Patents
Sitemap › H01 - Basic electric elements › H01S - Devices using stimulated emission › H01S 5 - Semiconductor lasers
Patents for H01S 5 - Semiconductor lasers (52,420)
04/1990
04/10/1990US4916709 Semiconductor laser device
04/10/1990US4916708 Semiconductor light-emitting devices
04/10/1990US4916706 Excitation system for exciting a semiconductor laser device
04/10/1990US4916705 Random-access digitally-tuned coherent optical receiver
04/10/1990CA1267713A1 Semiconductor laser device
04/10/1990CA1267712A1 Mask flow method of forming a variable width channel
04/05/1990WO1990003591A1 Dual mode light emitting diode/detector diode for optical fiber transmission lines
04/05/1990DE3932277A1 Micro-electronic semiconductor device with lattice adaptation - by superlattice for contact area between them and with alternative material removed where devices are made in one of materials
04/04/1990EP0362078A2 Optical bistable laser diode and a controlling method thereof
04/04/1990EP0361603A2 A method of manufacturing a semiconductor device having a waveguide structure
04/04/1990EP0361602A2 A light emitting device
04/04/1990EP0361399A2 Semmiconductor laser array including lasers with reflecting means having different wavelength selection properties
04/04/1990EP0361151A2 Device for generating an FSK-modulated optical signal with two different polarisation states for an optical transmission system with an optical heterodyne FSK receiver having two filters
04/04/1990EP0361035A2 Semiconductor laser device and method for its operation
04/03/1990US4914670 Distributed bragg reflector type semiconductor laser
04/03/1990US4914669 Semiconductor laser array apparatus
04/03/1990US4914668 Semiconductor laser including a reflection film
04/03/1990US4914667 Hybrid laser for optical communications, and transmitter, system, and method
04/03/1990US4914666 Random-access digitally -tuned optical frequency synthesizer
04/03/1990US4914665 Broadband-tunable external fiber-cavity laser
04/03/1990US4913548 Solid state fiber optic semiconductor ring laser gyro apparatus with non-optical readout
04/03/1990US4913525 Frequency stabilized light source
03/1990
03/28/1990EP0360011A2 Tunable DFB laser
03/28/1990EP0359967A2 External optical resonator for a semiconductor laser
03/27/1990US4912717 Apparatus for controlling the amount of laser light and laser light monitoring method
03/27/1990US4912715 Semiconductor laser module incorporating driver circuit therein
03/27/1990US4912714 Apparatus for driving a semiconductor laser device
03/27/1990US4912533 End face light emitting element
03/27/1990US4912526 Optical frequency synthesizer/sweeper
03/27/1990US4911765 Forming mesa of different widths on substrates; forming photoactive material by liquid phase epitaxy
03/27/1990US4911516 Optical device with mode selecting grating
03/27/1990US4911512 Waveguide type optical head
03/22/1990WO1990003055A1 Light emitting device and method of producing the same
03/22/1990WO1990003054A1 Wavelength stabilized source of light
03/22/1990DE3926053A1 Flaechenemissions-laser Flaechenemissions-laser
03/21/1990EP0359542A2 A semiconductor laser device
03/21/1990EP0359329A2 Wide band gap semiconductor light-emitting devices
03/21/1990EP0358842A2 Semiconductor laser device and method of manufacturing same
03/20/1990US4910745 Semiconductor laser device
03/20/1990US4910744 Buried heterostructure semiconductor laser device
03/20/1990US4910743 Semiconductor laser with mesa stripe waveguide structure
03/20/1990US4910741 Laser diode source assembly
03/20/1990US4910738 Short optical pulse generators using mode-locked semiconductor lasers oscillating in transverse magnetic modes
03/20/1990US4910166 Reflective coating on semiconductor laser
03/14/1990EP0358593A2 Method for and apparatus made by interfacing an optical fiber to an optical source
03/14/1990EP0358569A1 Method of producing a semiconductor laser with a high output power, a broad pass-band and a buried strip-like BRS structure
03/14/1990EP0358227A2 Semiconductor laser device
03/14/1990EP0358144A1 Semiconductor laser modulated at a high frequency
03/14/1990EP0357799A1 Method and apparatus for modulating a semiconductor laser
03/13/1990US4908833 Distributed feedback laser for frequency modulated communication systems
03/13/1990US4908832 High efficiency mode-matched solid-state laser with transverse pumping
03/13/1990US4908831 Buried type semiconductor laser device
03/13/1990US4908830 Buried type semiconductor laser device
03/13/1990US4907974 Method of growing a semiconductor device structure
03/08/1990WO1990002429A1 Multi-section tunable laser with differing multi-element mirrors
03/07/1990EP0357458A2 Luminescent device
03/07/1990EP0357426A2 Light quantity controlling apparatus
03/07/1990EP0357095A1 Method of manufacturing an optoelectronic device
03/06/1990US4907239 Semiconductor laser device
03/06/1990US4907238 Apparatus for the efficient wavelength conversion of laser radiation
03/06/1990US4907237 Optical feedback locking of semiconductor lasers
03/06/1990US4907236 Method of controlling the quantity of light in a selected range
03/06/1990US4907234 Monolithic laser diode structure for microwave generation
03/06/1990US4907055 Optical semiconductor device
03/06/1990US4906949 Monomode optical source and an optical amplifying device tuneable in the near infra red and application to selective and regeneration amplifying devices
03/06/1990US4906839 Hybrid surface emitting laser and detector
02/1990
02/28/1990EP0356302A1 Method and device for the optical filtration and photodetection of intensity-modulated signals
02/28/1990EP0356190A2 Photonic-integrated-circuit fabrication process
02/28/1990EP0356189A2 Semiconductor optical amplifier with shortened gain recovery time
02/28/1990EP0356135A2 A semiconductor laser device
02/28/1990EP0356059A2 Process for doping crystals of wide band gap semiconductors
02/27/1990US4905253 Distributed Bragg reflector laser for frequency modulated communication systems
02/27/1990US4905252 Ring laser cavities
02/27/1990US4905246 Specific aluminum, arsenic mole fraction at optical guiding layers positioned adjacent to the optical guiding layers and the quantum well active layer; maximized optical power output
02/27/1990US4905245 Semiconductor laser device and method of manufacturing same
02/27/1990US4905060 Light emitting device with disordered region
02/27/1990US4905059 Modulation doped radiation emitting semiconductor device
02/27/1990US4905057 Semiconductor devices
02/27/1990US4904617 Method for separating monolithically produced laser diodes
02/27/1990US4904045 Grating coupler with monolithically integrated quantum well index modulator
02/27/1990US4904041 Short optical pulse generator having a looped directional coupler external cavity
02/27/1990US4904036 Subassemblies for optoelectronic hybrid integrated circuits
02/20/1990US4903275 Phase modulation semiconductor laser array
02/20/1990US4903274 Semiconductor laser array device
02/20/1990US4903273 Laser diode control method and circuit
02/20/1990US4903088 Semiconductor laser with large bandgap connection layer
02/20/1990US4903045 X-Y plotter for non-perforated paper
02/20/1990US4902644 Preservation of surface features on semiconductor surfaces
02/20/1990US4902093 Laser diode to fiber reflective coupling
02/14/1990EP0354807A2 High efficiency mode-matched solid-state laser with trasverse pumping
02/14/1990EP0354776A2 Improvements in and relating to semiconductor lasers
02/14/1990CN1006835B Semiconductor laser
02/13/1990US4901330 Optically pumped laser
02/13/1990US4901329 Integrated laser arrays and support circuits
02/13/1990US4901328 Minimization of mode competition noise derived from unstable longitudinal mode transistion caused by temperature variations
02/13/1990US4901327 Transverse injection surface emitting laser
02/13/1990US4901326 Semiconductor laser device
02/13/1990US4901325 Semiconductor laser device
02/13/1990US4901324 Heat transfer device for cooling and transferring heat from a laser diode device and associated heat generating elements
02/13/1990US4901321 Optical waveguide made solid state material laser applying this waveguide
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