Patents
Patents for H01S 5 - Semiconductor lasers (52,420)
11/2000
11/29/2000EP1056172A2 Manufacturing method of semiconductor laser
11/29/2000EP1056169A2 Semiconductor optical pulse compression waveguide
11/29/2000EP1056079A2 Optical output adjustment apparatus and optical output adjustment method
11/29/2000EP1055958A1 Active optical MMI waveguide device
11/29/2000EP1055272A1 A gain coupled distributed feedback semiconductor laser
11/29/2000EP0663109B1 Multi-stripe array grating integrated cavity laser
11/29/2000CN1274974A Method for manufacture of semiconductor element, semiconductor element and gyro thereof
11/29/2000CN1274917A Optical output regulating apparatus and method
11/28/2000US6154480 Vertical-cavity laser and laser array incorporating guided-mode resonance effects and method for making the same
11/28/2000US6154479 VCSELs (vertical-cavity surface emitting lasers) and VCSEL-based devices
11/28/2000US6154476 P-type gaas substrate, p-type region including a p-type aluminum gallium arsenide (algaas) lower cladding layer, active layer, and n-type region with specified n-type algaas upper cladding layer having specified carrier concentration
11/28/2000US6154475 Silicon-based strain-symmetrized GE-SI quantum lasers
11/28/2000US6154474 Laser diode optical wavelength control apparatus
11/28/2000US6154471 Magnetically tunable and latchable broad-range semiconductor laser
11/28/2000US6154319 Multiple laser beam generation
11/28/2000US6154318 Group-delay-dispersive multilayer-mirror structures and method for designing same
11/28/2000US6153894 Active layer as a nitride mixed-crystal layer directly joined to the upper end layer of super lattice structure in which n-type nitride semiconductor crystal layers of different composition are stacked repeatedly; emits long wavelength
11/28/2000US6153318 Layered material having properties that are variable by an applied electric field
11/28/2000US6153010 Method of growing nitride semiconductors, nitride semiconductor substrate and nitride semiconductor device
11/23/2000WO2000070721A1 Optical transmitter
11/23/2000WO2000070425A2 Optical module and method of making
11/23/2000DE19916571A1 Einstellbares Bragg-Gitter-Filtermodul Adjustable Bragg grating filter module
11/23/2000CA2371971A1 Optical module and method of making
11/22/2000EP1054491A2 Gallium nitride based semiconductor light emitting device
11/22/2000EP1054487A2 Integrated lightweight optical bench and miniaturized laser transmitter using same
11/22/2000EP1054442A2 Method for growing epitaxial group III nitride compound semiconductors on silicon
11/22/2000EP1053577A1 Gaussian profile promoting cavity for semiconductor laser
11/22/2000EP1053575A4 Temperature compensation of laser diodes
11/22/2000EP1053575A1 Temperature compensation of laser diodes
11/22/2000EP1053574A2 Microelectromechanically tunable, confocal, vertical cavity surface emitting laser and fabry-perot filter
11/22/2000EP1053545A1 Integrated optical apparatus providing separated beams on a detector and associated methods
11/22/2000CN2407479Y Semiconductor laser source for holography
11/21/2000US6151351 Distributed feedback semiconductor laser and method for producing the same
11/21/2000US6151348 Semiconductor laser
11/21/2000US6151347 Laser diode and method of fabrication thereof
11/21/2000US6151344 Automatic power control of semiconductor laser
11/21/2000US6151342 Bright diode-laser light-source
11/21/2000US6151341 Stackable integrated diode packaging
11/21/2000US6151339 Thermal compensation of injection laser diodes driven by shunt current modulators
11/21/2000US6151338 High power laser optical amplifier system
11/21/2000US6151168 Optical array for symmetrization of laser diode beams
11/21/2000US6150672 P-type group III-nitride semiconductor device
11/21/2000US6150661 Gas spectroscopy
11/19/2000CA2308427A1 Optical output adjustment apparatus and optical output adjustment method
11/16/2000WO2000069039A1 Broadening the linewidth of a semiconductor laser
11/16/2000WO2000069037A2 Wavelength division multiplexed array of long-wavelength vertical cavity lasers
11/16/2000WO2000069034A2 Solid-state laser system using high-temperature semiconductor diode laser as an optical pump source
11/16/2000WO2000068720A1 Phase conjugating structure for mode matching in an optical amplifier
11/16/2000WO2000068470A1 Magnesium-doped iii-v nitrides & methods
11/16/2000DE19922521A1 Optical transmitter has transmission element whose modulation current can be set to exceed permitted total power limit for eye safety, damping element to maintain output power within limit
11/16/2000CA2371002A1 Broadening the linewidth of a semiconductor laser
11/16/2000CA2370969A1 Wavelength division multiplexed array of long-wavelength vertical cavity lasers
11/15/2000EP1052747A2 Semiconductor laser, semiconductor optical amplifier, and production method thereof
11/15/2000EP1052705A1 Method for fabricating a group III Nitride semiconductor device
11/15/2000EP1052684A1 A method for manufacturing group III nitride compound semiconductor and a light-emitting device using group III nitride compound semiconductor
11/15/2000EP1052526A2 Controlled multi-wavelenght etalon
11/15/2000EP1051783A2 Semiconductor laser chip
11/15/2000EP1051782A1 A wavelength-selectable laser system using cavity resonance frequency, especially useful for fiber optic communication and wavelength division multiplexing
11/15/2000EP1051759A1 Light emitting device with phosphor composition
11/15/2000EP1051758A1 Light emitting device with phosphor having high luminous efficacy
11/15/2000CN2406391Y Laser diode device
11/15/2000CN1273703A Semiconductor laser device
11/15/2000CN1273448A Semiconductor device and manafacturing method thereof
11/15/2000CN1273415A Luminous module and compatible optical reading device using the luminous module
11/14/2000US6148132 Semiconductor optical amplifier
11/14/2000US6148128 Passively temperature-compensated wavelength-tunable device comprising flexed optical gratings and communication systems using such devices
11/14/2000US6148017 Laser diode/modulator combination
11/14/2000US6148016 Integrated semiconductor lasers and photodetectors
11/14/2000US6148015 Device, in particular a semiconductor device, for processing two waves, in particular light waves
11/14/2000US6148014 Visible wavelength semiconductor optoelectronic device with a high power broad, significantly laterally uniform, diffraction limited output beam
11/14/2000US6148013 Visible wavelength, semiconductor optoelectronic device with a high power broad, significantly laterally uniform, diffraction limited output beam
11/14/2000US6148012 Multiple wavelength quantum cascade light source
11/14/2000US6147795 Retrofit heater for erbium fiber in an erbium-doped fiber amplifier (EDFA)
11/14/2000US6147784 Simultaneous wavelength-division multiplexing and broadcast transmission system
11/14/2000US6147365 Optoelectronic semiconductor component
11/14/2000US6147364 Compound semiconductor device formed of nitrogen-containing gallium compound such as gan, algan or ingan
11/14/2000US6146456 Method for annealing single crystal fluoride and method for manufacturing the same
11/14/2000US6146025 Laser diode and substrate
11/09/2000WO2000067048A2 Optical source and method
11/09/2000WO2000041349A3 A method and coupling to change the wavelength of an optical transmitter in a system using wavelength division multiplexing
11/09/2000WO2000033433B1 Compound semiconductor structures for optoelectronic devices
11/09/2000WO1998010544A3 Producing laser light of different wavelengths
11/09/2000DE19947817A1 Oben-Kontakt-VCSEL mit Monitor Top contacting VCSEL with Monitor
11/09/2000DE10021564A1 Vertical cavity surface emitting laser with monitoring diode, comprises both p-type and n-type contacts on same face
11/09/2000CA2370456A1 Optical source and method
11/08/2000EP1050088A1 Method of optimizing the operation points of lasers and means for carrying out the method
11/08/2000EP0783784B1 Optical fibre with quantum dots
11/08/2000CN1272622A Gyroscope device and gyroscope
11/07/2000US6144785 Light source with WDM function, and optical amplifier and two-way optical transmission apparatus applied therewith
11/07/2000US6144685 Two-dimensional surface emitting laser array, two-dimensional surface emitting laser beam scanner, two-dimensional surface emitting laser beam recorder, and two-dimensional surface emitting laser beam recording method
11/07/2000US6144684 Smart laser diode array assembly
11/07/2000US6144683 Red, infrared, and blue stacked laser diode array by wafer fusion
11/07/2000US6144682 Spatial absorptive and phase shift filter layer to reduce modal reflectivity for higher order modes in a vertical cavity surface emitting laser
11/07/2000US6144681 Article comprising a dual-wavelength quantum cascade photon source
11/07/2000US6144680 Laser driving apparatus and image forming apparatus using the same
11/07/2000US6144678 External cavity semiconductor laser light source
11/07/2000US6144486 Pump wavelength tuning of optical amplifiers and use of same in wavelength division multiplexed systems
11/07/2000US6144025 Laser light source apparatus
11/07/2000US6143582 High density electronic circuit modules
11/07/2000US6142650 Laser flashlight