Patents
Sitemap › H01 - Basic electric elements › H01S - Devices using stimulated emission › H01S 5 - Semiconductor lasers
Patents for H01S 5 - Semiconductor lasers (52,420)
11/1989
11/28/1989US4884279 Optical transmission apparatus
11/28/1989US4884278 Semiconductor laser modulation control system
11/28/1989US4884276 Optical feedback control in the frequency conversion of laser diode radiation
11/28/1989US4884275 Laser safety shutoff system
11/28/1989US4884119 Integrated multiple quantum well photonic and electronic devices
11/28/1989US4883771 Method of making and separating semiconductor lasers
11/28/1989US4883342 Method of assembling a light emitting device with an optical fiber
11/23/1989EP0342983A2 A semiconductor laser device
11/23/1989EP0342953A2 Semiconductor optical amplifying element
11/23/1989EP0342656A2 Method of manufacturing a compound semiconductor light emitting device
11/21/1989US4882734 Quantum well heterostructure lasers with low current density threshold and higher TO values
11/21/1989US4882609 Semiconductor devices with at least one monoatomic layer of doping atoms
11/21/1989US4882607 Optical semiconductor device
11/21/1989US4882594 Method for making a smooth, uniform image of a laser diode array
11/21/1989US4882295 Method of making a double injection field effect transistor
11/21/1989US4881791 Optical device
11/16/1989WO1989011173A1 Wavelength-resonant surface-emitting semiconductor laser
11/16/1989WO1989009425A3 Electro-optic quantum well device
11/15/1989EP0342018A2 Semiconductor laser devices and process for making them
11/15/1989EP0089980B1 Semiconductor laser with conductive current mask
11/14/1989US4881238 Semiconductor laser having quantum well active region doped with impurities
11/14/1989US4881237 Hybrid two-dimensional surface-emitting laser arrays
11/14/1989US4881236 Wavelength-resonant surface-emitting semiconductor laser
11/14/1989US4881235 Semiconductor laser having a multiple quantum well structure doped with impurities
11/08/1989EP0341034A2 A method for the production of semiconductor devices
11/07/1989US4879761 Bistable optically clocked optical signal regenerator
11/07/1989US4879725 Semiconductor laser device having extended facet life
11/07/1989US4879724 Semiconductor laser
11/07/1989US4879722 Generation of coherent optical radiation by optical mixing
11/07/1989US4879459 Automatic power controller for semiconductor laser
11/07/1989US4878724 Electrooptically tunable phase-locked laser array
11/07/1989CA1262768A1 Semiconductor devices having fe-doped mocvd inp-based layer
11/02/1989WO1989010643A1 Acousto-electromagnetic hologistic resonant system
11/02/1989WO1989010579A1 Non-linear optical amplification
11/02/1989EP0339326A2 Method and arrangement for driving laser diodes which are utilized in an optical sender of an information transmission system
10/1989
10/31/1989US4878225 Controlling apparatus for laser diode
10/31/1989US4878223 Semiconductor laser array device
10/31/1989US4878222 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
10/31/1989US4877756 Method of packaging a semiconductor laser and photosensitive semiconductor device
10/25/1989EP0338904A1 Method and device to improve the directivity of the emission of a laser diode
10/25/1989EP0338863A1 Non-linear optical amplification
10/24/1989US4876442 Laser control circuit
10/19/1989WO1989008340A3 Laser amplifier
10/19/1989WO1989007833A3 Semi-insulating layer and ultra-high-speed photoconductive devices made therefrom
10/18/1989EP0337688A2 Phase-locked array of semiconductor lasers using closely spaced antiguides
10/18/1989EP0337470A2 Semiconductor quantum well laser
10/17/1989US4875217 Laser diode array with lateral coupling
10/17/1989US4875216 Buried waveguide window regions for improved performance semiconductor lasers and other opto-electronic applications
10/17/1989US4874953 Method for generation of tunable far infrared radiation from two-dimensional plasmons
10/17/1989US4873843 Multiple source and/or sensor coldhead mount
10/12/1989DE3810767A1 Ribbed (finned)-waveguide laser which is rewaxed
10/11/1989EP0336672A2 Epitaxial deposition of thin films
10/11/1989EP0336308A2 Method and device for automatic frequency control of semiconductor lasers
10/10/1989US4873697 Narrowband laser transmitter having an external resonator from which the output power can be taken
10/10/1989US4873696 Surface-emitting lasers with periodic gain and a parallel driven nipi structure
10/10/1989US4873691 Wavelength-tunable semiconductor laser
10/10/1989US4873690 Optical switch
10/10/1989US4873566 Multilayer ceramic laser package
10/10/1989CA1262261A1 Optical mixer for upconverting or downconverting an optical signal
10/05/1989WO1989009505A1 Four-pass phase conjugate optical amplifier system and method
10/05/1989WO1989009503A1 Electrooptical semiconductor device assembly
10/05/1989WO1989009491A1 Device mounting
10/05/1989WO1989009490A1 Tapered laser or waveguide optoelectronic structures and method
10/05/1989WO1989009425A2 Electro-optic quantum well device
10/05/1989WO1989009421A1 Optical semiconductor device and production thereof
10/04/1989EP0335744A1 Semiconducting device mounting
10/04/1989EP0335691A1 Electrooptical semiconductor device assembly
10/04/1989EP0335553A2 Self-scanning light-emitting element array
10/04/1989EP0335491A2 Monolithic integration of optoelectronic and electronic devices
10/03/1989US4872180 Method for reducing facet reflectivities of semiconductor light sources and device thereof
10/03/1989US4872176 Device and method for monitoring a light-emitting device
10/03/1989US4872175 Semiconductor laser device having a lens-like refractive index distribution within the stripe
10/03/1989US4872174 Semiconductor laser device having a grating structure
10/03/1989US4872173 Method and apparatus for stabilizing the spectral characteristics of a semiconductor laser diode
10/03/1989US4872080 Protective circuit for a semiconductor laser
10/03/1989US4871690 Epitaxial depositing semiconductor layers; annealing
10/03/1989US4871244 Movable member mounting
09/1989
09/28/1989DE3808892A1 Amplifier for light with equal amplitudes of the output pulses
09/27/1989EP0334759A2 Semiconductor device
09/27/1989EP0334637A2 A semiconductor device
09/27/1989EP0334209A2 Laser diode for the generation of strongly monochromatic laser light
09/26/1989US4870652 Monolithic high density arrays of independently addressable semiconductor laser sources
09/26/1989US4870651 Semiconductor light-emitting apparatus
09/26/1989US4870650 Semiconductor laser having a boundary-region absorption layer
09/26/1989US4870649 Tranverse mode control in solid state lasers
09/26/1989US4870648 X-ray beamsplitter
09/26/1989US4870468 Semiconductor light-emitting device and method of manufacturing the same
09/26/1989US4869568 Arrangement comprising a planarly extending thin-film waveguide
09/26/1989US4869068 Heat transfer strap
09/26/1989CA1261483A1 Semiconductor mesa structure with flared groove
09/26/1989CA1261448A1 Monomode optical fiber ring interferometric device
09/26/1989CA1261447A1 Method and apparatus for generating coherent radiation
09/26/1989CA1261046A1 Dual-wavelength laser apparatus
09/26/1989CA1260626A1 Delta-doped metal to semiconductor ohmic contacts
09/21/1989WO1989008937A1 Polarisation switching in active devices
09/20/1989EP0333494A2 Semiconductor driver for producing switching and offset signals
09/20/1989EP0333418A2 Semiconductor laser device
09/20/1989EP0333090A2 Semiconductor laser device for the generation of a periodic refractive index distribution and/or periodic gain distribution
09/20/1989EP0332723A1 High-power semiconductor diode laser
09/20/1989EP0201599B1 The fabrication of grooved semiconductor devices
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