Patents
Patents for H01S 5 - Semiconductor lasers (52,420)
08/1992
08/05/1992EP0497052A1 Vertical cavity surface emitting lasers with transparent electrodes
08/04/1992US5136604 Apparatus and method for detecting the power level in single and multi-stripe integrated lasers
08/04/1992US5136603 Self-monitoring semiconductor laser device
08/04/1992US5136602 Optical semiconductor device
08/04/1992US5136601 Semiconductor laser
08/04/1992US5136598 Modulated high-power optical source
08/04/1992US5136347 Semiconductor structure
08/04/1992US5136345 Semiconductor layer comprising cyclically stacked narrow, intermediate, and wide band gap semiconductor films
08/04/1992US5136152 Hybrid optical pickup with integrated power emission and reading photodetectors
08/04/1992US5135605 Methods for making mirrors
08/04/1992CA1306010C Optical transmitter, optical receiver and optical transmission apparatus and control method of optical receiver
08/01/1992CA2059805A1 Semiconductor laser device driving circuit
07/1992
07/29/1992EP0496632A1 Optical modulator
07/29/1992EP0496444A1 Semiconductor diode laser with monitor diode
07/29/1992EP0496348A2 Multi-wavelength light detecting apparatuses having serially arranged grating directional couplers
07/29/1992EP0496301A1 Optical waveguide formed of compound semiconductor materials and process of its fabrication
07/29/1992EP0496030A2 Semiconductor light emitting device
07/29/1992EP0495874A1 Apparatus for stabilizing the wavelength of a signal-modulated light beam
07/29/1992CN1063172A Optical backplane interconnecting circuit boards
07/28/1992US5134671 Monolithic integrated optical amplifier and photodetector
07/28/1992US5134624 Method and apparatus for stabilizing oscillation frequency separation among a plurality of laser devices
07/28/1992US5134623 Apparatus for controlling intensity of laser beam emitted from semiconductor laser unit
07/28/1992US5134622 Diode-pumped optical parametric oscillator
07/28/1992US5134621 High gain semiconductor laser amplifier package
07/28/1992US5134446 Gallium arsenide, gallium indium arsenide
07/28/1992US5134091 Quantum effective device and process for its production
07/28/1992CA1305775C Diode laser with improved means for electrically modulating the emitted light beam intensity including turn-on and turn-off and electrically controlling the position of the emitted laser beam spot
07/23/1992WO1992012557A1 Laser beam generator
07/23/1992WO1992012536A1 AlGaAs NATIVE OXIDE
07/23/1992WO1992012453A1 Single crystal silicon arrayed devices for display panels
07/22/1992EP0495576A2 laser driver for an optical disk drive
07/22/1992EP0495559A1 Hybrid laser for optical communications
07/22/1992EP0495413A1 Light detecting apparatus having a diffraction grating
07/22/1992EP0495301A1 Method for making a semiconductor laser
07/21/1992US5132983 Optical logic using semiconductor ring lasers
07/21/1992US5132982 Optically controlled surface-emitting lasers
07/21/1992US5132981 Semiconductor optical device
07/21/1992US5132978 Laser amplifier
07/21/1992US5132525 Portable laser diode scanning head with aiming beam
07/21/1992US5132247 Quantum effective device and process for its production
07/15/1992EP0494766A2 Semiconductor lasers
07/15/1992EP0494765A2 Semiconductor lasers
07/15/1992EP0494514A2 Articles and systems comprising optically communicating logic elements
07/15/1992EP0494274A1 Monolithic semiconductor harmonic laser sources.
07/15/1992EP0279815B1 Quantum well laser with charge carrier density enhancement
07/14/1992US5131002 External cavity semiconductor laser system
07/14/1992US5131001 Monolithic semiconductor light emitter and amplifier
07/14/1992US5130999 Laser device
07/14/1992US5130844 Optical wavelength converter system
07/14/1992US5130531 Reflective photosensor and semiconductor light emitting apparatus each using micro Fresnel lens
07/14/1992US5130524 Apparatus for controlling intensity of laser beam emitted from semiconductor laser unit
07/14/1992CA1304970C Polarization maintaining fiber interferometer and method for source stabilization
07/09/1992WO1992011672A1 Device for stabilizing a laser light source
07/09/1992WO1992011550A1 Optical device
07/09/1992WO1992011547A2 Optical reflector structure, device, method of fabrication, and communications method
07/08/1992EP0494013A1 Method of manufacturing surface emitting semiconductor lasers and lasers obtained thereby
07/08/1992EP0493776A2 Semiconductor optical amplifier with wideband electrical response
07/07/1992US5128956 Semiconductor laser module with built-in optical isolator
07/07/1992US5128955 Method for the operation of a light amplifier having arcuately or, respectively, annularly guided radiation, particularly a ring laser diode
07/07/1992US5128951 Laser diode array and method of fabrication thereof
07/07/1992US5128950 Low noise pulsed light source using laser diode
07/07/1992US5128948 Laser device with monolithically integrated frequency changer
07/07/1992US5128728 Semiconductor superlattice infrared source
07/07/1992US5128276 Selective etching
07/07/1992US5128275 Controlling doping
07/07/1992US5127731 Stabilized two-color laser diode interferometer
07/07/1992CA1304832C Semiconductor device with current blocking layer
07/02/1992DE4041130A1 Solid-state laser generating single frequency and visible, pulsed beams - comprises laser diode pumped solid-state laser with electronic supply and regulating unit as well as optical head with adjusters
07/01/1992EP0493125A2 Semiconductor laser device
07/01/1992EP0493104A2 Laser arrays
07/01/1992EP0493055A2 High density, independently addressable, surface emitting semiconductor laser/light emitting diode arrays
07/01/1992EP0493051A1 Reflective type photo-interrupter
07/01/1992EP0492854A2 Apparatus comprising a laser adapted for emission of single mode radiation having low transverse divergence
07/01/1992EP0492480A2 A system for the generation of modulated optical signals
07/01/1992EP0492225A2 Device with two laserdiodes for the generation of light with two wavelengths
07/01/1992EP0492150A2 Polarization-tunable optoelectronic devices
07/01/1992EP0491777A1 Method for ascertaining mode hopping free tuning of resonance frequency and the q-value of an optical resonator and a device for carrying out the method
07/01/1992CA2057374A1 Semiconductor optical amplifier with wideband electrical response
06/1992
06/30/1992US5127081 Optical branching waveguide
06/30/1992US5127072 Laser module with compliant optical fiber coupling
06/30/1992US5127068 Apparatus for coupling a multiple emitter laser diode to a multimode optical fiber
06/30/1992US5127015 Driving circuit of a semiconductor laser
06/30/1992US5126826 Light-emitting or receiving device and method for preparing the same
06/30/1992US5126804 Light interactive heterojunction semiconductor device
06/30/1992US5126803 Broadband quantum well LED
06/30/1992US5125740 Method and apparatus for measuring optical constants of a thin film as well as method and apparatus for fabricating a thin film utilizing same
06/25/1992WO1992010867A1 Phase-locked array of reflectivity-modulated surface-emitting lasers
06/24/1992EP0491526A1 Slant plate type compressor with variable displacement mechanism
06/24/1992EP0491502A2 Vertical-cavity surface-emitting laser with non-epitaxial multilayered dielectric reflectors located on both surfaces
06/24/1992EP0491272A2 Optical transmitter
06/24/1992EP0491152A2 Semiconductor laser devices with a plurality of light emitting layers having different bands gaps and methods for driving the same
06/23/1992US5125000 Compact electronic pumping-type semiconductor laser
06/23/1992US5124996 Semiconductor laser element having a plurality of layers emitting lights of different wavelengths, and its driving method
06/23/1992US5124995 Gaas substrate with cladding and active layers of ALGAINP; mismatched lattices
06/23/1992US5124994 Light generating device
06/23/1992US5124281 Method of fabricating a photonics module comprising a spherical lens
06/23/1992US5124279 Integrated semiconductor laser producing light of different wavelengths at respective active regions
06/17/1992EP0490498A1 Optical scanning apparatus and method
06/17/1992EP0490274A2 Optical pulse oscillator and light frequency measuring apparatus using the same
06/17/1992EP0304462B1 Apparatus for optical wavelength division multiplexing