Patents
Patents for H01S 5 - Semiconductor lasers (52,420)
11/1991
11/26/1991US5068865 Semiconductor laser module
11/26/1991US5068863 Compensating circuit for high power lasers
11/26/1991US5068862 Pulsed laser
11/26/1991US5068546 Solid state laser operating with frequency doubling and stabilized by an external resonator
11/26/1991CA1292552C Laser module and method of coupling an optical fiber thereto
11/26/1991CA1292549C Light emitting semiconductor device
11/26/1991CA1292548C Preservation of surface features on semiconductor surfaces
11/21/1991EP0457571A2 Strained superlattice semiconductor structure
11/21/1991EP0457483A2 Controllable semiconductor modulator having interleaved contacts
11/21/1991EP0457479A2 Nonlinear external cavity modelocked laser
11/21/1991EP0457344A2 Semiconductor light-emitting device
11/19/1991US5067134 Resonator Cavity Comprising A Glass Composition Of Heavy Metal Fluorides Including Thulium Fluoride
11/19/1991US5067122 Method of determining the monitor sensitivity of, and method and system for controlling a radiation emitting arrangement, and optical recording and/or reproducing apparatus including such a system
11/19/1991US5067072 Virtual software machine which preprocesses application program to isolate execution dependencies and uses target computer processes to implement the execution dependencies
11/13/1991EP0456485A2 Method for producing a semiconductor device
11/13/1991EP0456450A2 Phase locked laser arrays with single lobe output beam
11/13/1991EP0456429A2 Semiconductor laser device
11/13/1991EP0456043A2 Monolithically integrated semiconductor optical preamplifier
11/13/1991EP0455939A2 Method and module for coupling from a light emitting diode
11/12/1991WO1991018421A1 Laser diode, method for making laser diode and method for monitoring performance of laser diode
11/12/1991US5065456 Method and apparatus for enhancing the enable response of a laser diode used in an optical communication system
11/12/1991US5065406 Semiconductor laser chip and method of making the same
11/12/1991US5065404 Transverse-mode oscillation semiconductor laser device
11/12/1991US5065403 Self-alignment type window semiconductor laser
11/12/1991US5065402 Transverse-mode stabilized laser diode
11/12/1991US5065401 Pulse jitter reduction method for a laser diode or array
11/12/1991US5065226 Laser diode module
11/12/1991US5065200 Geometry dependent doping and electronic devices produced thereby
11/12/1991CA2079593A1 Laser diodes and method for making laser diodes
11/12/1991CA1292050C Laser temperature controller
11/12/1991CA1292040C Semiconductor optical amplifier with shortened gain recovery time
11/10/1991CA2040784A1 Monolithically integrated semiconductor optical preamplifier
11/09/1991WO1991017474A1 Optical signal regenerator and optical communications system incorporating same
11/09/1991CA2082389A1 Optical signal regenerator and optical communications system incorporating same
11/07/1991DE4014233A1 DFB laser diode with cleaner gain coupling - has grating layer structure causes coupling index to counteract that of absorption layer
11/06/1991EP0455541A1 Spatial light modulator with a polymeric photoconductor
11/06/1991EP0455015A2 Semiconductor laser
11/06/1991EP0454902A2 Monolithically integrated circuit with DFB laser diode, optical switch and waveguide connections
11/05/1991US5063570 Semiconductor laser arrays using leaky wave interarray coupling
11/05/1991US5063569 Vertical-cavity surface-emitting laser with non-epitaxial multilayered dielectric reflectors located on both surfaces
11/05/1991US5063568 Wavelength stabilized light source
11/05/1991US5063567 Photoreceptor for frequency-modulated optical signals
11/05/1991US5063173 Method for mirror passivation of semiconductor laser diodes
11/02/1991WO1991017575A2 Optoelectronic device
11/02/1991WO1991017571A1 Photo detectors
11/02/1991CA2081020A1 Photo detectors
10/1991
10/31/1991WO1991016748A1 Front-surface emitting diode laser
10/31/1991WO1991016746A1 Compensating circuit for high power lasers
10/31/1991WO1991016640A1 Device for the non-contact measurement of speed, displacement distance and/or range
10/30/1991EP0454566A1 Electron-pumped compact semiconductor laser
10/30/1991EP0454476A2 Semiconductor laser having double heterostructure and method of producing the same
10/30/1991EP0454174A1 Light emitting semiconductor device with Fresnel lens
10/30/1991EP0454168A2 Driving method and apparatus of a PNPN semiconductor device
10/29/1991US5062117 Tailored laser system
10/29/1991US5062115 High density, independently addressable, surface emitting semiconductor laser/light emitting diode arrays
10/29/1991US5062114 Output beam control device for a semiconductor laser
10/29/1991US5062113 Light source drive device
10/24/1991DE4034187A1 Quantum well opto-electronic device contg. disordered regions - uses quantum well materials which do not cause lattice distortion or mismatch due to intermingling of constituents
10/23/1991EP0452950A2 Semiconductor device using whiskers and manufacturing method of the same
10/23/1991EP0452869A1 Method of making a semiconductor device.
10/23/1991EP0452838A1 Optical phase conjugation apparatus including light pipe for multiple beam combination
10/22/1991USRE33722 Optical system with bright light output
10/22/1991US5060310 Apparatus and method for reduction of intermodulation distortion in an optical fiber network
10/22/1991US5060237 Multi-beam laser diode array
10/22/1991US5060236 Semiconductor light emission system
10/22/1991US5060235 Semiconductor laser element selectively emitting lights of different wavelengths
10/22/1991US5060234 Injection laser with at least one pair of monoatomic layers of doping atoms
10/22/1991US5060233 Miniature blue-green laser source using second-harmonic generation
10/22/1991US5060028 Varying energy level layers composed of lattice matched aluminum gallium indium phosphides
10/22/1991US5059917 Optical phase conjugation apparatus including light pipe for multiple beam combination
10/22/1991US5059780 Light power control circuit for a semiconductor light-emitting element
10/22/1991US5059552 Process for forming the ridge structure of a self-aligned semiconductor laser
10/22/1991US5059001 Non-linear optical device with quantum micro hetero structure
10/22/1991US5058700 Drive force distribution control system for motor vehicle
10/22/1991CA1291254C Multiwavelength laser source
10/21/1991WO1991016747A1 High power laser diode
10/17/1991DE4111864A1 Laser-diode for surgical use - is focussed to uniform image by two orthogonal compensating cylindrical lenses
10/16/1991EP0452146A1 Method of fabricating a semiconductor laser device
10/16/1991EP0452032A2 Top-emitting surface emitting laser structures
10/16/1991EP0451843A2 Semiconductor device and method of manufacturing the same
10/16/1991EP0451733A1 Method of driving a laser diode for an optical card recording/reproducing apparatus
10/16/1991EP0303642B1 Laser interferometer for the interferometric measuring of length
10/15/1991US5058124 Semiconductor device and piezoelectric stack optical mounting assembly
10/15/1991US5058121 Coupling structures for a phase-locked laser array
10/15/1991US5058120 Visible light emitting semiconductor laser with inverse mesa-shaped groove section
10/15/1991US5057906 Plastic molded type semiconductor device
10/15/1991US5057881 Light emitting compositional semiconductor device
10/15/1991CA1290801C Method and apparatus for stabilizing oscillation frequency separation among plural laser devices
10/15/1991CA1290656C Zinc diffusion into indium phosphide
10/15/1991CA1290601C Method for generating a lattice structure with a phase shift on the surface of a substrate
10/10/1991DE4010823A1 Monolithic mode-synchronised semiconductor laser - has electrodes on outer sides receiving current to change optical length of waveguide
10/09/1991EP0451017A1 Laser incorporating monolithically integrated frequency converter
10/09/1991EP0450902A2 A method for the production of a semiconductor laser device
10/09/1991EP0450677A1 Device for generating blue laser light
10/09/1991EP0450668A2 Semiconductor laser array having power and high beam quality
10/09/1991EP0450603A2 Method and apparatus for light amplification exhibiting a flat gain spectrum
10/09/1991EP0450560A2 An optical device
10/09/1991EP0450557A2 Laser light wavelength shifter
10/09/1991EP0450385A1 Supply assembly of an amplifier for optical fibre
10/09/1991EP0450255A1 Process for forming the ridge structure of a self-aligned semiconductor laser