Patents
Patents for H01S 5 - Semiconductor lasers (52,420)
09/1992
09/17/1992DE4208168A1 Laser scanner control for electrophotographic printer - uses feedback from photodiode and input from humidity sensor to match power to conditions
09/16/1992EP0503729A2 Optoelectronic semiconductor device and method of manufacturing such a device
09/16/1992EP0503579A2 Broad linewidth lasers for optical fiber communication systems
09/16/1992EP0503399A2 Laser diode protective circuit for an optical transmission apparatus
09/16/1992EP0503211A1 Semiconductor device comprising a layered structure grown on a structured substrate
09/15/1992US5148504 Optical integrated circuit designed to operate by use of photons
09/15/1992US5148439 Semiconductor laser
09/15/1992US5148363 Breakdown diagnosing method of production line
09/15/1992US5147825 Waveguides
09/15/1992CA1307559C Method and apparatus for an oscillation frequency separation among a plurality of laser devices
09/12/1992CA2062153A1 Semiconductor device comprising a layered structure grown on a structured substrate
09/09/1992EP0502682A2 Polarization-selective integrated optoelectronic devices incorporating crystalline organic thin films
09/09/1992EP0502670A2 Laser diode array
09/09/1992EP0502442A2 Semiconductor luminous element and superlattice structure
09/09/1992CN1064340A Slant plate type compressor with variable displacement machanism
09/08/1992US5146513 Semiconductor optical device and array of the same
09/08/1992US5146467 Semiconductor laser device
09/08/1992US5146466 Layers of aluminum, gallium, indium and phosphorus compounds over gallium arsenide substrate; inclined surface
09/08/1992US5146465 Aluminum gallium nitride laser
09/08/1992US5146464 Semiconductor laser driver circuit
09/08/1992US5146185 Frequency standard
09/08/1992US5146078 Articles and systems comprising optically communicating logic elements including an electro-optical logic element
09/08/1992US5145807 Forming aluminum, gallium, and arsenic intermetallic cladding and active layers; etching
09/08/1992US5145792 Forming quantum well structure and rib waveguide layers on substrate by epitaxy; disordering, embedding
09/03/1992WO1992015124A1 Low-loss dielectric resonant devices
09/02/1992EP0501872A1 Positive feedback device for optical signal processing
09/02/1992EP0501871A1 Semiconductor laser with saturable absorber
09/02/1992EP0501862A1 Method of producing a strip-buried semiconductor laser using dry etching to form this strip and a laser obtained by this method
09/02/1992EP0501751A1 Method of producing optical integrated circuit
09/02/1992EP0501686A1 Fabrication of aluminium-containing semiconductor devices by metal-organic molecular-beam-epitaxy
09/02/1992EP0501246A2 Opto-electronic switch device
09/02/1992EP0500962A1 Quantum-well-type semiconductor laser element
09/02/1992EP0500925A1 New structure and method for fabricating indium phosphide/indium gallium arsenide phosphide buried heterostructure semiconductor lasers
09/02/1992EP0500529A1 Angled-facet flared-waveguide traveling-wave laser amplifiers
09/01/1992US5144637 Inline diplex lightwave transceiver
09/01/1992US5144636 Laser beam oscillating apparatus
09/01/1992US5144635 Semiconductor laser device having reflectance control film formed on end facet of oscillator
09/01/1992US5144634 Method for mirror passivation of semiconductor laser diodes
09/01/1992US5144633 Semiconductor laser and manufacturing method thereof
09/01/1992US5144631 Semiconductor laser drive device
09/01/1992US5144616 Laser diode and multibeam optical head using the laser diode
09/01/1992US5144409 Isotopically enriched semiconductor devices
09/01/1992US5144261 Optically injection locked resonant tunnel diode oscillator
09/01/1992US5143864 Lamination a substrate with different conductivity types masking, etching and removal of layers
09/01/1992US5143863 Aluminum, gallium, indumium phosphide cladding layer on alloy of gallium arsenide, blocking layer
08/1992
08/29/1992CA2059408A1 Fabrication of aluminum-containing semiconductor devices
08/26/1992EP0500357A2 Optical fiber dispersion-compensating device
08/26/1992EP0500351A2 Semiconductor laser
08/26/1992EP0500240A1 Optical package for use in high speed applications
08/26/1992EP0500002A1 Laser optics
08/26/1992EP0499659A1 Surface emitting semiconductor laser array structure with vertical resonator without substrate
08/26/1992EP0380505B1 Laser diode output power stabilization in a laser image setter
08/25/1992US5142408 Optical amplifier
08/25/1992US5141549 Method of fabricating rare earth doped planar optical waveguide for integrated optical circuit
08/20/1992WO1992014286A1 Semiconductor diode laser
08/20/1992WO1992014174A1 Polarization-dependent and polarization-diversified opto-electronic devices using a strained quantum well
08/19/1992EP0499293A2 A pulse amplifier suitable for use in a semiconductor laser driving device
08/18/1992US5140657 Diffraction optical coupler
08/18/1992US5140653 Optical head for a laser printer
08/18/1992US5140608 Optical system for focusing a light beam on to an image plane
08/18/1992US5140607 Side-pumped laser with angled diode pumps
08/18/1992US5140605 Thermally stabilized diode laser structure
08/18/1992US5140603 Overmodulation protection for amplitude modulated laser diode
08/18/1992US5140601 Output control apparatus of laser unit and adjusting method thereof
08/18/1992US5140599 Optical oscillator sweeper
08/18/1992US5140384 Hermetically sealed in cap with thermosetting resin, alumina and calcium carbonate
08/18/1992US5140175 Light-emitting diode drive circuit with fast rise time and fall time
08/18/1992US5140152 Full duplex optoelectronic device with integral emitter/detector pair
08/18/1992US5140149 Optical apparatus using wavelength selective photocoupler
08/18/1992CA1306534C Semiconductor light emission system
08/18/1992CA1306374C Semiconductor heterointerface optical waveguide
08/14/1992WO1992015136A1 Semiconductor laser
08/14/1992CA2103720A1 Semiconductor laser
08/13/1992WO1992014287A1 External cavity semiconductor laser system
08/13/1992CA2103807A1 External cavity semiconductor laser system
08/13/1992CA2060904A1 Method and means for controlling the frequency and power output of a tunable diode laser
08/12/1992EP0498736A2 Dfb laser diode having a modified profile of linewidth enhancement factor
08/12/1992EP0498695A1 Method of producing a planar stripe-buried semiconductor laser
08/12/1992EP0498575A2 Stabilized two color laser diode interferometer
08/12/1992EP0498430A2 Frequency-multiplex optical transmission apparatus
08/12/1992EP0498169A1 Opto-electronic device for coupling and uncoupling of radiation
08/12/1992EP0388410B1 Laser arrangement with at least one laser resonator coupled with a passive resonator
08/11/1992US5138628 Power laser with active mirror
08/11/1992US5138626 Ridge-waveguide buried-heterostructure laser and method of fabrication
08/11/1992US5138625 Quantum wire semiconductor laser
08/11/1992US5138624 Multiwavelength LED and laser diode optical source
08/11/1992US5138623 Semiconductor laser control device
08/11/1992US5138491 Beam-combining laser beam source device
08/11/1992US5138404 Double heterojunction of same conductivity type; high carrier density region; good ohmic contact; low operating voltage
08/11/1992US5137844 Process to adjust output of light emitters
08/06/1992WO1992013369A1 Coplanar waveguide bridge
08/06/1992WO1992013363A2 Light emitting diode bars and arrays and method of making same
08/05/1992EP0497666A1 Waveguide electro-optic device
08/05/1992EP0497644A1 Lithographic process for semiconductor substrate, specifically for the treatment of a protrusion
08/05/1992EP0497432A1 An apparatus for driving a semiconductor laser device
08/05/1992EP0497431A1 An apparatus for driving a semiconductor laser device
08/05/1992EP0497375A2 Wavelength converter
08/05/1992EP0497358A1 Integrated optical device for demultiplexing various channels of different wavelengths and method of manufacturing therefor
08/05/1992EP0497350A1 Crystal growth method for gallium nitride-based compound semiconductor
08/05/1992EP0497270A2 Semiconductor laser device driving circuit