Patents
Patents for H01S 5 - Semiconductor lasers (52,420)
03/1998
03/24/1998US5732102 Laser component having a bragg reflector of organic material, and a method of making it
03/24/1998US5732101 VCSEL device and optical pickup apparatus adopting the same
03/24/1998US5732099 Semiconductor light emitting device
03/24/1998US5732096 Control circuit for supplying a driving current to a laser diode
03/24/1998US5731602 Laser diode package with anti-reflection and anti-scattering coating
03/19/1998WO1998011636A1 Low cost means of modulating a laser
03/19/1998WO1997050109A3 Vertical-cavity surface-emitting laser array
03/18/1998EP0829976A2 Broad linewidth lasers for optical fiber communication systems
03/18/1998EP0829935A2 Optical freqency stabilizer
03/18/1998EP0829934A1 Method for fabricating an optoelectrical semiconductor device and a device or matrix of devices fabricated using said method
03/18/1998EP0829933A2 VCSEL integral feedback assembly
03/18/1998EP0829121A1 Dfb laser diode structure with complex optical grid coupling
03/18/1998EP0829120A1 Tuneable, adjustment-stable laser light source with a spectral filtered output
03/18/1998EP0829119A1 Microcavity semiconductor laser
03/18/1998EP0829100A1 Radiation-emitting semiconductor diode having a separate confinement layer comprising a semiconductor material with at most 30 % aluminum or a semiconductor material free of aluminum
03/18/1998EP0696348B1 Rapid turn-on source for fiber optic gyroscope
03/18/1998CN1176509A Semiconductor laser device
03/18/1998CN1176498A Compound semicoductor light-emitting device of gallium nitride series
03/18/1998CN1176497A Semiconductor light emitting diode and method for manufacturing the same
03/17/1998US5729568 Power-controlled, fractal laser system
03/17/1998US5729567 Multilayer film structure and vertical cavity surface emitting lasers
03/17/1998US5729566 Light emitting device having an electrical contact through a layer containing oxidized material
03/17/1998US5729563 Method and apparatus for optically and thermally isolating surface emitting laser diodes
03/17/1998US5729561 Semiconductor laser device
03/17/1998US5729519 Optical head including a semiconductor laser having a non-scatter area to diffuse incident light beams
03/17/1998US5729030 Semiconductor device
03/17/1998US5729029 Maximizing electrical doping while reducing material cracking in III-V nitride semiconductor devices
03/17/1998US5728605 Method for producing an optical semiconductor device having a carrier injection path or an electric-field applying path
03/17/1998US5728509 Arcuate film formed by photolithography on photoresist film formed on surface of device
03/17/1998US5728215 Method for forming a film by selective area MOCVD growth
03/17/1998US5727618 Modular microchannel heat exchanger
03/12/1998WO1998010544A2 Producing laser light of different wavelengths
03/12/1998DE19652548C1 Continuous epitaxy of nitrogen-containing semiconductor layers
03/11/1998EP0828325A1 Optical semiconductor amplifier
03/11/1998EP0828324A2 Semiconductor laser device
03/11/1998EP0828302A2 Gallium nitride group compound semiconductor light-emitting device and method for fabricating the same
03/11/1998EP0828178A2 Wavelength conversion apparatus with improved efficiency, easy adjustability, and polarization insensitivity
03/11/1998EP0827648A1 Arrangements relating to light emitting devices
03/11/1998EP0827640A1 Laser transmitting or receiving devices and method, for optically transmitting information
03/11/1998CN1175808A Optical semiconductor device
03/10/1998US5727096 Process for making a monolithic integrated structure incorporating opto-electronic components and structure made in this way
03/10/1998US5727016 Spatially coherent diode laser with lenslike media and feedback from straight-toothed gratings
03/10/1998US5727015 Distributed feedback semiconductor laser
03/10/1998US5727014 Vertical-cavity surface-emitting laser generating light with a defined direction of polarization
03/10/1998US5727013 Single lobe surface emitting complex coupled distributed feedback semiconductor laser
03/10/1998US5727012 Heterostructure laser
03/10/1998US5727010 Article comprising an improved quantum cascade laser
03/10/1998US5727009 Semiconductor laser apparatus and optical pickup apparatus using the same
03/10/1998US5727008 Semiconductor light emitting device, semiconductor laser device, and method of fabricating semiconductor light emitting device
03/10/1998US5726813 Optical apparatus with replacement semiconductor laser
03/10/1998US5726798 Method and apparatus for filter infrared emission
03/10/1998US5726794 DC bias controller for optical modulator
03/10/1998US5726462 Semiconductor structures having electrically insulating and conducting portions formed from an AlSb-alloy layer
03/10/1998US5726078 Gaas, gainp, low pressure vapor deposition
03/05/1998WO1998009397A1 Simultaneous wavelength-division multiplexing and broadcast transmission system
03/05/1998DE19713828A1 Semiconductor device especially laser diode
03/05/1998DE19636229A1 Method of determining degradation process in semiconductor lasers
03/04/1998EP0827243A1 Optical semiconductor device and method for making the same
03/04/1998EP0827242A2 Semiconductor laser
03/04/1998EP0827241A2 Semiconductor laser
03/04/1998EP0827211A2 A photo detector with an integrated mirror and a method of making the same
03/04/1998EP0827141A2 Laser control circuit in recordable optical disk drive
03/04/1998EP0826256A1 Process for producing a dfb laser diode with coupled waveguide and dfb laser diode film structure
03/04/1998EP0826254A1 Optical frequency generator
03/04/1998EP0707747B1 Laser device
03/04/1998EP0627094B1 Optical switching device
03/03/1998US5724377 Method and apparatus for improving the instability of a laser
03/03/1998US5724376 Transparent substrate vertical cavity surface emitting lasers fabricated by semiconductor wafer bonding
03/03/1998US5724375 Vertical cavity surface emitting laser with enhanced second harmonic generation and method of making same
03/03/1998US5724374 Aperture comprising an oxidized region and a semiconductor material
03/03/1998US5724170 Automatic power control circuit
03/03/1998US5724164 Continuously tunable laser
03/03/1998US5724145 Optical film thickness measurement method, film formation method, and semiconductor laser fabrication method
03/03/1998US5723881 Dual-beam laser diode
03/03/1998US5723864 Linear cavity laser system for ultra-sensitive gas detection via intracavity laser spectroscopy (ILS)
03/03/1998US5723360 Method of processing an epitaxial wafer of InP or the like
02/1998
02/26/1998WO1998008280A1 Aperture comprising an oxidized region and a semiconductor material
02/26/1998WO1998008278A1 Vertical cavity surface emitting lasers using patterned wafer fusion
02/26/1998WO1998008128A1 Arrangement for geometrically shaping a radiation field
02/26/1998DE19704502C1 Laser module with fine adjustment method e.g. for micrometre range transmission engineering
02/26/1998DE19633569A1 Solid state laser light source wavelength control method
02/25/1998EP0825689A2 Optical device capable of switching output intensity of light of predetermined polarized wave, optical transmitter using the device, network using the transmitter, and method of driving optical device
02/25/1998EP0824774A1 Process and device for forming and guiding the radiation field of one or several solid and/or semiconductor lasers
02/25/1998EP0824773A1 A laser amplifier, an optical system comprising such a laser amplifier and a method of forming such a laser amplifier
02/25/1998EP0617852B1 Apparatus and method for controlling an extinction ratio of a laser diode over temperature
02/25/1998CN1174429A Semiconductor laser array
02/24/1998US5721801 Membrane optical waveguide device and method of fabrication
02/24/1998US5721752 Semiconductor laser device
02/24/1998US5721751 Semiconductor laser
02/24/1998US5721750 Laser diode for optoelectronic integrated circuit and a process for preparing the same
02/24/1998US5721637 Wavelength converter apparatus
02/24/1998US5721636 Laser pumping of erbium amplifier
02/24/1998US5721579 Light intensity controlling apparatus and image forming apparatus therewith
02/24/1998US5720893 Tapered beam expander waveguide integrated with a diode lasesr
02/19/1998WO1998007218A1 Vertical cavity surface emitting laser with tunnel junction
02/19/1998WO1998000894A3 Optical semiconductor component with deep ridged waveguide
02/19/1998DE19735094A1 Geometric shaping of optical emission for laser system
02/18/1998EP0824281A1 Peltier cooler and semiconductor laser module using peltier cooler
02/18/1998EP0823982A1 Semiconductor optical amplifier
02/18/1998CN1173704A Automatic laser power control circuit