Patents
Sitemap › H01 - Basic electric elements › H01S - Devices using stimulated emission › H01S 5 - Semiconductor lasers
Patents for H01S 5 - Semiconductor lasers (52,420)
12/1990
12/18/1990US4978197 Beam-combining laser beam source device
12/18/1990CA1278023C Monitoring and controlling radiation source stability
12/16/1990CA2017732A1 Method for reducing facet reflectivities of semiconductor light sources and device thereof
12/13/1990WO1990015460A1 Frequency-doubled laser
12/12/1990EP0402249A1 Wavelength stabilized semiconductor laser
12/12/1990EP0402189A1 Optoelectronic device on a semi-insulating substrate
12/12/1990CA2018841A1 Semiconductor laser device
12/11/1990US4977570 Semiconductor laser array with stripe electrodes having pads for wire bonding
12/11/1990US4977569 Integrated semiconductor laser
12/11/1990US4977568 Semiconductor laser device
12/11/1990US4977567 Semiconductor laser arrangement for high output powers in the lateral fundamental mode
12/11/1990US4977565 Method and apparatus for stabilizing oscillation frequency separation among plural laser devices
12/11/1990US4977564 Controller for semiconductor laser light source
12/11/1990US4977561 Oscillation mode switching laser devices
12/11/1990US4976539 Diode laser array
12/11/1990US4976527 Beam-combining laser beam source device
12/11/1990US4976513 Tunable wavelength filter
12/11/1990CA1277756C Distributed-feedback laser having enhanced mode selectivity
12/11/1990CA1277701C Method and apparatus for stabilizing the spectral characteristics of a semiconductor laser diode
12/08/1990WO1990015461A1 Semiconductor light emitting device
12/08/1990CA2058937A1 Semiconductor light emitting device
12/06/1990WO1990015459A1 Precision temperature sensor
12/06/1990DE4005247A1 Optical device for laser diode beams feedback - reduces number of components and improves efficiency and picture quality
12/06/1990CA2033329A1 Precision temperature sensor
12/05/1990EP0401071A1 Localized-current semiconductor laser
12/05/1990EP0400880A2 Optical system including wavelength-tunable semiconductor laser
12/05/1990EP0400559A2 Semiconductor optical device
12/04/1990US4975923 Semiconductor diode laser array
12/04/1990US4975922 Titanium dioxide dielectric with high refractive index; aluminum oxide with low refractive index
12/04/1990CA1277439C Method for selective intermixing of layered structures composedof thin solid films
12/04/1990CA1277408C Process for forming a positive index waveguide
12/04/1990CA1277407C Nonplanar buried-heterostructure distributed-feedback laser
12/04/1990CA1277406C Semiconductor laser apparatus for optical head
12/04/1990CA1277364C Apparatus for obtaining derivative of characteristic curve, and method of controlling operation, of electronic devices
11/1990
11/30/1990CA2017912A1 Semiconductor optical device
11/29/1990DE3916964A1 Semiconductor laser with charge carrier extraction in mirror region - achieved by forming two contact zones coupled to voltage sources
11/29/1990DE3916962A1 Monolithically integrated laser diode-waveguide combination - forming branched planar closed curve
11/28/1990EP0399447A2 Plastic molded type semiconductor device
11/28/1990EP0399033A1 Method for producing semi-conductor lasers and lasers obtained by such method
11/28/1990EP0221946B1 Method and apparatus for generating coherent radiation
11/27/1990US4974233 Semiconductor laser device
11/27/1990US4974232 Semiconductor laser device
11/27/1990US4974231 Visible light semiconductor laser
11/27/1990US4974044 Devices having asymmetric delta-doping
11/27/1990US4974036 Semiconductor superlattice heterostructures on nonplanar substrates
11/27/1990US4973858 Resonant tunneling semiconductor devices
11/22/1990EP0398597A2 Improved hybrid package arrangement
11/22/1990EP0398135A2 Optoelectronic device
11/22/1990EP0398088A1 A semiconductor device for detecting or emitting a magnetic line of force or light and a mold for molding a package
11/22/1990EP0397691A1 Current injection laser
11/20/1990US4972427 Talbot cavity diode laser with uniform single-mode output
11/20/1990US4972352 Semiconductors lasers
11/20/1990US4972238 Semiconductor laser device
11/20/1990US4972094 Lighting devices with quantum electric/light power converters
11/20/1990US4971927 Reflection, epitaxial multilayer semiconductor lasers
11/20/1990US4971417 Radiation-hardened optical repeater
11/20/1990US4971415 Multibeam emitting device
11/17/1990CA2016883A1 Pulsed laser
11/15/1990WO1990013930A1 Solid-state laser with pump comprising laser diodes
11/14/1990EP0397089A1 Light isolator of waveguide type
11/14/1990EP0397045A2 Semiconductor laser
11/14/1990EP0396875A2 Method of stabilizing the frequency of semiconductor laser and apparatus therefor
11/14/1990EP0396704A1 Semiconductor light-emitting devices
11/13/1990CA2016623A1 Optoelectronic device
11/13/1990CA1276276C Semiconductor devices employing ti-doped group iii-v epitaxial layer
11/07/1990EP0396371A2 Random-access digitally-tuned optical frequency synthesizer
11/07/1990EP0396370A2 Random-access digitally-tuned coherent optical receiver
11/07/1990EP0396157A1 A semiconductor laser
11/06/1990US4969152 Photo-lasertransistor
11/06/1990US4969151 Semiconductor laser devices
11/01/1990WO1990013162A1 Cross-coupled quantum-well stripe laser array
11/01/1990WO1990013161A1 External cavity semiconductor laser
11/01/1990WO1990013158A1 Close packed, end face, diode pumped, fibre laser bundle, phased-array laser oscillator
11/01/1990WO1990000753A3 Optical components
10/1990
10/31/1990EP0395436A2 A semiconductor laser device, a semiconductor wafer, and a method for the production of the same
10/31/1990EP0395392A2 Semiconductor laser using five-element compound semiconductor
10/31/1990EP0395315A2 Electrically pumped vertical cavity laser
10/31/1990EP0395277A1 Optical amplifier gain control
10/31/1990DE3914001A1 Semiconductor laser diode with defined mode spectrum - uses interference points within laser active layer or adjacent layers
10/31/1990CN1046641A External cavity semiconductor laser
10/30/1990US4967417 Laser driving device provided with two reference signal sources, and optical information recording apparatus using the same device
10/30/1990US4967241 Semiconductor light emitting device
10/30/1990US4966863 Method for producing a semiconductor laser device
10/26/1990WO1990013163A1 High gain semiconductor laser amplifier package
10/24/1990EP0394167A2 Formation of laser mirror facets and integration of optoelectronics
10/24/1990EP0394027A2 Nonlinear optically active polymers
10/24/1990EP0393924A2 Devices having asymmetric delta-doping
10/24/1990EP0393317A2 Resonant tunneling semiconductor devices
10/24/1990EP0240400B1 Semiconductor optical waveguide, use of such a waveguide in a laser and method for its realization
10/23/1990US4965806 Semiconductor laser devices having lateral refractive index tailoring
10/23/1990US4965525 Angled-facet flared-waveguide traveling-wave laser amplifiers
10/23/1990CA1275485C Quantum well light emitting device with diffraction grating
10/21/1990CA2049943A1 External cavity semiconductor laser
10/21/1990CA2013112A1 Nonlinear optically active polymers
10/18/1990WO1990012279A1 Wavelength stabilization, in particular for interferometric measurement of length
10/17/1990EP0392714A2 A semiconductor laser device
10/16/1990US4964135 Semiconductor laser
10/16/1990US4964134 Semiconductor laser structures
10/16/1990US4963507 Method and manufacturing a laser diode with buried active layer
10/16/1990US4963003 Laser optical system
1 ... 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 ... 525