Patents
Patents for H01S 5 - Semiconductor lasers (52,420)
09/2002
09/26/2002WO2002075390A2 Semiconductor laser pump locker incorporating multiple gratings
09/26/2002WO2002075386A2 Guide structure for transformation of the mode of propagation from a gaussian type profile into a mode of propagation with a wideband profile
09/26/2002WO2002075263A1 A micro-electromechanically tunable vertical cavity photonic device and a method of fabrication thereof
09/26/2002WO2002063699A3 Group iii nitride led with undoped cladding layer
09/26/2002WO2002061473A3 Optoelectronic signal transmission semi-conductor element and method for producing a semi-conductor element of said type
09/26/2002WO2002054543A3 Diode laser
09/26/2002WO2002007346A8 Optical wavelength converter
09/26/2002WO2001071867A3 Optical amplifiers and lasers
09/26/2002WO2001027980A9 Single step pendeo- and lateral epitaxial overgrowth of group iii-nitride layers
09/26/2002WO2001018580A9 An optoelectronic assembly and method for fabricating the same
09/26/2002WO2001006297A3 Method and apparatus for combining light output from multiple laser diode bars
09/26/2002US20020137251 Method of manufacturing optical devices and related improvements
09/26/2002US20020137249 Semiconductor device and semiconductor substrate, and method for fabricating the same
09/26/2002US20020137248 Manufacturing method of semiconductor film
09/26/2002US20020137245 Surface emitting laser and photodiode, manufacturing method therefor, and optoelectric integrated circuit using the surface emitting laser and the photodiode
09/26/2002US20020137244 Method for forming a semiconductor device having a metal substrate
09/26/2002US20020137243 Method for forming a semiconductor device having a metallic substrate
09/26/2002US20020136932 GaN-based light emitting device
09/26/2002US20020136480 Polarization transformer
09/26/2002US20020136259 Optical modulator system
09/26/2002US20020136258 Semiconductor laser pump locker incorporating multiple gratings
09/26/2002US20020136256 Semiconductor laser device
09/26/2002US20020136255 Semiconductor laser, optical element provided with the same and optical pickup provided with the optical element
09/26/2002US20020136254 Semiconductor laser devices, and semiconductor laser modules and optical communication systems using the same
09/26/2002US20020136253 Semiconductor laser device and method for fabricating same
09/26/2002US20020136252 Quantum cascade laser with relaxation-stablized injection
09/26/2002US20020136250 Diode laser component
09/26/2002US20020136249 Optical wavelength stabilization circuit, optical transmitter and optical transmission system
09/26/2002US20020136248 Modulation system and methods for optical source bank
09/26/2002US20020136120 Laser drive unit and information recording/reproducing apparatus
09/26/2002US20020136104 Error signal generation system
09/26/2002US20020135909 Optical cavities for optical devices
09/26/2002US20020135878 Optical element having wavelength selectivity
09/26/2002US20020135867 Saturated amplifier generating burst support signal
09/26/2002US20020135853 Photonic band gap device and method using a periodicity defect region doped with a gain medium to increase photonic signal delay
09/26/2002US20020134773 Light-tight positioner
09/25/2002EP1244141A1 Manufacturing method of a nitride semiconductor device
09/25/2002EP1244139A2 Manufacturing method of semiconductor film
09/25/2002EP1243955A2 Integrated optical module with wave front compensation
09/25/2002EP1243055A2 Semiconductor laser element having a diverging region
09/25/2002EP1243030A1 White light source based on non-linear optical processes
09/25/2002EP1097394B1 External cavity laser
09/25/2002CN1371539A Wavelength-locked external cavity lasers with integrated modulator
09/25/2002CN1371538A Multiwavelength distributed bragg reflector phased array laser
09/25/2002CN1371483A Waveguide structures integrated with standard CMOS circuitry and methods for making same
09/25/2002CN1371150A Semiconductor laser diode for controlling width of carrier inner flow path
09/25/2002CN1371096A Automatic laser diode output controlling method and controller
09/24/2002US6456641 High-frequency semiconductor laser module
09/24/2002US6456640 Gallium nitride type semiconductor laser device
09/24/2002US6456639 Semiconductor light emitting device with II-VI group semiconductor contact layer containing alkali metal impurity, method of producing the same, and optical device including same
09/24/2002US6456638 High-power short-wavelength semiconductor light emitting device having active layer with increased indium content
09/24/2002US6456636 Ultraviolet electroluminescent element and laser luminescent element
09/24/2002US6456635 Semiconductor laser device
09/24/2002US6456429 Double-pass optical amplifier
09/24/2002US6456423 Silicon nanoparticle microcrystal nonlinear optical devices
09/24/2002US6456417 All-optical flip-flop device
09/24/2002US6455944 Alignment of an optical assembly
09/24/2002US6455930 Integrated heat sinking packages using low temperature co-fired ceramic metal circuit board technology
09/24/2002US6455879 Low resistance contact semiconductor diode
09/24/2002US6455877 Gallium nitride multilayer light-emitting laser diodes on sapphire substrates having n-type junction electrodes on the nitride-terminal surfaces of the substrate; low voltage and current density
09/24/2002US6455876 Amorphous dielectrics containing silicon, hydrogen and nitrogen used as reflection or antireflectivity films for lasers having oscillation wavelengths for use in optical communication; power sources
09/24/2002US6455870 Unipolar light emitting devices based on III-nitride semiconductor superlattices
09/24/2002US6455342 Semiconductor device, its manufacturing method and substrate for manufacturing a semiconductor device
09/24/2002US6455341 Increasing the yield of precise wavelength lasers
09/24/2002US6455340 Method of fabricating GaN semiconductor structures using laser-assisted epitaxial liftoff
09/24/2002US6455338 Method of manufacturing an integrated semiconductor laser-modulator device
09/24/2002US6455337 Group III-V nitride laser devices with cladding layers to suppress defects such as cracking
09/24/2002US6454468 Method for manufacturing laser diode chip, optical transmitting/receiving module and method for aligning positions thereof
09/19/2002WO2002073833A1 Wdm channel monitoring system and method
09/19/2002WO2002073758A1 Rare earth ion-doped semiconductor devices for optical communication
09/19/2002WO2002073757A2 A wavelength stablilised laser source
09/19/2002WO2002073756A2 Optical devices
09/19/2002WO2002073755A2 System and method of packaging a laser/detector
09/19/2002WO2002073753A2 Mode control using transversal bandgap structure in vcsels
09/19/2002WO2002073707A1 Low-dimensional plasmon light emitting device
09/19/2002WO2002073294A1 Variable light wave function circuit and variable light wave function device
09/19/2002WO2002054116A3 An optical system having a holographic optical element
09/19/2002WO2001095445A3 Optically-pumped semiconductor laser with output coupled to optical fiber
09/19/2002WO2001024328A9 Method of converting an optical wavelength with an opto-electronic laser with integrated modulator
09/19/2002WO2001017076A9 Tunable laser source with integrated optical amplifier
09/19/2002US20020131731 Light source having plural laser diode modules
09/19/2002US20020131726 Method and structure for packaging a high efficiency electro-optics device
09/19/2002US20020131714 Guiding structure for transforming a gaussian type propagation mode profile into a widened type propagation mode profile and application to the manufacture of a wavelength multiplexer / demultiplexer
09/19/2002US20020131668 Method of manufacturing optical devices and related improvements
09/19/2002US20020131470 Optical pulse source for long haul optical communication systems
09/19/2002US20020131466 Electroabsorption modulated laser
09/19/2002US20020131465 Integrated surface-emitting laser and modulator device
09/19/2002US20020131464 Vertical cavity surface emitting laser and a method of fabrication thereof
09/19/2002US20020131463 Interband cascade light emitting device and method of making same
09/19/2002US20020131462 Intracavity contacted long wavelength VCSELs with buried antimony layers
09/19/2002US20020131461 Vertical cavity master oscillator power amplifier
09/19/2002US20020131460 System and method of packaging a laser/detector
09/19/2002US20020131459 Control device for laser diodes
09/19/2002US20020131458 Micro-electromechanically tunable vertical cavity photonic device and a method of fabrication thereof
09/19/2002US20020131358 Laser driving method and device, and recording/reproducing device and method
09/19/2002US20020131241 Module housing apparatus
09/19/2002US20020131054 Tunable filter system with out-of-band reference
09/19/2002US20020130329 Optical semiconductor apparatus, and its fabrication method
09/19/2002US20020130249 Optical subassembly
09/19/2002US20020129723 Image-recording device for a printing form, having an array of VCSEL light sources