| Patents for H01S 5 - Semiconductor lasers (52,420) |
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| 02/12/1991 | US4992837 Light emitting semiconductor device |
| 02/12/1991 | US4992754 Predistorter for linearization of electronic and optical signals |
| 02/12/1991 | US4991931 Method of driving optical wavelength converter module |
| 02/12/1991 | CA1280197C Monolithically integrated planar lasers differing in emission wavelengths and processes for their preparation |
| 02/12/1991 | CA1280170C Homodyne interconnections of integrated circuits |
| 02/06/1991 | EP0411816A2 Tapered semiconductor waveguides and method of making same |
| 02/06/1991 | EP0411641A2 Low noise pulsed light source using laser diode |
| 02/06/1991 | EP0411145A1 Integrated optical semiconductor device and method of producing the same |
| 02/06/1991 | EP0411131A1 Wavelength stabilized source of light |
| 02/05/1991 | US4991179 Electrically pumped vertical cavity laser |
| 02/05/1991 | US4990972 Semiconductor light emitting device |
| 02/05/1991 | US4990466 Method for fabricating index-guided semiconductor laser |
| 02/05/1991 | US4990465 Smooth light reflective surface, lens for collimation, active region of semiconductor with light emitting edge |
| 02/05/1991 | US4989949 Arrangement for discriminating whether or not semiconductor laser is functional |
| 02/05/1991 | US4989935 Optoelectronic transmitter and receiver |
| 02/05/1991 | US4989930 Optoelectronics package |
| 02/05/1991 | CA1279920C Laser including monolithically integrated planar devices and processes for their preparation |
| 01/30/1991 | EP0410067A1 Integrated semiconductor diode laser and photodiode structure |
| 01/30/1991 | EP0409921A1 Optical feedback control in the frequency conversion of laser diode radiation. |
| 01/29/1991 | US4989214 Monolithically integrated structure |
| 01/29/1991 | US4989213 Narrow divergence, single quantum well, separate confinement, algaas laser |
| 01/29/1991 | US4989212 Laser diode phase modulation technique |
| 01/29/1991 | US4989198 Beam control device utilizing beam having a specific direction of polarization to control a laser used in an optical memory system |
| 01/29/1991 | US4988579 A substrate, a light emitting part and a conductive part joined to the substrate, a pair of electrodes for applying a voltage |
| 01/29/1991 | US4988159 Fiber tailed optoelectronic transducer |
| 01/24/1991 | WO1991001057A1 Grouped, phase-locked, diode arrays |
| 01/24/1991 | WO1991001056A1 Segmented, fibre coupled diode laser arrays |
| 01/24/1991 | DE3923354A1 Semiconductor laser with surface metallising film - consists of separated contact strips, with spacing corresp. to wavelength to be generated |
| 01/23/1991 | EP0409487A2 Tunable laser diode having a distributed feedback structure |
| 01/23/1991 | EP0409177A2 Optical feedback amplifier |
| 01/23/1991 | EP0409074A2 Optical-electronic device |
| 01/23/1991 | EP0408897A2 Optical emitter for electrical data signals |
| 01/23/1991 | EP0397691A4 Current injection laser |
| 01/22/1991 | US4987576 Electrically tunable semiconductor laser with ridge waveguide |
| 01/22/1991 | US4987566 Optical head apparatus |
| 01/22/1991 | US4987468 Lateral heterojunction bipolar transistor (LHBT) and suitability thereof as a hetero transverse junction (HTJ) laser |
| 01/22/1991 | US4987097 Gain waveguide type |
| 01/22/1991 | US4987096 Manufacturing method of semiconductor laser with non-absorbing mirror structure |
| 01/22/1991 | US4987045 Photosensitive member for electrophotography |
| 01/22/1991 | US4986661 Solid state fiber optic semiconductor ring laser apparatus |
| 01/22/1991 | US4986634 Beam-combining laser beam source device |
| 01/22/1991 | CA1279394C Multiple quantum well type semiconductor laser |
| 01/16/1991 | EP0408373A2 Transverse-mode oscillation semiconductor laser device |
| 01/15/1991 | US4985897 Semiconductor laser array having high power and high beam quality |
| 01/15/1991 | US4985896 Laser driving device |
| 01/15/1991 | US4985805 Device for the cooling of optoelectronic components and use of a flange joint used thereof |
| 01/15/1991 | US4985370 Method of manufacturing semiconductor laser device |
| 01/15/1991 | US4984898 Laser interferometer for interferometric length measurements including an automatic-compensating circuit |
| 01/15/1991 | CA1279100C Optically controlled selector |
| 01/10/1991 | WO1991000621A1 Light-emitting diode drive circuit |
| 01/10/1991 | DE3920470A1 Measuring concn. of gaseous components in gas mixt. - by measuring retained intensity of transmitted absorption=specific light from temp. regulated laser diode |
| 01/09/1991 | EP0407298A1 Method for monitoring the thickness of an antireflection layer and apparatus for carrying out the same |
| 01/09/1991 | EP0407251A1 Semiconductor quantum well laser |
| 01/09/1991 | EP0407168A2 A thin film semiconductor array device |
| 01/09/1991 | EP0406506A1 Opto-electronic light emitting semiconductor device |
| 01/09/1991 | EP0406330A1 Electro-optic quantum well device |
| 01/09/1991 | EP0346389A4 Dual mode laser/detector diode for optical fiber transmission lines |
| 01/08/1991 | US4984244 Semiconductor laser device |
| 01/08/1991 | US4984243 Semiconductor laser device |
| 01/08/1991 | US4984242 Reduction of strain between layers, preventing defect migration |
| 01/08/1991 | US4983541 For optical communication systems |
| 01/08/1991 | US4983539 Crystallization from amorphous nucleation surface, crystal regions with differing electrical properties |
| 01/08/1991 | US4983009 Light transmitting device utilizing indirect reflection |
| 01/02/1991 | EP0406005A2 Semiconductor laser and manufacture method therefor |
| 01/02/1991 | EP0405952A2 Semiconductor laser driving circuit |
| 01/02/1991 | EP0405832A1 Doping procedures for semiconductor devices |
| 01/02/1991 | EP0405801A2 Optical amplifier-photodetector assemblage |
| 01/02/1991 | EP0405800A2 Laser-photodetector assemblage |
| 01/02/1991 | EP0405758A2 Broadband semiconductor optical gain medium |
| 01/02/1991 | EP0405419A2 Self-aligning analog laser transmitter |
| 01/02/1991 | EP0405406A2 Optical amplifier |
| 01/01/1991 | US4982409 Mixed crystal cladding |
| 01/01/1991 | US4982408 Variable oscillation wavelength semiconduction laser device |
| 01/01/1991 | US4982407 Semiconductor laser operating circuit |
| 01/01/1991 | US4982256 Semiconductors |
| 01/01/1991 | US4981814 Preparation of semiconductor devices |
| 12/27/1990 | EP0404551A2 Optical semiconductor device |
| 12/27/1990 | EP0404308A2 Semiconductor laser light source device |
| 12/27/1990 | EP0403582A1 Acousto-electromagnetic hologistic resonant system |
| 12/27/1990 | EP0240512B1 Frequency referencing system and method |
| 12/27/1990 | EP0228434B1 Optical coupling assembly |
| 12/25/1990 | US4980895 Distributed feedback semiconductor laser having a laser-active layer serving as diffraction grating |
| 12/25/1990 | US4980893 Monolithic high density arrays of independently addressable offset semiconductor laser sources |
| 12/25/1990 | US4980892 Optical system including wavelength-tunable semiconductor laser |
| 12/25/1990 | US4980891 Clocked optical regenerator and other optoelectronic functional circuits |
| 12/25/1990 | US4980632 Electrical signal observing device |
| 12/25/1990 | US4980314 Vapor processing of a substrate |
| 12/25/1990 | US4980313 Narrowing the light emission region width; growing adding layers; annealing diffusion |
| 12/19/1990 | EP0403308A2 Semiconductor light source having reduced facet reflectivities |
| 12/19/1990 | EP0403293A2 Method of manufacturing III-V group compound semiconductor device |
| 12/19/1990 | EP0403153A2 A method for forming a heteroepitaxial structure |
| 12/19/1990 | EP0403011A1 Laser diode module |
| 12/19/1990 | EP0402907A2 Semiconductor laser device |
| 12/19/1990 | EP0402869A2 Semiconductor laser device |
| 12/19/1990 | EP0402691A1 Laser-sensor with external resonator |
| 12/19/1990 | EP0402556A1 A method for improving the flatness of etched mirror facets |
| 12/18/1990 | US4979234 Saturated semiconductor laser amplifier for compensation of optical fibre dispersion |
| 12/18/1990 | US4979178 Tunable narrow-linewidth semiconductor laser |
| 12/18/1990 | US4979170 Alternating sequential half duplex communication system |
| 12/18/1990 | US4979002 Optical photodiode switch array with zener diode |