Patents
Patents for H01S 5 - Semiconductor lasers (52,420)
11/2004
11/17/2004CN1176513C Laser frequency and strength modulator for semiconductor laser
11/17/2004CN1176502C Manufacturing method of single-crystal GaN base and single-crystal GaN base
11/17/2004CN1176500C Light-emitting device
11/16/2004US6819861 Laminated optical waveguide array, beam collecting device and laser emission device
11/16/2004US6819838 Large surface amplifier with multimode interferometer
11/16/2004US6819832 Arrangement for monitoring the emission wavelength of a laser source
11/16/2004US6819814 Twin waveguide based design for photonic integrated circuits
11/16/2004US6819812 System and method for measuring physical, chemical and biological stimuli using vertical cavity surface emitting lasers with integrated tuner
11/16/2004US6819703 External cavity laser
11/16/2004US6819702 Pump laser diode with improved wavelength stability
11/16/2004US6819701 Super-luminescent folded cavity light emitting diode
11/16/2004US6819700 Method of manufacturing an external cavity semiconductor laser, external cavity semiconductor laser, and wavelength multiplex transmission system
11/16/2004US6819697 Moisture passivated planar index-guided VCSEL
11/16/2004US6819696 Intersubband semiconductor lasers with enhanced subband depopulation rate
11/16/2004US6819695 Dopant diffusion barrier layer for use in III-V structures
11/16/2004US6819693 Sapphire monocrystal, semiconductor laser diode using the same for substrate, and method for manufacturing the same
11/16/2004US6819692 Optical amplifiers and lasers
11/16/2004US6819688 Semiconductor laser device and optical fiber amplifier
11/16/2004US6818925 Semiconductor substrates and structures
11/16/2004US6818856 Laser machining apparatus
11/16/2004US6818465 Nitride semiconductor element and production method for nitride semiconductor element
11/16/2004US6818463 Vapor-phase growth method for a nitride semiconductor and a nitride semiconductor device
11/16/2004CA2261036C Tunable external cavity diode laser
11/11/2004WO2004098007A1 Semiconductor light-emitting device and method for manufacturing same
11/11/2004WO2004098006A1 Passive thermal compensation of laser wavelength and optical path length in an external cavity laser
11/11/2004WO2004098005A1 Multisectional laser
11/11/2004WO2004098004A2 Detection system for optical beam pointing and shaping
11/11/2004WO2004096695A2 Micromechanically actuatable optoelectronic component
11/11/2004WO2004077628A3 Flip-chip automatically aligned optical device
11/11/2004WO2004068653A9 Traverse bragg resonance lasers and amplifiers and method of operating the same
11/11/2004WO2004003971A3 Scanning light source system
11/11/2004WO2003100833A3 Method of forming quantum dots for extended wavelength operation
11/11/2004US20040224440 Method for manufacturing semiconductor laser apparatus
11/11/2004US20040223713 Technique for stabilizing laser wavelength and phase
11/11/2004US20040223712 comprises wave guide clad comprising materials whose refraction indices vary in magnitude according to temperature variation, with core through which laser/light passes
11/11/2004US20040223697 Semiconductor micro-resonator for monitoring an optical device
11/11/2004US20040223532 Semiconductor laser device
11/11/2004US20040223529 Semiconductor laser cladding layers
11/11/2004US20040223528 Semiconductor light emitting devices including embedded curent injection layers
11/11/2004US20040223527 Semiconductor laser device and optical disc unit
11/11/2004US20040223526 Stack-type diode laser device
11/11/2004US20040223525 Vertical cavity laser including inorganic spacer layers
11/11/2004US20040223438 Laser driving apparatus, an optical head apparatus, and an information processing apparatus
11/11/2004US20040222524 Thin film electrode for forming ohmic contact in light emitting diodes and laser diodes using nickel-based solid solution for manufacturing high performance gallium nitride-based optical devices, and method for fabricating the same
11/11/2004US20040222499 Group lll nitride compound semiconductor device and method for forming an electrode
11/11/2004US20040222439 Optical power monitoring for a semiconductor laser device
11/11/2004US20040222411 Devices with optical gain in silicon
11/11/2004DE10350707A1 Electrical contact for optoelectronic semiconductor chip, has mirror layer containing metal or metal alloy, protective layer, which reduces corrosion of mirror layer, barrier layer, adhesion medium layer and solder layer
11/11/2004DE10323860A1 Semiconductor edge emitting laser has active layer on resonator axis and epitaxially grown resonating mirrors on the side surfaces of the semiconductor body
11/11/2004DE10318395A1 Anordnung und Verfahren zur Justierung mindestens einer Komponente einer lichterzeugenden Vorrichtung Apparatus and method for adjusting at least one component of a light emitting device
11/11/2004DE10316220A1 Semiconductor laser amplifier has active layer sandwich between input and output facets and convergent preamplification structure in charge carrier input region
11/11/2004DE102004013109A1 Halbleiterlaservorrichtung A semiconductor laser device
11/10/2004EP1475869A2 Vertical cavity laser including inorganic spacer layers
11/10/2004EP1475868A2 External cavity laser
11/10/2004EP1475845A1 Ohmic contacts using Ni-based solid solution for p-type GaN in LEDs
11/10/2004EP1474852A1 A laser diode array with an in-phase output
11/10/2004EP1474851A2 Method of manufacturing an optical device by means of a replication method
11/10/2004EP1474824A2 Group iii nitride semiconductor crystal, production method thereof and group iii nitride semiconductor epitaxial wafer
11/10/2004EP0809885B1 Circuit configuration for feeding a pulse output stage
11/10/2004CN2655300Y Confocal scanner of constructed x ray holographic image
11/10/2004CN2655175Y High-precise angle displacement measurer based on F-P plate sine phase modulation
11/10/2004CN1545145A Method for thinning scribing of sapphire group nitride chip
11/10/2004CN1175533C Semiconductor element and manufacture thereof
11/10/2004CN1175500C Luminous element with roughed interface and its producing method
11/10/2004CN1175473C GaN signale crystalline substrate and method of producing the same
11/09/2004US6817024 Method of fixing a laser diode to an optical base and optical pickup using the optical base
11/09/2004US6816532 Laser-diode-excited laser apparatus, fiber laser apparatus, and fiber laser amplifier in which laser medium doped with one of ho3+, sm3+, eu3+, dy3+, er3+, and tb3+is excited with gan-based compound laser diode
11/09/2004US6816531 High-power, kink-free, single mode laser diodes
11/09/2004US6816530 Nonlinear semiconductor light sources
11/09/2004US6816529 High speed modulation of arrayed lasers
11/09/2004US6816528 Method and structure for nitride based laser diode arrays on a conducting substrate
11/09/2004US6816527 Surface emitting semiconductor laser
11/09/2004US6816526 Gain guide implant in oxide vertical cavity surface emitting laser
11/09/2004US6816525 Quantum dot lasers
11/09/2004US6816524 InGaAsP or InGaAs semiconductor laser element in which near-edge portion of active layer is substituted with GaAs optical waveguide layer having greater bandgap than active layer
11/09/2004US6816523 VCSEL package and fabrication method
11/09/2004US6816522 Semiconductor laser apparatus and method for manufacturing the same
11/09/2004US6816521 Photonic device with monitor
11/09/2004US6816518 Wavelength tunable high repetition rate optical pulse generator
11/09/2004US6816517 Micro-electromechanical devices for wavelength tunable lasers
11/09/2004US6816516 Error signal generation system
11/09/2004US6816450 Optical pickup apparatus that emits two light beams having two different wavelengths
11/09/2004US6815786 Semiconductor optical device and method of manufacturing the same
11/09/2004US6815736 Isoelectronic co-doping
11/09/2004US6815731 Light emitting semiconductor device with GaInNAs active layers and GaAs spacer layers
11/09/2004US6815730 Nitride-based semiconductor light-emitting device
11/09/2004US6815729 Electro-optical apparatus
11/09/2004US6815728 Nitride semiconductor light-emitting device and optical device and light-emitting apparatus with the nitride semiconductor light-emitting device
11/09/2004US6815727 Semiconductor light emitting device
11/09/2004US6815726 Semiconductor device and semiconductor substrate, and method of fabricating the same
11/09/2004US6815721 Diamond semiconductor and diamond semiconductor light-emitting device that uses the semiconductor
11/09/2004US6815242 Semiconductor device and method of manufacturing the same
11/09/2004US6815241 GaN structures having low dislocation density and methods of manufacture
11/09/2004US6814501 Light-emitting device and optical transmission unit
11/09/2004CA2367362C Vcsel power monitoring system using plastic encapsulation techniques
11/04/2004WO2004095664A1 Programmable damping resistance for laser drivers
11/04/2004WO2004095663A1 Semiconductor laser device
11/04/2004WO2004095662A2 Bandgap engineering
11/04/2004WO2004095656A1 Coated optics to improve durability
11/04/2004WO2004095654A2 Adjustable power control for laser drivers and laser diodes