Patents
Sitemap › H01 - Basic electric elements › H01S - Devices using stimulated emission › H01S 5 - Semiconductor lasers
Patents for H01S 5 - Semiconductor lasers (52,420)
10/1990
10/16/1990US4962985 Protective coatings for optical devices comprising Langmuir-Blodgett films
10/11/1990DE4010889A1 Manufacture of laser diode with heterostructure - using masking and etching processes to form layers
10/11/1990DE3919845C1 Circuit for determining operational characteristic of laser diode - includes sub-circuit consisting of switching-on and switching-off network
10/11/1990DE3911473A1 Wellenlaengenstabilisierung Wellenlaengenstabilisierung
10/11/1990DE3910720A1 Reduction of the noise from laser transmitters
10/10/1990EP0391334A2 Semiconductor laser element capable of changing emission wavelength, and wavelength selective fitter, and methods of driving the same
10/10/1990EP0390995A2 Semiconductor laser device and method of making same
10/10/1990EP0390805A1 Electro-optic waveguide device.
10/09/1990US4962502 Optical signal processing device
10/09/1990US4962057 Method of in situ photo induced evaporation enhancement of compound thin films during or after epitaxial growth
10/04/1990WO1990011633A1 Laser diode protection circuit
10/04/1990WO1990011542A1 Hybrid active devices coupled to fiber via spherical reflectors
10/04/1990WO1990011485A1 Light-generation device
10/04/1990DE3910329A1 Device for measuring the relaxation oscillation frequency of a semiconductor laser
10/03/1990EP0390661A1 Process for the directed modulation of the composition or doping of semiconductors, notably for the manufacture of planar monolithic electronic components, use and corresponding products
10/03/1990EP0390614A1 Distributed feedback laser
10/03/1990EP0390525A2 An optical pumping-type solid-state laser apparatus with a semiconductor laser device
10/03/1990EP0390407A2 Reduction of intermodulation distortion in light emitting diodes
10/03/1990EP0390313A2 A semiconductor laser device
10/03/1990EP0390262A1 Radiation-emitting semiconductor device and method of manufacturing such a semiconductor device
10/03/1990EP0390200A2 Semiconductor laser element selectively emitting lights of different wavelengths
10/03/1990EP0390167A2 Semiconductor laser device having plurality of layers for emitting lights of different wavelengths and method of driving the same
10/03/1990EP0390077A2 Laser diode and method for fabricating of the same
10/03/1990EP0390061A2 Method for the production of monolithically integrated optoelectronic modules
10/03/1990EP0389990A2 Breakdown diagnosing method of production line
10/03/1990EP0389549A1 Bulk avalanche semiconductor laser
10/02/1990US4961198 Semiconductor device
10/02/1990US4961197 Semiconductor laser device
10/02/1990US4961196 Semiconductor laser
10/02/1990US4960730 Method of making a semiconductor light emitting device using out-diffusion from a buried stripe
10/02/1990CA1274900A1 Field-effect transistor and the same associated with an optical semiconductor device
10/02/1990CA1274899A1 Semiconductor device assembly and method of making same
10/01/1990WO1990012436A1 Distributed feedback lasers
09/1990
09/26/1990EP0388760A1 Laser diode and multibeam optical head using the laser diode
09/26/1990EP0388410A1 Laser arrangement with at least one laser resonator coupled with a passive resonator.
09/25/1990US4959839 Rib waveguide type semiconductor laser
09/25/1990US4958926 Closed loop control system for laser
09/25/1990US4958893 Semiconductor laser beam source apparatus
09/25/1990CA1274411A1 Optical devices
09/20/1990CA2012562A1 Hybrid active devices coupled to fiber via spherical reflectors
09/19/1990EP0388149A2 A semiconductor laser device and a method for the production of the same
09/19/1990EP0387920A2 Window VSIS semiconductor laser
09/19/1990EP0228435B1 Optical communication system
09/18/1990US4958357 Grating-coupled surface emitting laser and method for the modulation thereof
09/18/1990US4958355 High performance angled stripe superluminescent diode
09/18/1990US4958354 Apparatus for stabilizing the intensity of light
09/18/1990US4958202 Semiconductor light-emitting device and method of manufacturing the same
09/18/1990US4957879 Cladding layer
09/18/1990CA1274273A1 Method of pulse-mode driving of a semi-conductor laser, driving device for a semi-conductor laser and laser-writing apparatus provided with such a driving device
09/14/1990WO1990010963A1 Method for increasing the output power of a laser diode
09/14/1990CA2028145A1 Method for increasing the output power of a laser diode
09/13/1990DE3907848A1 Method for carrying out a chemical transfer reaction
09/12/1990EP0387014A1 Reducing aberrations in radiation beams
09/12/1990EP0386797A2 Optical apparatus using wavelength selective photocoupler
09/12/1990EP0386741A2 Semiconductor laser driving apparatus
09/12/1990EP0386634A1 Semiconductor laser device
09/12/1990EP0386388A1 Method for the epitaxial growth of a semiconductor structure
09/11/1990US4956844 Two-dimensional surface-emitting laser array
09/11/1990US4956682 Optoelectronic integrated circuit
09/07/1990WO1990010312A1 Semiconductor laser assembly
09/05/1990EP0385697A1 Apparatus for and method of generating a comb of optical teeth of different wavelengths
09/05/1990EP0385685A2 Semiconductor device including cascaded modulation-doped quantum well heterostructures
09/05/1990EP0385668A2 Diode laser
09/05/1990EP0385643A2 Quantum well vertical cavity laser
09/05/1990EP0385537A2 Method of determining the monitor sensitivity of, and method and system for controlling a radiation emitting arrangement, and optical recording and/or reproducing apparatus including such a system
09/05/1990EP0385470A2 Semiconductor laser driving circuit
09/05/1990EP0385388A2 Ridge-waveguide semiconductor laser
09/04/1990US4955036 Semiconductor arrangement for producing a periodic refractive index distribution and/or a periodic gain distribution
09/04/1990US4955031 Multilayer zinc selenide
09/04/1990US4955030 Method of manufacturing a semiconductor structure suitable for producing a multi-wavelength laser effect, and device obtained thereby
09/04/1990US4955029 Process and device for regulating the light power of laser diodes
09/04/1990US4955028 Wavelength tunable composite cavity laser
09/04/1990US4955026 Frequency locking radiation beam
09/04/1990US4954971 Bidimensional laser array with two groups of active regions
09/04/1990US4954853 Optical semiconductor device
09/04/1990US4954786 Optical amplifying device
09/04/1990US4953951 Method for making holograms with coherent radiation from a stabilized laser diode that has been actively cooled
09/03/1990WO1990010326A1 Apparatus for and method of generating a comb of optical teeth of different wavelengths
08/1990
08/29/1990EP0384849A2 A semiconductor light emitting system
08/29/1990EP0384756A2 Semiconductor laser device
08/29/1990EP0384738A1 High efficiency mode-matched solid state laser with transverse pumping
08/29/1990EP0383958A1 Tunable semiconductor laser
08/29/1990EP0383943A1 Light emitting device and method of producing the same
08/29/1990EP0383841A1 Four-pass phase conjugate optical amplifier system and method.
08/28/1990US4953171 Semiconductor laser source unit
08/28/1990US4953170 Method for forming a heteroepitaxial structure, and a device manufactured thereby
08/28/1990US4953006 Packaging method and package for edge-coupled optoelectronic device
08/28/1990US4952820 Reduction of intermodulation distortion in light emitting diodes
08/28/1990US4952811 Field induced gap infrared detector
08/28/1990US4952640 Addition polymers having pendant isocyanato groups modified by an optically active compound; switches; light modulators
08/28/1990US4952527 Method of making buffer layers for III-V devices using solid phase epitaxy
08/28/1990US4952019 Grating-coupled surface-emitting superluminescent device
08/28/1990US4952017 Polarization independent semiconductor optical amplifier
08/27/1990CA2010788A1 Method of determining the monitor sensitivity of, and method and system for controlling a radiation emitting arrangement, and optical recording and/or reproducing apparatus including such a system
08/22/1990EP0383215A2 Epitaxial-growth structure for a semiconductor light-emitting device, and semiconductor light-emitting device using the same
08/21/1990US4951294 Diode pumped modelocked solid state laser
08/21/1990US4951293 Frequency doubled laser apparatus
08/21/1990US4951292 Coating for DFB/DBR laser diodes
08/21/1990US4951291 Semiconductor laser device with a protective film on the facets
08/21/1990US4951290 Semiconductor laser device
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