316820A1 Method of optimizing the operation points of lasers and means for carrying out the method
08/11/1999EP0935322A1 N-drive or p-drive vcsel array
08/11/1999EP0935321A1 Surface emission semiconductor laser
08/11/1999EP0935319A2 Surface-emitting laser device
08/11/1999EP0934545A1 Optical array for symmetrization of laser diode beams
08/11/1999CN1225767A Polarized light communication device, transmitter, laser, polarized light communication device for organism, reflected light detection and pulse wave detector
08/11/1999CN1225520A Semiconductor device and method of forming the same
08/10/1999US5937313 Method of forming quantum wire for compound semiconductor
08/10/1999US5937274 Fabrication method for AlGaIn NPAsSb based devices
08/10/1999US5937273 Fabricating compound semiconductor by varying ratio of stagnant layer thickness and mean free path of seed material
08/10/1999US5937120 Optical device
08/10/1999US5937118 Quantum synthesizer, THz electromagnetic wave generation device, optical modulation device, and electron wave modulation device
08/10/1999US5937114 Micro-photonics module with a partition wall
08/10/1999US5936994 Two-section complex coupled distributed feedback semiconductor laser with enhanced wavelength tuning range
08/10/1999US5936992 Method for selecting a semiconductor integrated optical modulator/laser light source device
08/10/1999US5936991 Near fields in flared MOPAs amplifiers and oscillators by lateral current tailoring
08/10/1999US5936990 A p-type inp layer (a first layer), an n-type inp layer (a second layer), a p-type inp layer (a third layer) and an n-type inp layer (a fourth layer) are laminated. impurity concentration continuously decreases from the second layer or
08/10/1999US5936989 Quantum cascade laser
08/10/1999US5936987 Laser beam emitting apparatus
08/10/1999US5936986 Methods and apparatus for driving a laser diode
08/10/1999US5936985 Method for stabilizing output of higher harmonic waves and short wavelength laser beam source using the same
08/10/1999US5936982 Variable wavelength laser light source
08/10/1999US5936929 Optical submodule and method for making
08/10/1999US5936266 Semiconductor devices and methods with tunnel contact hole sources
08/10/1999US5935451 Fabrication of etched features
08/10/1999CA2071025C Semiconductor laser
08/05/1999WO1999039413A2 Ii-iv lasers having index-guided structures
08/05/1999WO1999039412A1 Semiconductor laser device
08/05/1999WO1999039411A1 A wavelength-selectable laser system using cavity resonance frequency, especially useful for fiber optic communication and wavelength division multiplexing
08/05/1999WO1999039409A1 Gaussian profile promoting cavity for semiconductor laser
08/05/1999WO1999039405A2 Semiconductor laser chip
08/05/1999WO1999039188A1 Method of spectrochemical analysis of impurity in gas
08/05/1999CA2318758A1 Gaussian profile promoting cavity for semiconductor laser
08/05/1999CA2285390A1 Semiconductor laser apparatus
08/04/1999EP0933971A2 Light emitting element drive apparatus
08/04/1999EP0933845A2 Wavelength-variable light source apparatus
08/04/1999EP0933842A2 Semiconductor laser having electro-static discharge protection
08/04/1999EP0933625A2 Wavelength-variable light source apparatus
08/04/1999EP0932922A2 Two-level semiconductor laser driver
08/04/1999EP0777924B1 Current-apertured vertical-cavity laser
08/03/1999US5933751 Charging a group group iii donor impurity-coated group ii-vi single crystal and a group ii element for constituting the single crystal into a closed vessel and heating them without being in contact with each other
08/03/1999US5933705 Passivation and protection of semiconductor surface
08/03/1999US5933444 Monolithic semiconductor infrared emitter pumped by a switched solid microlaser
08/03/1999US5933443 Semiconductor laser
08/03/1999US5933442 Semiconductor laser
08/03/1999US5933265 Optical receiver module for an optical communication transmission system
08/03/1999US5932896 Nitride system semiconductor device with oxygen
08/03/1999US5932004 Semiconductor laser device having clad and contact layers respectively doped with MG and method for fabricating the same
08/03/1999CA2139709C Method of processing an epitaxial wafer of inp
08/03/1999CA2130172C Optical switching device
07/1999
07/31/1999CA2259802A1 Vertical cavity surface emitting laser
07/31/1999CA2257672A1 Pre-fusion oxidized and wafer-bonded vertical cavity laser
07/29/1999WO1999038235A1 Semiconductor laser module
07/29/1999WO1999030372A3 Opto-electronical component for the infrared wavelength range
07/29/1999WO1999018612A3 Wafer level integration of multiple optical elements
07/29/1999CA2285046A1 Semiconductor laser module
07/28/1999EP0932230A2 Article comprising a strain-compensated QC laser
07/28/1999EP0932061A2 Optical components having magnetic thin films for orientation and method of assembling same
07/28/1999EP0932057A1 Lightwave diffracting device
07/28/1999EP0931372A1 Optical communications system
07/28/1999EP0931371A1 Device and method for monitoring and controlling laser wavelength
07/28/1999EP0931332A1 Method for separating two material layers and electronic components produced therewith
07/28/1999EP0786100B1 Optical filter for a plurality of guided wavelengths
07/28/1999EP0563084B1 Optical device
07/28/1999CN1224260A Light emitting semiconductor element capable of suppressing change of driving current
07/27/1999US5930600 Diode-laser module with a bonded component and method for bonding same
07/27/1999US5930435 Optical filter device
07/27/1999US5930430 Fiberoptic signal transmission method
07/27/1999US5930280 Laser system with reduced power fluctuations for employment in applications requiring continuous stable light intensity delivery
07/27/1999US5930279 Diode laser device arranged in the form of semiconductor arrays
07/27/1999US5930278 Multi-wavelength laser-emitting component
07/27/1999US5930277 Power saving device for visible laser diode apparatus
07/27/1999US5930276 Method and device for providing temperature-stable optical feedback for optical packages
07/27/1999US5930022 Driving circuit for electro-absorption optical modulator
07/27/1999US5929518 Circuit board and method
07/27/1999US5929466 Algainn-based material, improvement of a buffer layer
07/27/1999US5929462 Semiconductor optical device having a strained quantum well structure
07/27/1999US5929461 Optical semiconductor device having a semiconductor laminate mirror
07/27/1999US5929430 Coupled opto-electronic oscillator