Patents
Patents for H01S 5 - Semiconductor lasers (52,420)
05/1989
05/18/1989WO1989004558A1 Laser arrangement with at least one laser resonator coupled with a passive resonator
05/17/1989EP0316194A1 A tunable wavelength filter
05/16/1989US4831631 Laser transmitter comprising a semiconductor laser and an external resonator
05/16/1989US4831630 Phased-locked window lasers
05/16/1989US4831629 Incoherent, optically coupled laser arrays with increased spectral width
05/16/1989US4831626 Laser beam recording apparatus
05/16/1989US4830986 Laser manufacture
05/16/1989CA1254294A1 Stripline mount for semiconductor lasers
05/10/1989EP0315512A1 Optical dynamic interconnection device for integrated circuits
05/10/1989EP0315387A2 Method of diffusing Si into compound semiconductor and compound semiconductor device
05/09/1989US4829535 Variable wavelength semiconductor laser
05/09/1989US4829534 Semiconductor laser device having a semiconductor region for creating a depletion layer in a laser active layer for controlling current flow therethrough
05/09/1989US4829533 Frequency and output regulation in laser diodes
05/09/1989US4829531 External resonator type semiconductor laser
05/09/1989US4829346 High performance and reliability
05/09/1989US4829023 Method of producing a semiconductor laser
05/09/1989CA1253946A1 Semiconductor laser device
05/09/1989CA1253945A1 Semiconductor laser
05/09/1989CA1253943A1 Optical amplifier
05/03/1989EP0314490A2 Semiconductor laser
05/03/1989EP0314390A1 Semiconductor laser control circuit
05/03/1989EP0314373A2 Lightwave systems using optical amplifiers
05/03/1989EP0314372A2 Current confinement and blocking region for semiconductor devices
05/02/1989US4827483 Semiconductor laser device and method of fabricating the same
05/02/1989US4827482 Phase-locked semiconductor laser arrays
05/02/1989US4827481 Laser diode drive system for multione image forming apparatus
05/02/1989US4827116 Square wave modulation circuit for laser diode
05/02/1989US4826282 Optical communications laser including a resonator filter
05/02/1989US4826269 Diode laser arrangement forming bright image
05/02/1989CA1253608A1 Phase-locked semiconductor laser array and a method of making same
04/1989
04/26/1989EP0313383A2 Apparatus and Method for Detecting Mode-Hopping in Semiconductor Lasers
04/25/1989US4825442 Planar optical logic
04/25/1989US4825262 Fabry-perot interferometer
04/25/1989US4825081 Light-activated series-connected pin diode switch
04/25/1989US4825064 Apparatus for energizing a semiconductor laser array having a plurality of light beam emitting points
04/25/1989US4825057 Portable laser diode scanning head
04/25/1989US4824747 Method of forming a variable width channel
04/20/1989WO1989003602A1 Bulk avalanche semiconductor laser
04/20/1989WO1989003539A1 Optical package
04/19/1989EP0312401A2 Semiconductor devices and method of manufacturing the same
04/19/1989EP0197117B1 Multiple wavelength light emitting devices
04/18/1989US4823357 Diffraction limited dichroic combiner diode laser
04/18/1989US4823353 Semiconductor laser array apparatus
04/18/1989US4823352 Semiconductor laser with a variable oscillation wavelength
04/18/1989CA1252695A1 Deposition technique
04/12/1989EP0311445A2 A semiconductor laser device and a method for the production of the same
04/12/1989EP0311444A2 A semiconductor laser device
04/12/1989EP0311279A1 Semiconductor laser driving device for stabilizing the optical output thereof
04/11/1989US4821278 Blocking layer confines current flow and guides light; high power output
04/11/1989US4821277 Super-luminescent diode
04/11/1989US4821276 Super-luminescent diode
04/11/1989US4821275 Laser diode
04/11/1989US4821274 Electro-optical semiconductor device and a method of emitting light
04/11/1989US4821273 Wavelength/output power stabilizing apparatus of semiconductor laser
04/11/1989US4820659 Forming mounting plate by photolithography and etching; attaching one surface to header, other to semiconductor
04/11/1989US4820655 Method for manufacturing semiconductor optical integrated device with optical waveguide regions
04/11/1989US4820010 Bright output optical system with tapered bundle
04/06/1989DE3732822A1 Laser diode with index guidance, especially a laser diode array having a waveguide structure
04/06/1989DE3732625A1 Monomode laser transmitter
04/05/1989EP0310402A1 Pulley type continuously-variable speed-shifting device
04/05/1989EP0310038A2 Surface emitting type semiconductor laser
04/05/1989EP0309885A2 Laser module and method for coupling of an optical fiber
04/05/1989EP0309791A1 Fast control circuit for a semiconductor laser diode
04/05/1989EP0309744A2 Arrangement with a thin-film waveguide extending in a flat manner
04/05/1989EP0309531A1 Monolithic monomode waveguide isolator and application to a semiconductor laser.
04/04/1989US4819245 Semiconductor laser device having substriped channels for forming an active layer which is thin in an inside portion
04/04/1989US4819244 Semiconductor laser device
04/04/1989US4819243 Semiconductor laser with active layer having a radiation emitting active region therein which extends through and is bounded by a current limiting blocking layer
04/04/1989US4819242 Semiconductor laser driver circuit
04/04/1989US4819241 Precooled pouch
04/04/1989US4819240 Light modulator
04/04/1989US4819048 Optoelectronic bistable apparatus
04/04/1989US4819036 With superlattices of group iii-v binary crystals
04/04/1989US4818722 Method for generating a strip waveguide
04/04/1989US4818062 Optical system with bright light output
04/04/1989US4818053 Optical bench for a semiconductor laser and method
04/04/1989US4817849 Method for bonding semiconductor laser element and apparatus therefor
04/04/1989CA1252188A1 Single mode injection laser structure
03/1989
03/29/1989EP0308603A1 Dynamic monomode laser emitter
03/28/1989US4817207 Optical communication system utilizing phase modulation
03/28/1989US4817110 Semiconductor laser device
03/28/1989US4817109 External resonator type semiconductor laser apparatus
03/28/1989US4817106 Coupled waveguide injection laser
03/28/1989US4817105 Integrated laser device with refractive index modulator
03/28/1989US4817104 Semiconductor laser array device
03/28/1989US4817103 Semiconductor light emitting device with stacked active regions
03/28/1989US4817102 Acousto-electromagnetic hologistic resonant system
03/28/1989US4817100 Monitoring and controlling source stability
03/28/1989US4817098 Semiconductor laser driver system
03/28/1989US4817097 Method of and device for pulse-mode driving a semi-conductor laser
03/28/1989US4816660 For reading symbols
03/28/1989US4816420 Method of producing tandem solar cell devices from sheets of crystalline material
03/28/1989CA1251846A1 Laser light source device
03/28/1989CA1251845A1 Optical amplification
03/28/1989CA1251831A1 Frequency referencing system and method
03/22/1989EP0308082A2 Edge emitting light emission diode
03/22/1989EP0308058A2 Power supply
03/22/1989EP0308017A1 DCPBH laser having a high temperature stability
03/22/1989EP0307980A2 A control circuit for a laser printer
03/22/1989EP0307908A2 X-Y plotter