Patents
Patents for H01S 5 - Semiconductor lasers (52,420)
04/2000
04/20/2000WO2000022704A1 Method for controlling a unipolar semiconductor laser
04/20/2000WO2000022383A1 Fibre optic sensor
04/20/2000WO2000022202A1 p-TYPE ZnO SINGLE CRYSTAL AND METHOD FOR PRODUCING THE SAME
04/20/2000WO2000004615A8 Semiconductor laser, semiconductor device, and method for manufacturing the same
04/20/2000DE19947853A1 Long wavelength vertical cavity laser with integrated short wavelength pump laser
04/20/2000CA2344536A1 A tuneable laser and a method of tuning the same
04/19/2000EP0993710A1 Wdm optical communication systems with wavelength-stabilized optical selectors
04/19/2000EP0993693A1 Semiconductor micro-resonator device
04/19/2000EP0901713B1 Generator for producing a high-frequency, low-noise signal
04/18/2000US6052400 Variable wavelength semiconductor laser
04/18/2000US6052399 Independently addressable laser array with native oxide for optical confinement and electrical isolation
04/18/2000US6052398 Surface emitting semiconductor laser
04/18/2000US6052397 Laser diode device having a substantially circular light output beam and a method of forming a tapered section in a semiconductor device to provide for a reproducible mode profile of the output beam
04/18/2000US6052393 Broadband Sagnac Raman amplifiers and cascade lasers
04/18/2000US6052222 Semiconductor optical amplifier
04/18/2000US6052178 Method for aligning optical elements one another on V-groove substrate
04/18/2000US6050693 Collimator for laser projector
04/18/2000CA2200124C Method of making an inp-based device comprising semiconductor growth on a non-planar surface
04/18/2000CA2173237C Optical switching device
04/18/2000CA2165683C Electrical barrier structure for semiconductor device
04/17/2000CA2284319A1 Long wavelength vertical cavity laser with integrated short wavelength pump laser
04/13/2000WO2000021169A1 Semiconductor laser
04/13/2000WO2000021168A1 Semiconductor lasers having single crystal mirror layers grown directly on facet
04/13/2000WO2000021165A1 Apparatus for concentrating beams from broad area diode lasers, diode laser bars and/or diode laser arrays
04/13/2000WO2000021143A1 Radiation emitting semiconductor chip
04/13/2000WO2000021130A1 Methods and apparatus for hermetically sealing electronic packages
04/13/2000WO2000020912A1 Light beam display
04/13/2000WO2000019812A1 Aquarium and associated laser device and method of use therefor
04/13/2000CA2346361A1 Methods and apparatus for hermetically sealing electronic packages
04/12/2000EP0993089A2 Laser control apparatus, image forming apparatus and copier
04/12/2000EP0993088A1 Semiconductor laser with tunable gain
04/12/2000EP0993087A1 System and method for the monolithic intergration of a light emitting device and a photodetector for low bias voltage operation
04/12/2000EP0993048A2 Nitride semiconductor device and its manufacturing method
04/12/2000EP0992825A1 Electro-optical monolithic component with multi-sections
04/12/2000EP0992824A2 Micro-optical component and method for its fabrication
04/12/2000EP0992823A2 Method for aligning an electrooptical component and such a component
04/12/2000EP0992094A1 A light emitting device and transistor
04/12/2000EP0992091A2 High speed semiconductor laser driver circuits
04/12/2000EP0992063A1 A titanium nitride diffusion barrier for use in non-silicon technologies and metallization method
04/12/2000CN1250551A Lateral confinement laser
04/11/2000US6049556 Vertical cavity surface emitting laser diode operable in 1.3 μm or 1.5 μm wavelength band with improved efficiency
04/11/2000US6049554 External cavity, continuously tunable wavelength source
04/11/2000US6049175 Arrangements relating to light emitting devices
04/11/2000US6049073 Control circuit for a stabilized laser
04/11/2000US6048748 Advanced semiconductor devices fabricated with passivated high aluminum content III-V materials
04/11/2000US6048747 Laser bar cleaving apparatus
04/11/2000US6048106 Optical module including an optical connector having retaining members
04/11/2000CA2128743C An optical film, an antireflection film, a reflection film, a method for forming the optical film, the antireflection film or the reflection film and an optical device
04/06/2000WO2000019545A1 Surface-emitting diode radiation source
04/06/2000WO2000019248A1 Micro-optic lens with intergral alignment member
04/05/2000EP0991154A1 Optical semiconductor amplifier
04/05/2000EP0991153A1 Semiconductor laser module
04/05/2000EP0859947A4 Device and method for optical package for providing feedback
04/05/2000CN1249857A Stabilized DFB laser
04/05/2000CN1249853A Nitride semiconductor device
04/05/2000CA2284441A1 Electro-optical multisection monolithic component
04/04/2000US6047008 Variable wavelength laser light source
04/04/2000US6046842 Optoelectronic device with a semiconductor diode laser amplifier
04/04/2000US6046841 All-optical wavelength conversion system comprising an optical discriminator
04/04/2000US6046465 Buried reflectors for light emitters in epitaxial material and method for producing same
04/04/2000US6046464 Integrated heterostructures of group III-V nitride semiconductor materials including epitaxial ohmic contact comprising multiple quantum well
04/04/2000US6046096 Method of fabricating a device including compound semiconductor crystal and method of fabricating a compound semiconductor layer structure
04/04/2000US6046065 Crystal beam epitaxy to deposit a metamorphic semiconductor mirror layer material that can be crystallized lattice matched to gallium arsenide onto a laser structure wafer surface lattice matched to indium phosphide
04/04/2000US6045611 Inserting a lithium gallium oxide (ligao2) seed crystal cut in a direction of an angle range of 30 degrees from a b-axis direction into a ligao2 melt, pulling seed crystal by the czochralski method, cutting the c-plane to obtain substrate
04/04/2000US6045321 Method and apparatus for transporting laser bars
04/04/2000CA2162811C Wavelength stabilized light source
04/02/2000CA2284393A1 Semiconductor optical amplifier
03/2000
03/30/2000WO2000017972A1 Process for producing nitride semiconductor device
03/30/2000WO2000017971A1 Multiwavelength actively mode-locked external cavity semiconductor laser
03/30/2000WO2000017935A1 Semiconductor device
03/30/2000WO2000017691A1 Coupling lens and semiconductor laser module
03/30/2000CA2344388A1 Multiwavelength actively mode-locked external cavity semiconductor laser
03/29/2000EP0989736A1 Method and device for controlling a laser having a threshold current level
03/29/2000EP0989644A1 Quantum cascade light emitter with pre-biased internal electronic potential
03/29/2000EP0989643A1 Semiconductor light-emitting device and manufacturing method for the same
03/29/2000EP0989642A2 Semiconductor laser and multi-semiconductor laser
03/29/2000EP0989641A2 Optical hybrid integrated device and method of making the same
03/29/2000EP0989640A2 Q-switched laser apparatus
03/29/2000EP0989430A2 Method for manufacturing laser diode chip, optical transmitting/receiving module and method for aligning positions thereof
03/29/2000EP0988671A1 Resonant reflector for improved optoelectronic device performance and enhanced applicability
03/29/2000CN1248808A Q switching laser device
03/28/2000US6044102 Laser transmitting or receiving devices and method for optically transmitting information
03/28/2000US6044101 Semiconductor laser device
03/28/2000US6044100 Lateral injection VCSEL
03/28/2000US6044099 Semiconductor laser device
03/28/2000US6044098 Deep native oxide confined ridge waveguide semiconductor lasers
03/28/2000US6044097 Modulator integrated distributed feed-back laser diode module and device using the same
03/28/2000US6044096 Packaged laser diode array system and method with reduced asymmetry
03/28/2000US6044093 Fibre-grating-stabilized diode laser
03/28/2000US6043985 Thermal connecting structure for connecting materials with different expansion coefficients
03/28/2000US6043872 Method and apparatus for determining defectiveness/non-defectiveness of a semiconductor laser by examining an optical output from the semiconductor laser
03/28/2000US6043835 Raster output scanner with field replaceable laser diode
03/28/2000US6043800 Head mounted liquid crystal display system
03/28/2000US6043515 Optical semiconductor device
03/28/2000US6043514 Substrate containing an oxide having a calcium carbide crystal structure, and a nitride semiconductor layer epitaxially grown on the substrate; substrate selected for good lattice-match to a nitride semiconductor
03/28/2000US6043456 Method and device for regulating the temperature in a laser-operated printing plate imaging unit of a printing press, particularly of an offset printing press
03/28/2000US6043443 Fabrication of semiconductor devices
03/28/2000US6043140 Method for growing a nitride compound semiconductor
03/28/2000US6043104 Fabrication method of a polarization selective semiconductor laser
03/28/2000CA2171337C Optical pulse sequence generator