Patents
Sitemap › H01 - Basic electric elements › H01S - Devices using stimulated emission › H01S 5 - Semiconductor lasers
Patents for H01S 5 - Semiconductor lasers (52,420)
06/1991
06/27/1991WO1991009432A1 Impedance-matching coupler
06/27/1991WO1991009425A1 Method of manufacturing a solid-state device and solid-state device, particularly semiconductor device
06/27/1991WO1991007010A3 Optical amplifier
06/26/1991EP0434528A1 Method for making an optoelectronic amplification device and applications in various optoelectronic devices
06/26/1991EP0434466A2 Stabilized-feedback control device for semiconductor lasers
06/26/1991EP0434236A2 Frequency division multiple access network
06/26/1991EP0434068A1 Semiconductor layer comprising cyclically stacked narrow, intermediate and wide band gap semiconductor films
06/26/1991EP0433991A2 Fabrication process of laser structures with lateral confinement at very low threshold current
06/26/1991EP0433542A2 Optoelectronic devices
06/26/1991CN1052576A Semiconductor diode laser and method of manufacturing such laser
06/25/1991US5027368 Semiconductor laser device
06/25/1991US5027364 Laser diode with buried active layer and lateral current limitation
06/25/1991US5027363 Semiconductor laser
06/25/1991US5027362 Laser control method and circuitry
06/25/1991US5027359 Miniature Talbot cavity for lateral mode control of laser array
06/25/1991US5027164 Multilayer
06/25/1991US5026662 Undercutting mesa structures
06/25/1991US5026138 Multi-fiber alignment package for tilted facet optoelectronic components
06/25/1991US5026134 Optical communication apparatus with base for fixing elements
06/19/1991EP0433122A1 Laser device with ring resonator
06/19/1991EP0433051A2 A semiconductor laser device and a method of producing the same
06/19/1991EP0432843A1 Semiconductor diode laser and method of manufacturing such a laser
06/19/1991EP0432150A1 Laser diode with buried active layer and lateral current limiting and process for its manufacture.
06/19/1991EP0246270B1 Multilayer ceramic laser package
06/18/1991US5025487 System for transmitting information on interferometrically generated optical carriers
06/18/1991US5025451 Two-dimensional integrated laser array
06/18/1991US5025450 Semiconductor laser device
06/18/1991US5025449 Optical pumping-type solid-state laser apparatus with a semiconductor laser device
06/18/1991US5025448 Optical energy absorption medium including isotope acetylene gas molecule
06/18/1991US5025447 Drive circuit and method for setting a control signal of a semiconductor laser
06/18/1991US5025305 Semiconductor device for detecting or emitting a magnetic line of force or light
06/18/1991US5025142 Light waveform changing apparatus using an optical amplifier
06/18/1991US5024967 Doping procedures for semiconductor devices
06/18/1991US5024966 Improved impedance matching between optical device and high frequency modulation current source
06/18/1991US5024853 Method to control the thickness of an antireflection coating and implementation installation
06/18/1991US5024726 Method for producing a λ/4 shift type diffraction grating
06/18/1991US5024535 Semiconductor light source temperature measurement
06/18/1991CA1285057C Method of manufacturing a distributed feedback type semiconductor device
06/12/1991EP0432035A1 Quantum well optical device and production process
06/12/1991EP0431974A2 Light beam deflector
06/12/1991EP0431840A2 Ultra-short optical pulse source
06/12/1991EP0431832A2 Apparatus and method for controlling the operation of a semiconductor device
06/12/1991EP0431698A2 Actively phase matched frequency doubling optical waveguide and frequency doubling system
06/12/1991EP0431619A2 Laser device
06/12/1991EP0431527A2 Optical coupling device using wavelength selective optical coupler
06/12/1991CN1052221A Light-emitting or receiving device and method for preparing same
06/11/1991US5023950 Optical transmitter, optical receiver and optical transmission apparatus and control method of optical receiver
06/11/1991US5023949 Apparatus for generating an FSK-modulated optical signal having two different polarization conditions for an optical transmission system having an optical two-filter FSK super-heterodyne receiver
06/11/1991US5023944 Optical resonator structures
06/11/1991US5023885 External optical resonator for a semiconductor laser
06/11/1991US5023882 Phased locked arrays with single lobe output beam
06/11/1991US5023881 Optical
06/11/1991US5023880 Indium-gallium-aluminum phosphide layers; precise control
06/11/1991US5023879 Optically pumped step quantum well IR source
06/11/1991US5023878 Apparatus comprising a quantum well device and method of operating the apparatus
06/11/1991US5023199 Method of diffusing Zn into compound semiconductor
06/11/1991US5023198 Embedding surfaces containing groove patterns by controlled heating to cause transfer of materials from epitaxial layers
06/11/1991US5022752 Echo cancelling circuit for use with laser
06/11/1991CA1284836C Opto-electronic directional switch
06/07/1991CA2031445A1 Laser device
06/05/1991EP0430911A1 Optical coupling device
06/05/1991EP0430691A2 Semiconductor heterostructures
06/05/1991EP0430231A2 Method of optical transmission and optical transmitter used in the same
06/05/1991EP0430124A1 Optically double-coupled device, especially for fibre-optic transmission system
06/05/1991EP0429979A2 Bandgap tuning of semiconductor quantum well structures
06/04/1991US5022043 High power diode-pumped solid state laser with unstable resonator
06/04/1991US5022042 High power laser array with stable wavelength
06/04/1991US5022038 Optical signal
06/04/1991US5022037 Multi-layered
06/04/1991US5022036 Multi-layered crystal structure
06/04/1991US5022035 Semiconductor laser device
06/04/1991US5021641 Hand-held bar code scanner with jointly mounted scanning mirrors
06/04/1991US5021361 Epitaxial growth of multilayer
06/04/1991US5021360 Molecular beam epitaxial growth of multilayer
06/04/1991CA1284683C Optical amplifiers
06/04/1991CA1284676C Optical transmission apparatus
05/1991
05/31/1991CA2031090A1 Bandgap tuning of semiconductor quantum well structures
05/30/1991WO1991007788A1 Laser diode with built-in signal detector
05/30/1991WO1991007787A1 Angled-facet flared-waveguide traveling-wave laser amplifiers
05/29/1991EP0428913A2 Coupled quantum well strained superlattice structure and optically bistable semiconductor laser incorporating the same
05/28/1991US5020153 Tunable narrowband receiver utilizing distributed Bragg reflector laser structure
05/28/1991US5020072 Semiconductor laser device
05/28/1991US5020068 Semiconductor laser device
05/28/1991US5020067 Semiconductor laser device
05/28/1991US5020066 Surface-emitting-type semiconductor laser device
05/28/1991US5020065 Semiconductor laser device
05/28/1991US5020049 Optical sub-carrier multiplex television transmission system using a linear laser diode
05/28/1991US5019787 Optical amplifier
05/28/1991US5019769 Semiconductor laser diode controller and laser diode biasing control method
05/28/1991US5019519 Method for the manufacture of optical semiconductor device
05/28/1991US5018831 Optical resonant device
05/28/1991US5018820 Method of optically coupling an uptapered single-mode optical fiber to optoelectronic components
05/22/1991EP0428016A2 Laser diode modulation current control
05/22/1991EP0427905A2 Grid-inserted quantum structure
05/22/1991EP0427849A1 Precision temperature sensor
05/21/1991US5018159 Divided electrode type semiconductor laser device
05/21/1991US5018158 Semiconductor laser device
05/21/1991US5018157 Vertical cavity semiconductor lasers
05/21/1991US5018156 Semiconductor laser apparatus
05/21/1991US5018155 Semiconductor laser driving apparatus to be used for optical information recording and reproducing apparatus
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