Patents
Sitemap › H01 - Basic electric elements › H01S - Devices using stimulated emission › H01S 5 - Semiconductor lasers
Patents for H01S 5 - Semiconductor lasers (52,420)
05/1991
05/21/1991US5018154 Semiconductor laser drive device
05/21/1991US5018153 Method and apparatus for correcting amplitude variation in electro-optic laser systems
05/21/1991US5017885 Optical amplifier with reduced nonlinearity
05/21/1991US5017880 Varying operational frequency control circuit apparatus with noise minimizing feature
05/21/1991US5016965 Optical package
05/21/1991US5016960 Hybrid optical Y-junction
05/21/1991CA1284371C Semiconductor laser device
05/16/1991WO1991007027A1 High linearity optical transmitter
05/16/1991WO1991007010A2 Optical amplifier
05/16/1991WO1991006994A1 Phase-locked, fibre bundle excited, stacked slabs, laser system
05/16/1991DE4036000A1 Optical laser diode amplifier - has geometry selected to provide small difference in wavelength between polarisation modes
05/16/1991DE3937542A1 Single mode laser diode - has optically resonant structure formed in waveguide section
05/15/1991EP0427003A1 Semiconductor light-emitting element and its manufacturing method
05/14/1991US5016253 Semiconductor laser device
05/14/1991US5016252 Semiconductor laser device
05/14/1991US5016083 Submount for semiconductor laser device
05/14/1991US5016065 Stress-free, defect-free
05/14/1991US5015964 Optical amplifiers
05/14/1991US5015873 Semiconductor driver for producing switching and offset signals
05/14/1991US5015051 Integrated single-mode isolator waveguide and application to a semiconductor laser
05/14/1991CA2029718A1 Method and apparatus for modulation current regulation for laser diodes
05/14/1991CA1284206C Non-tranform limited pulse locked radiation mode radiation generator with external cavity having non-linear transmission characteristic improving mode locking
05/14/1991CA1284205C High-power, fundamental transverse mode laser
05/08/1991EP0426647A1 Narrow divergence single quantum well, separate confinement, AlGaAs laser
05/08/1991EP0426419A2 Semiconductor laser elements and method for the production thereof
05/08/1991EP0426239A1 Optical amplifier
05/07/1991US5014280 Optical bistable laser diode and a method for controlling the same
05/07/1991US5014015 Ultra-short optical pulse source
05/07/1991US5013971 Temperature stabilization of laser diodes and light emitting diodes
05/07/1991US5013684 Lasers
05/07/1991US5013144 Light source having a multiply conic lens
05/07/1991US5013113 Lossless non-interferometric electro-optic III-V index-guided-wave switches and switching arrays
05/07/1991US5013111 Method and device for mounting a laser diode and a light conductor
05/02/1991WO1991006141A1 Apparatus for stabilizing the wavelength of a signal-modulated light beam
05/02/1991WO1991006139A1 Diode pumped segmented fibre bundle coupled conical rod laser system
05/02/1991EP0424481A1 A heat dissipating device for laser diodes
04/1991
04/30/1991US5012486 Vertical cavity semiconductor laser with lattice-mismatched mirror stack
04/30/1991US5012484 Analog optical fiber communication system, and laser adapted for use in such a system
04/30/1991US5012478 Monolithic multiple beam semiconductor laser
04/30/1991US5012477 Optoelectronic power device and fabrication method thereof
04/30/1991US5012476 Device of semiconductor materials formed on a substrate having a different lattice parameter and application to a laser
04/30/1991US5012474 Polarization switching in active devices
04/30/1991US5012101 Optical apparatus and method
04/30/1991US5012073 Data card and mailer data match/inserter system
04/30/1991US5011256 Package for an opto-electronic component
04/30/1991CA2019732A1 Narrow divergence, single quantum well, separate confinement, algaas laser
04/25/1991DE3934865A1 Picosecond pulses from semiconductor DFB modulated laser - has two junction pairs for separate or combined mode-coupled operation
04/24/1991EP0424017A2 Nonlinear optical device structure with compound semiconductor having graded chemical composition
04/24/1991EP0423535A2 Semiconductor device made by an epitaxial growth technique and method for the making of the same
04/24/1991EP0423528A2 Semiconductor laser with electrically tunable wavelength
04/24/1991EP0423513A2 Method of producing a laserwafer
04/24/1991EP0423223A1 Method and apparatus for spectroscopic measurement of the concentration of a gaz.
04/23/1991US5010556 A stripe-shaped heterojunction laser with unique current confinement
04/23/1991US5010543 Optical multiplexing
04/23/1991US5010376 Multilayer; substrate, clading, active material; lattice matching
04/23/1991US5010375 Multilayer; silicon substrate, current collector, and buffer
04/23/1991US5010374 Quantum well laser utilizing an inversion layer
04/23/1991US5009504 Monomode optical fiber ring interferometric device with semiconductor diode as light energy emission-reception/amplification means
04/18/1991WO1991005273A1 Radiation source for helium magnetometers
04/17/1991EP0422941A2 Method of manufacturing a window structure semiconductor laser
04/17/1991EP0422854A2 Optical amplifier-photodetector device
04/17/1991EP0422852A2 Method of producing a semiconductor laser adapted for use in an analog optical communications system
04/17/1991EP0422155A1 Wavelength stabilization, in particular for interferometric measurement of length.
04/17/1991EP0422018A1 Optical fiber tap for monitoring laser input power
04/17/1991CN1012405B Selective intermixing of layered structures composed on thin solid films
04/16/1991US5008893 Tunable semiconductor laser
04/16/1991US5008892 Semiconductor laser diodes
04/16/1991US5008891 Cladding layers of identical lattice constant to substrate
04/16/1991US5008889 High-accuracy wavelength stabilization of angled-stripe super luminescent laser diode sources
04/16/1991US5008888 Semiconductor laser driving apparatus
04/16/1991US5008717 Semiconductor device including cascaded modulation-doped quantum well heterostructures
04/16/1991US5008685 Laser generator for producing modulating data therefor
04/16/1991US5007735 Method of characterizing bistable semiconductor lasers
04/10/1991EP0421674A2 Laser driver with temperature compensation
04/10/1991EP0421460A2 Partially coherent light source
04/10/1991EP0421205A2 A method of fabricating highly lattice mismatched quantum well structures
04/09/1991US5007107 Multilayer; active material between cladding
04/09/1991US5007066 Semiconductor laser apparatus
04/09/1991US5007063 Laser diode
04/09/1991US5007062 Semiconductor laser source modulated at high frequency
04/09/1991US5007061 Bistable semiconductor laser diode device
04/09/1991US5007059 Optical device
04/09/1991US5006908 Epitaxial Wurtzite growth structure for semiconductor light-emitting device
04/09/1991US5005939 Optoelectronic assembly
04/09/1991US5005640 Isothermal multi-passage cooler
04/09/1991CA1282874C Semiconductor devices employing high resistivity in p-based epitaxial layer forcurrent confinement
04/09/1991CA1282831C Optical signal regenerator
04/07/1991CA2026764A1 Radiation source for partially coherent radiation
04/04/1991WO1991004595A1 Laser diode supply circuit
04/03/1991EP0420749A2 Optical semiconductor device
04/03/1991EP0420742A1 Photoreceptor for frequency-modulated optical signals
04/03/1991EP0420629A1 Light-emitting or receiving device and method for preparing the same
04/03/1991EP0420573A2 Light quantity control device
04/03/1991EP0420174A2 System for automatically generating a sequential control program
04/03/1991EP0420167A2 Electroluminescent semiconductor device
04/03/1991EP0420143A2 Method of manufacturing semiconductor laser
04/03/1991EP0409921A4 Optical feedback control in the frequency conversion of laser diode radiation
04/02/1991US5005179 Semiconductor device
04/02/1991US5005178 Laser diode module
04/02/1991US5004447 Low loss semiconductor directional coupler switches including gain method of switching light using same
1 ... 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 ... 525