Patents
Sitemap › H01 - Basic electric elements › H01S - Devices using stimulated emission › H01S 5 - Semiconductor lasers
Patents for H01S 5 - Semiconductor lasers (52,420)
06/1990
06/19/1990US4935930 Laser light source for generating beam collimated in at least one direction
06/19/1990US4934784 Hybrid active devices coupled to fiber via spherical reflectors
06/19/1990CA1270561A1 Optical memory device comprising a semiconductor laser having bistability and two injection current sources
06/15/1990CA2005555A1 Inp/gainasp double heterostructure laser diodes containing built-in closing p-n junctions on a double channeled substrate, with buried active layer and its production by means of the one-step liquid phase epitaxy
06/14/1990WO1990006608A1 Method for producing semi-conductor lasers and lasers obtained by such method
06/13/1990EP0372448A1 Optical module with an integrated isolator for coupling a semiconductor laser to a light guide
06/13/1990EP0372421A2 Light-emitting element made of a compound semiconductor
06/13/1990EP0372394A1 Superluminescent diode
06/12/1990US4933728 Semiconductor optical device
06/12/1990US4933649 Coherent aperture filling of an array of lasers
06/12/1990US4933302 Interface of laser diode and dielectric sidewall
06/12/1990US4933301 Method of forming a semiconductor laser
06/12/1990CA1270318A1 Semiconductor laser with spatial fluctuation of potential
06/06/1990EP0371554A1 Electroluminescent diode having a low capacitance
06/06/1990EP0371379A2 Electrically tunable semiconductor laser with a ridge waveguide
06/05/1990US4932034 Distributed feedback semiconductor laser device and current injection
06/05/1990US4932033 Semiconductor laser having a lateral p-n junction utilizing inclined surface and method of manufacturing same
06/05/1990US4932032 Tapered semiconductor waveguides
06/05/1990US4932030 Frequency stabilization of long wavelength semiconductor laser via optogalvanic effect
06/05/1990US4930857 Hybrid package arrangement
06/05/1990US4930504 Device for biostimulation of tissue and method for treatment of tissue
05/1990
05/31/1990DE3939309A1 Laser-beam generating structural unit with current converter - consists of switched resistances parallel to constant voltage source for optimal loading of photo diode detector
05/31/1990DE3839537A1 Method for measuring the rate of a radiation and arrangement for carrying out this method
05/30/1990EP0370831A2 Divided electrode type semiconductor laser device
05/30/1990EP0370830A2 Semiconductor laser device having a plurality of active layers
05/30/1990EP0370739A2 Multichannel cavity laser
05/30/1990EP0370443A1 Tunable semiconductor laser
05/29/1990US4930134 Laser control system
05/29/1990US4930133 Multiple laser frequency stabilization
05/29/1990US4930132 Second harmonic wave generating device having active layer and second harmonic wave generating layer on same substrate
05/29/1990US4929571 Method of making a buried crescent laser with air gap insulator
05/29/1990CA1269748A1 Method of forming a variable width channel
05/23/1990EP0369856A1 Optoelectronic device with a high output, and its production method
05/23/1990EP0369609A2 A semiconductor laser device and a method of producing same
05/23/1990EP0368925A1 Light amplifier with ring-shaped guided beam, in particular ring laser diode.
05/22/1990US4928285 Impurity-doped semiconductor laser device for single wavelength oscillation
05/22/1990US4928282 Laser generator with phase mode-locking
05/22/1990US4928277 Method and apparatus for driving laser beam source to avoid droop effects
05/22/1990US4928248 Light source driving device
05/22/1990US4927266 Optical signal generating apparatus and optical power meter calibrating system using the same
05/22/1990US4927228 Optoelectronic arrangement having a coupling between an optical transmission fibre and a semiconductor laser diode
05/16/1990EP0368578A2 A semiconductor laser device
05/16/1990EP0368087A2 GaAlInAs semiconductor laser
05/15/1990US4926433 Semiconductor laser unit
05/15/1990US4926432 Semiconductor laser device
05/15/1990US4926431 Semiconductor laser device which is stable for a long period of time
05/15/1990US4926429 Lightwave communication system having sources independently synchronized to an absolute frequency standard
05/15/1990US4925811 Multilayer epitaxy
05/10/1990DE3837875A1 Process for the production of grating structures having sections which are mutually offset by half a grating period
05/10/1990DE3837874A1 Process for the production of grating structures having sections which are mutually offset by half a grating period
05/09/1990EP0367300A2 Portable laser diode scanning head
05/09/1990EP0367299A2 Portable laser diode scanning head
05/09/1990EP0367298A2 Portable laser diode scanning head
05/09/1990EP0367292A2 Compound semiconductor substrate
05/09/1990EP0366984A2 Laser diode focusing module for divergent light source
05/08/1990US4924476 Traveling wave semi-conductor laser
05/08/1990US4924473 Laser diode protection circuit
05/08/1990US4924471 Method for increasing the output power of a laser diode
05/08/1990US4924470 Laser diode control apparatus
05/08/1990US4923291 Optical amplification
05/08/1990US4923281 Laser diode focusing module, method of fabricating, and method of using
05/08/1990US4923270 Apparatus for optical wavelength division multiplexing
05/08/1990CA1268847A1 Laser controlled by a multiple layer heterostructure
05/08/1990CA1268846A1 Semiconductor laser with mesa structure
05/03/1990WO1990004867A1 Optical feedback control in the frequency conversion of laser diode radiation
05/03/1990WO1990004799A1 Package for an opto-electronic component
05/02/1990EP0366472A2 Semiconductor laser apparatus
05/02/1990EP0366135A2 Semiconductor laser arrangement for high output power in the lateral dominant mode
05/02/1990EP0365994A2 Controlled semiconductor laser
05/01/1990US4922500 Cross-coupled quantum-well stripe laser array
05/01/1990US4922499 Semiconductor laser device and the manufacturing method thereof
05/01/1990US4922497 Optical logic circuit
05/01/1990US4922480 Technique for improving the percentage of semiconductor lasers usable with a predetermined wavelength specification
05/01/1990CA1268363A1 Optical waveguide utilizing a layered structure
04/1990
04/28/1990CA2001423A1 Package for an opto-electronic component
04/25/1990EP0365496A1 A laser arrangement in an optical communication system
04/25/1990EP0364984A2 Interferometer using multi-mode semiconductor laser
04/25/1990EP0364672A2 Laser diode configuration with an integrated drive circuit
04/24/1990US4920542 Tunable semiconductor laser
04/24/1990US4920262 Photoelectric device with leads
04/24/1990US4919507 Semiconductor radiation coupling system
04/24/1990US4919506 Single mode optical fiber coupler
04/19/1990WO1990004275A1 Semiconductor light-emitting devices
04/19/1990DE3834929A1 Optical waveguide reflector for optoelectronic applications and lasers
04/18/1990EP0364259A2 Process for thermally patterning semiconductor bodies
04/18/1990EP0363547A1 Method for etching mirror facets of III-V semiconductor structures
04/17/1990US4918702 Laser unit
04/17/1990US4918701 Semiconductor laser arrangement and method for the operation thereof
04/17/1990US4918700 Method and device for automatic frequency control of semiconductor lasers
04/17/1990US4918681 Data reproducing apparatus using idling current
04/17/1990US4918679 Optical record carrier scanning apparatus providing optoelectronic positioning of the scanning spot
04/17/1990US4918496 Indium phosphide substrate
04/17/1990US4918396 Monitoring and/or control of optical amplifiers
04/17/1990US4917450 Dynamic optical interconnection device for integrated circuits
04/17/1990CA1267965A1 Double injection field effect transistors
04/11/1990EP0363347A2 Method for making a smooth, uniform image of a laser diode array
04/11/1990EP0363076A2 Semiconductor laser array having high power and high beam quality
04/11/1990EP0363007A2 A semiconductor laser device
04/11/1990EP0362789A2 Integrated type optical node and optical information system using the same
04/10/1990US4916710 Multi-point emission type semiconductor laser device therefor
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