Patents
Patents for H01S 5 - Semiconductor lasers (52,420)
01/1989
01/31/1989US4801993 Monolithic semiconductor structure of a heterojunction bipolar transistor and a laser
01/31/1989CA1249467A1 Light waveguide with a submicron aperture, method for manufacturing the waveguide and application of the waveguide in an optical memory
01/25/1989EP0300790A2 Semiconductor laser
01/25/1989EP0197084B1 Low noise injection laser structure
01/24/1989US4800565 Semiconductor laser device having high optical intensity and reliability
01/24/1989CA1249362A1 Low noise injection laser structure
01/19/1989DE3722704A1 Laser avalanche pulse component
01/19/1989DE3722703A1 Laser thyristor component
01/17/1989US4799234 Laser transmitter including an external optical resonator
01/17/1989US4799229 Semiconductor laser array
01/17/1989US4799228 Cladding
01/17/1989US4799227 Semiconductor laser device having a buried heterostructure
01/17/1989US4799226 Distributed feedback laser diode comprising an active layer partly adjacent to a waveguide layer
01/17/1989US4799225 Semiconductor laser array device
01/17/1989US4799224 Driver for a semiconductor laser
01/17/1989US4799223 Split contact phased array lasers
01/17/1989US4798950 Radiation characteristic measuring apparatus for laser diode
01/11/1989EP0298778A2 Semiconductor laser devices and methods of making same
01/11/1989EP0298490A2 Semiconductor laser optical system
01/11/1989EP0298237A2 Light barrier
01/11/1989EP0298115A1 Broadband-tunable external fiber-cavity laser
01/10/1989US4797896 Solid state optical ring resonator and laser using same
01/10/1989US4797895 Semiconductor laser apparatus
01/10/1989US4797894 Alignment method and arrangement for external optical feedback for semiconductor diode lasers
01/10/1989US4797892 Longitudinally coupled surface emitting semiconductor laser array
01/10/1989US4797891 Semiconductor laser
01/10/1989US4797890 Semiconductor light emitting device with vertical light emission
01/10/1989US4797728 Semiconductor device assembly and method of making same
01/10/1989US4797640 Apparatus for amplitude modulating the output of a laser diode or L.E.D.
01/10/1989US4797374 Vapor deposition of indium phosphides, semiconductors
01/10/1989US4796996 Laser temperature modulation and detection method
01/04/1989EP0297885A2 Integrated semi conductor laser device
01/04/1989EP0297838A2 A distributed feedback semiconductor laser
01/04/1989EP0297654A1 Semiconductor device for producing electromagnetic radiation
01/03/1989US4796274 Semiconductor device with distributed bragg reflector
01/03/1989US4796273 Distributed feedback semiconductor laser
01/03/1989US4796269 Two-dimensional phase-locked surface emitting semiconductor laser array
01/03/1989US4796268 Heterostructure semiconductor laser diode
01/03/1989US4796267 Laser control circuit
01/03/1989US4796266 Laser driver circuit with dynamic bias
01/03/1989US4796265 Imaging using collectively controlled multiple beams
01/03/1989US4796264 Semiconductor laser driver
01/03/1989US4796114 Use in a helical)scan magnetic recorder)reproducer
01/03/1989US4796067 Semiconductor device having a superlattice structure
01/03/1989US4795976 Apparatus and derivative technique for testing devices
01/03/1989CA1247947A1 Method of manufacturing semiconductor device
12/1988
12/28/1988EP0296427A1 Laser diode transmitter with a protection device
12/27/1988US4794618 Distributed feedback laser diode
12/27/1988US4794617 External optical resonator for a semiconductor laser
12/27/1988US4794611 Semiconductor laser having superlattice structure
12/27/1988US4794610 Heterostructure semiconductor laser diode
12/27/1988US4794609 Semiconductor laser provided with a plurality of lasers in the form of an array
12/27/1988US4794608 Semiconductor laser device
12/27/1988US4794607 Opto-electronic devices
12/27/1988US4794606 Opto-electronic device
12/27/1988US4794351 Optical mixer for upconverting or downconverting an optical signal
12/27/1988US4794346 Broadband semiconductor optical amplifier structure
12/27/1988US4793872 III-V Compound heteroepitaxial 3-D semiconductor structures utilizing superlattices
12/27/1988US4793688 Photo electro device, method for manufacture of same, and lens support frame for use in such photo electro device
12/21/1988EP0296066A2 An integrated laser device with refractive index modulator
12/21/1988EP0295857A1 Optical multiplexing
12/20/1988US4792962 A ring-shaped resonator type semiconductor laser device
12/20/1988US4792960 Filler layer containing low concentration of magnesium between cladding layer and striped filled channel; no meltback
12/20/1988US4792959 Laser diode
12/20/1988US4792958 Semiconductor laser with mesa stripe waveguide structure
12/20/1988US4792957 Laser temperature controller
12/20/1988US4792956 Laser diode intensity and wavelength control
12/20/1988US4792832 Superlattice semiconductor having high carrier density
12/20/1988US4792200 Array of coupled optical waveguides
12/15/1988WO1988010037A1 Optical multiplexing
12/15/1988WO1988010018A1 Optical devices
12/15/1988WO1988010007A1 Composite structure, application to a laser and process for producing same
12/15/1988WO1988009924A1 Intracavity-multimode laser spectrometer
12/15/1988DE3718908C1 Intracavity-Multimoden-Laserspektrometer Intracavity laser spectrometer multimode
12/14/1988EP0294787A2 Highly repetitively pulsed laser device
12/13/1988US4791651 Semiconductor laser array device
12/13/1988US4791650 Phased-array semiconductor laser apparatus
12/13/1988US4791649 Semiconductor laser device
12/13/1988US4791648 Laser having a substantially planar waveguide
12/13/1988US4791647 Semiconductor laser
12/13/1988US4791646 Method for tailoring the two-dimensional spatial gain distribution in optoelectronic devices and its application to tailored gain broad area semiconductor lasers capable of high power operation with very narrow single lobed farfield patterns
12/13/1988US4791636 Semiconductor laser device and a method for driving the same
12/13/1988US4791635 Heterostructure semiconductor laser diode
12/13/1988US4791634 Capillary heat pipe cooled diode pumped slab laser
12/13/1988US4791632 Compensated laser diode transmitter
12/13/1988US4790618 Semiconductor laser module
12/07/1988EP0294167A1 Optical devices
12/07/1988EP0293469A1 Semiconductor devices employing ti-doped group iii-v epitaxial layer
12/06/1988US4789987 Automatic modulation control apparatus
12/06/1988US4789881 Low coherence optical system having reflective means
12/06/1988US4789843 Laser diode optical modulating devices
12/01/1988DE3725978C1 Laser Doppler anemometer
11/1988
11/30/1988EP0293185A2 Semiconductor laser device and method for manufacturing the same
11/30/1988EP0293144A1 Semiconductor laser apparatus
11/30/1988EP0293008A2 A method and apparatus for an oscillation frequency separation among a plurality of laser devices
11/30/1988EP0293000A2 Light emitting device
11/30/1988EP0292957A2 Temperature stabilization of laser diodes and light emitting diodes
11/29/1988US4788690 Distributed feedback semiconductor laser with monitor
11/29/1988US4788689 Composite resonator-type semiconductor laser device
11/29/1988US4788688 Semiconductor-applying electrical potential between electrodes to inject charges into avtive materials