Patents for H01S 5 - Semiconductor lasers (52,420) |
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02/13/1990 | US4901123 Superluminescent diode |
02/13/1990 | US4900912 Driver circuit for semiconductor light-emitting device |
02/13/1990 | CA1265863A1 Distributed feedback semiconductor laser with monitor |
02/07/1990 | EP0354141A2 Diode laser with improved means for electrically modulating the emitted light beam intensity including turn-on and turn-off and electrically controlling the position of the emitted laser beam spot |
02/07/1990 | EP0353853A1 Laser diode to fiber reflective coupling |
02/07/1990 | CN1039511A Phi-coating for dfb/dbr laser diodes |
02/06/1990 | US4899361 Optical filter device |
02/06/1990 | US4899360 Semiconductor laser device having monolithically formed active and passive cavities on the same substrate |
02/06/1990 | US4899359 Optical memory semiconductor laser apparatus |
02/06/1990 | US4899349 Semiconductor laser device |
02/06/1990 | US4899348 Method and apparatus for controlling optical output of laser light source |
02/06/1990 | US4899344 Semiconductor laser control apparatus |
02/06/1990 | US4899204 High voltage switch structure with light responsive diode stack |
02/06/1990 | US4899201 Electronic and optoelectric devices utilizing light hole properties |
02/06/1990 | CA1265604A1 Semiconductor lasers |
01/31/1990 | EP0353054A2 Quantum well structure and semiconductor device using the same |
01/31/1990 | EP0353037A2 Bistable semiconductor laser diode device |
01/31/1990 | EP0353033A2 Rib waveguide type semiconductor laser |
01/31/1990 | EP0352974A2 Polarization independent optical amplifier apparatus |
01/31/1990 | EP0352747A2 Frequency separation stabilization method for optical heterodyne or optical homodyne communication |
01/30/1990 | US4897846 Surface emission type semiconductor light-emitting device |
01/30/1990 | US4897845 Semiconductor optical amplifying element |
01/30/1990 | US4897844 Information transmission by mode modulation and laser oscillators thereof |
01/30/1990 | US4896936 Component mounted to substrate with overlying bridge-shaped supporte |
01/25/1990 | WO1990000753A2 Optical components |
01/25/1990 | WO1990000732A1 Method and apparatus for spectroscopic measurement of the concentration of a gaz |
01/24/1990 | EP0352125A2 A semiconductor laser driving apparatus |
01/24/1990 | EP0352059A2 An optically pumped laser |
01/24/1990 | EP0352021A2 Optical amplifier with reduced nonlinearity |
01/24/1990 | EP0351869A2 Electroluminescent device of compound semiconductor |
01/24/1990 | EP0351868A2 Electroluminescent device of compound semiconductor |
01/24/1990 | EP0351867A2 Electroluminescent device of compound semiconductor |
01/24/1990 | EP0351839A2 Integrated semiconductor laser suitable for liquid-phase growth and method of fabricating same |
01/24/1990 | EP0351816A2 Method and apparatus for stabilizing oscillation frequency separation among plural laser devices |
01/23/1990 | US4896331 Distributed feedback semiconductor laser |
01/23/1990 | US4896328 Ridge waveguide-type semiconductor laser having a current recombination layer and an optical waveguide layer |
01/23/1990 | US4896327 Method for frequency stabilization of a semiconductor laser comprising a coupled external ring resonator |
01/23/1990 | US4896325 Multi-section tunable laser with differing multi-element mirrors |
01/23/1990 | US4895615 Monolithic fabrication techniques for front face optoelectronic couplers and/or optical components including ridge structured waveguides |
01/17/1990 | EP0351211A2 Method of making an optical component |
01/16/1990 | US4894840 Surface emitting laser |
01/16/1990 | US4894839 High efficiency mode-matched solid-state laser with transverse pumping |
01/16/1990 | US4894836 Semiconductor device |
01/16/1990 | US4894835 Surface emitting type semiconductor laser |
01/16/1990 | US4894834 Semiconductor laser and method for production thereof |
01/16/1990 | US4894833 Surface emitting lasers with combined output |
01/16/1990 | US4894832 Diodes; lasers |
01/16/1990 | US4894525 Optical power control device for semiconductor light emitting element |
01/16/1990 | US4894524 Laser recording apparatus with laser intensity control |
01/11/1990 | WO1990000322A1 Semiconductor laser array |
01/11/1990 | DE3821775A1 Semiconductor layer structure for a laser diode having a buried heterostructure |
01/10/1990 | EP0350327A2 Semiconductor laser arrays |
01/10/1990 | EP0350207A2 Transceiver-based single fiber lan |
01/09/1990 | US4893353 Optical frequency synthesizer/sweeper |
01/09/1990 | US4893313 Small threshold current; reliability |
01/09/1990 | US4893296 Optical pickup device |
01/09/1990 | CA1264368A1 Opto-electronic and electro-optic devices |
01/03/1990 | EP0349193A2 A multi-layered dielectric film |
01/03/1990 | EP0349082A1 Phase-coating for DFB/DBR laser diodes |
01/03/1990 | EP0348950A2 Hybrid surface emitting laser and detector |
01/03/1990 | EP0348941A2 Semiconductor laser device |
01/03/1990 | EP0348540A1 Process for the selective growth of GaAs |
01/02/1990 | US4891816 Integrated semiconductor laser device |
01/02/1990 | US4891815 Bulk avalanche semiconductor laser |
01/02/1990 | US4891093 Processes for the manufacture of laser including monolithically integrated planar devices |
12/26/1989 | US4890293 Semiconductor laser device |
12/26/1989 | US4890292 Semiconductor laser device |
12/26/1989 | US4890288 Light quantity control device |
12/20/1989 | EP0347213A2 A grating-tuned laser |
12/20/1989 | EP0347202A2 Excitation system for a semiconductor laser device |
12/20/1989 | EP0346389A1 Dual mode laser/detector diode for optical fiber transmission lines |
12/20/1989 | EP0187058B1 Near infrared monomode light source and tunable optical amplifier |
12/19/1989 | US4888785 Miniature integrated optical beam splitter |
12/19/1989 | US4888784 Semiconductor laser device |
12/19/1989 | US4888783 Semiconductor laser device |
12/19/1989 | US4888782 Semiconductor light emitting device |
12/19/1989 | US4888781 Semiconductor laser |
12/19/1989 | US4888777 Semiconductor laser control apparatus |
12/19/1989 | US4888760 Optical head apparatus |
12/19/1989 | US4888624 Semiconductor devices employing high resistivity in-based compound group III-IV epitaxial layer for current confinement |
12/19/1989 | US4888085 Processes for their manufacture of monolithically integrated planar lasers differing in emission wavelengths |
12/19/1989 | US4887900 Polarization maintaining fiber interferometer and method for source stabilization |
12/14/1989 | WO1989012337A1 Laser diode source assembly |
12/13/1989 | EP0346120A2 Semiconductor device |
12/13/1989 | EP0345971A2 Apparatus comprising an optical or opto-electronic device |
12/13/1989 | EP0345923A2 Grating coupler with monolithically integrated quantum well index modulator |
12/13/1989 | EP0345874A1 Optoelectronic arrangement having a coupling between an optical transmission fibre and a semiconductor laser diode |
12/13/1989 | EP0345626A2 Optical semiconductor device |
12/12/1989 | US4887274 Deterioration-resistant superlattice semiconductor laser device |
12/12/1989 | US4887271 Power supply for a laser diode in a common module |
12/12/1989 | US4886334 Optical amplifying repeater |
12/06/1989 | EP0345011A1 Electrical signal observing device |
12/05/1989 | US4885753 Semiconductor laser device of variable wavelength type |
11/30/1989 | WO1989011743A1 Optical fiber tap for monitoring laser input power |
11/30/1989 | DE3817326A1 Method for producing grating structures having sections mutually offset by half a grating pitch (period) |
11/29/1989 | EP0343725A2 Optical transmitter with a laser diode |
11/29/1989 | EP0343610A2 Method of characterizing bistable semiconductor lasers |
11/29/1989 | EP0343591A2 Visible laser source |
11/29/1989 | EP0343489A2 Optical amplifier module |
11/28/1989 | US4884280 Semiconductor laser driving device for stabilizing the optical output thereof |