Patents
Patents for H01S 5 - Semiconductor lasers (52,420)
04/2002
04/23/2002US6377592 Method for stabilizing the wavelength of a laser and arrangement for implementing said method
04/23/2002US6377591 Modularized fiber optic laser system and associated optical amplification modules
04/23/2002US6377410 Optical coupling system for a high-power diode-pumped solid state laser
04/23/2002US6377385 Optical module and optical element configuring the optical module
04/23/2002US6376339 Pendeoepitaxial methods of fabricating gallium nitride semiconductor layers on silicon carbide substrates by lateral growth from sidewalls of masked posts, and gallium nitride semiconductor structures fabricated thereby
04/23/2002US6376338 Manufacturing method of a semiconductor device having a diffraction grating
04/23/2002US6376273 Capping layer having an oxidation rate which is less than the oxidation rate of the ohmic contact
04/23/2002US6376272 Multilayer; using etching gas mixture of methane and hydrogen
04/23/2002US6376269 Vertical cavity surface emitting laser (VCSEL) using buried Bragg reflectors and method for producing same
04/23/2002US6375364 Back facet flared ridge for pump laser
04/23/2002CA2351958A1 Semiconductor laser device for use in a laser module
04/20/2002CA2359264A1 Laser diode module and mounting board
04/19/2002CA2359301A1 Optical fiber with holding member, semiconductor laser module and raman amplifier
04/18/2002WO2002032022A2 Optical communications apparatus
04/18/2002WO2002031934A2 Wavelength tunable laser source
04/18/2002WO2002031933A2 Method and system for locking transmission wavelengths for lasers in a dense wavelength division multiplexer utilizing a tunable etalon
04/18/2002WO2002031931A2 System and method for determining transmission wavelengths for lasers in a dense wavelength division multiplexer
04/18/2002WO2002031930A2 Scanning apparatus and associated method
04/18/2002WO2002031863A2 A single frequency laser
04/18/2002WO2002031569A2 Micro-positioning optical element
04/18/2002WO2002023685A8 Semiconductor laser device and method for manufacturing the same
04/18/2002WO2002003515A3 Gain voltage control of sampled grating distributed bragg reflector lasers
04/18/2002WO2002003514A3 Power and wavelength control of sampled grating distributed bragg reflector lasers
04/18/2002WO2002003313A3 Method and system for versatile optical sensor package
04/18/2002WO2001059814A3 Semiconductor structure
04/18/2002WO2001057975A3 Near-field laser and detector apparatus and method
04/18/2002WO2001050163A3 Back facet flared ridge for pump laser
04/18/2002US20020045834 Ocular-blood-flow meter
04/18/2002US20020044748 Optical module
04/18/2002US20020044745 Method of aligning an optical component with an inclined guide mounted on a base and the associated optical device
04/18/2002US20020044709 Optical threshold and comparison devices and methods
04/18/2002US20020044589 Semiconductor laser unit and optical pick-up device using the same
04/18/2002US20020044585 Multiple wavelength surface-emitting laser device and method for its manufacture
04/18/2002US20020044584 Semiconductor laser device which includes AlGaAs optical waveguide layer being formed over internal stripe groove and having controlled refractive index
04/18/2002US20020044583 Semiconductor laser device
04/18/2002US20020044582 Surface emitting semiconductor laser and method of manufacturing the same
04/18/2002US20020044581 Surface emitting semiconductor laser and method of manufacturing the same
04/18/2002US20020044580 Light receiving element and semiconductor laser device
04/18/2002US20020044578 Semiconductor laser module and method for assembling the same
04/18/2002US20020044576 Laser light intensity controller
04/18/2002US20020044575 System and method for determining transmission wavelengths for lasers in a dense wavelength division multiplexer
04/18/2002US20020044286 Method of extending the capture range of a wavelength monitor and a wavelength monitor and laser system therefor
04/18/2002US20020044197 Laser drive method and laser drive system
04/18/2002US20020043616 Method and system for locking transmission wavelengths for lasers in a dense wavelength division multiplexer utilizing a tunable etalon
04/18/2002US20020043561 Method of and system for producing digital images of objects with subtantially reduced speckle-noise patterns by illuminating said objects with spatially and/or temporally coherent-reduced planar laser illumination
04/18/2002US20020043364 Heat radiator for electronic device and method of making it
04/18/2002US20020043331 Method for manufacturing a group III nitride compound semiconductor device
04/18/2002US20020043209 Method of fabricating compound semiconductor device
04/18/2002DE10048475A1 Passivierung der Resonatorendflächen von Halbleiterlasern auf der Basis von III-V-Halbleitermaterial Passivating the resonator end faces of semiconductor lasers on the basis of III-V semiconductor material
04/18/2002DE10048443A1 Halbleiter-Laser mit erhöhter Strahlungsausbeute Semiconductor lasers with increased radiation yield
04/18/2002CA2425667A1 Micro-positioning optical element
04/17/2002EP1198043A2 Method of fabricating a III-V compound semiconductor device with an Aluminium-compound layer
04/17/2002EP1198042A2 Semiconductor laser device with a current non-injection region near a resonator end face, and fabrication method thereof
04/17/2002EP1198041A1 Linear cavity tunable laser
04/17/2002EP1198040A1 Optical devices including high reflectivity coatings
04/17/2002EP1198038A2 Evanescent-wave coupled microcavity laser
04/17/2002EP1196971A1 Nitride semiconductor layer structure and a nitride semiconductor laser incorporating a portion of same
04/17/2002EP1196799A1 Method and apparatus for vertical board construction of fiber optic transmitters, receivers and transceivers
04/17/2002EP1196795A1 Integrated optical device with coupling waveguide layer
04/17/2002CN1345474A Semiconductors structures using group III-nitride quaternary material system with reduced phase separation and method of fabrication
04/17/2002CN1345468A 氮化物半导体器件 The nitride semiconductor device
04/17/2002CN1345097A Optical device for optical element and equipment using the same
04/17/2002CN1345049A Laser driving method and device
04/17/2002CN1344817A Chemical vapour deposition device and method
04/16/2002US6374029 Optical device
04/16/2002US6374028 Ridge waveguide-type optical semiconductor device and method of fabricating the same
04/16/2002US6374004 Optical subassembly
04/16/2002US6374002 Integrated optics beam deflectors and systems
04/16/2002US6373875 Semiconductor laser structure with an increased catastrophic optical damage level
04/16/2002US6373874 Semiconductor laser and optical disk device using the laser
04/16/2002US6373872 Channel-switched tunable laser for DWDM communications
04/16/2002US6373623 Optical amplifier for use in optical communications equipment
04/16/2002US6372536 Contact structures with which it is possible to produce low-loss p-type contact with p-conducting zinc-selenium semiconductor layer
04/16/2002US6372533 Method of making a semiconductor device with aligned oxide apertures and contact to an intervening layer
04/16/2002US6371665 Plastic packaged optoelectronic device
04/16/2002US6371662 Spatially variable filter laser wavelength monitoring/control
04/11/2002WO2002029944A1 Tunable external cavity laser
04/11/2002WO2002029940A2 Method and device for automatically balancing a laser monitoring device
04/11/2002WO2002029904A1 Receiving optics and photosemiconductor device having the same
04/11/2002WO2002029465A1 Transparent substrate and hinged optical assembly
04/11/2002WO2002029461A1 Apparatus and method for vcsel monitoring using scattering and reflection of emitted light
04/11/2002WO2001084682A3 Improved mirror and cavity designs for sampled-grating distributed bragg reflector lasers
04/11/2002WO2001055773A3 Light beam adder
04/11/2002US20020042191 Chemical vapor deposition apparatus and chemical vapor deposition method
04/11/2002US20020042187 Electro-optical transceiver system with controlled lateral leakage and method of making it
04/11/2002US20020042157 Laser diodes and manufacturing methods
04/11/2002US20020042155 Optical semiconductor device having active layer and carrier recombination layer different from each other
04/11/2002US20020041740 Transparent substrate and hinged optical assembly
04/11/2002US20020041731 Two-way optical communication device, two-way optical communication system, and method for assembling two-way optical communication device
04/11/2002US20020041728 Optical transmission system and terminal device applicable to the system
04/11/2002US20020041725 Optical transmitter with back facet monitor
04/11/2002US20020041613 Semiconductor laser device and opticlal fiber amplifier using the same
04/11/2002US20020041612 Semiconductor laser device, optical pickup and fabrication method of semiconductor laser device
04/11/2002US20020041611 Method and system for locking transmission wavelengths for lasers in a dense wavelength division multiplexer utilizing a tunable etalon
04/11/2002US20020041610 Infrared generation in semiconductor lasers
04/11/2002US20020041552 Optical disk recording and reproducing apparatus
04/11/2002US20020041444 Device for converting the intensity distribution of a laser beam and a device and method for generating a laser beam with an intensity which falls constantly along an axis from one side of the beam to the other
04/11/2002US20020041426 Optical module
04/11/2002US20020041414 Output monitor/control apparatus and optical communication system
04/11/2002US20020040983 Silicon wafer with embedded optoelectronic material for monolithic OEIC