Patents
Patents for H01S 5 - Semiconductor lasers (52,420)
04/2004
04/13/2004US6719884 Tuning a band-gap by intermixing an impurity with one quantum well in the at least two areas to different values; copper or a copper alloy impurity; high-speed diffusion; dopes
04/13/2004US6719446 Semiconductor light source for providing visible light to illuminate a physical space
04/11/2004CA2442158A1 Broadband tunable optical amplifier
04/08/2004WO2004030169A1 Spectroscopic catheter system with widely tunable source and method of operation
04/08/2004WO2004030168A1 Temperature control for semiconductor lasers
04/08/2004WO2004030167A2 Method and device for generating an optical laser pulse
04/08/2004WO2004030166A1 Wavelength tunable cavity with rotational movement
04/08/2004WO2004030161A2 Single mode grating-outcoupled surface emitting laser with broadband and narrow-band dbr reflectors
04/08/2004WO2004030032A2 Type ii quantum well optoelectronic devices
04/08/2004WO2004029680A2 Electrooptic assembly
04/08/2004WO2003100839A3 Method for epitaxial growth of a gallium nitride film separated from its substrate
04/08/2004WO2003069439A3 Control circuit for optoelectronic module with integrated temperature control
04/08/2004WO2002082557B1 Thin film infrared transparent conductor
04/08/2004US20040068511 Software enabled control for systems with luminent devices
04/08/2004US20040067648 Crystal film, crystal substrate, and semiconductor device
04/08/2004US20040067025 Optical device
04/08/2004US20040067006 Transmitter photonic integrated circuit ( TxPIC) chips
04/08/2004US20040066826 Micro-cavity light emitting device and method for making same
04/08/2004US20040066824 Lighting devices using feedback enhanced light emitting diode
04/08/2004US20040066823 Nonlinear semiconductor light sources
04/08/2004US20040066822 Semiconductor laser device and manufacturing method therefor
04/08/2004US20040066821 Vertical cavity surface emitting laser that uses intracavity degenerate four-wave mixing to produce phase-conjugated and distortion free collimated laser light
04/08/2004US20040066820 Versatile method and system for single mode VCSELs
04/08/2004US20040066819 Vertical cavity surface emission laser; multilayer; electrical contactors; mirror; quantum wells
04/08/2004US20040066818 Semiconductor laser device and optical disk unit using the same
04/08/2004US20040066817 High performance vertically emitting lasers
04/08/2004US20040066816 Light emitting devices including tunnel junctions
04/08/2004US20040066815 Light emitting device
04/08/2004US20040066814 Semiconductor laser module and optical Transmitter
04/08/2004US20040066813 Semiconductor laser device and optical pickup using the same
04/08/2004US20040066812 Method for stabilizing optical output of semiconductor laser
04/08/2004US20040066810 Laser wavelength locker
04/08/2004US20040066809 Optical resonator and wavenlength control module using the resonator
04/08/2004US20040066808 Integrated arrays of modulators and lasers on electronics
04/08/2004US20040066807 Light source apparatus and its control method
04/08/2004US20040066806 Thermally wavelength tunable lasers
04/08/2004US20040065893 Semiconductor light-emitting device, method for fabricating the same, and method for driving the same
04/08/2004US20040065889 Semiconductor wafer, semiconductor device, and methods for fabricating the same
04/08/2004US20040065888 Vertical-cavity, surface-emission type laser diode and fabrication process thereof
04/08/2004US20040065887 Light emitting devices with layered III -V semiconductor structures, and modules and systems for computer, network and optical communication, using such devices
04/08/2004US20040065820 Laser optical apparatus
04/08/2004US20040065736 Planar laser illumination and imaging (PLIIM) systems employing laser-diode based planar laser illumination arrays and linear electronic image detection arrays
04/08/2004DE19615179B4 Verfahren zur Herstellung lichtemittierender Halbleiterbauelemente mit verbesserter Stabilität A method for manufacturing light emitting semiconductor devices with improved stability
04/08/2004DE10340190A1 Halbleiterlaser Semiconductor laser
04/08/2004DE10244986A1 Radiation-emitting semiconductor component used in the production of a luminescent diode chip comprises a semiconductor body, a structured contact layer, and intermediate chambers provided over the contact layer to form free surfaces
04/07/2004EP1406360A1 Semiconductor laser element
04/07/2004EP1406359A1 Controling process of a laser emitter and corresponding optical equipment
04/07/2004EP1405381A2 External cavity laser with continuous tuning of grid generator
04/07/2004EP1405380A2 Hermetically sealed external cavity laser system and method
04/07/2004EP1405379A1 Semiconductor zigzag laser and optical amplifier
04/07/2004EP1405378A1 Evaluation and adjustment of laser losses according to voltage across gain medium
04/07/2004EP0847117B1 Semiconductor laser
04/07/2004CN2610497Y Photoelectronic device packaged by plastic
04/07/2004CN1488183A Improvements in or relating to semiconductor lasers
04/07/2004CN1488182A Mounting of optical device on heat sink.
04/07/2004CN1488163A Method for manufacturing optical devices and related improvements
04/07/2004CN1488068A Arrangement for measuring physical parameters with an optical sensor
04/07/2004CN1487637A Semiconductor laser and producing method thereof
04/07/2004CN1487636A Nd2 YVO4 light waveguide film device on Sio2 Substrate and its prepn
04/07/2004CN1487635A Extinction ratio compensation laser driving electrical equipment
04/07/2004CN1487604A GaN-base multiple quantum well structure and LED of the structure
04/07/2004CN1487603A Multiple quantum well structure and LED of the structure
04/07/2004CN1487334A Optical apparatus with carrier depletion layer
04/07/2004CN1487329A Adiabatically following stark chirp light beam shaper
04/07/2004CN1145247C 1.3 micrometer InGaAs/GaAs self-organized quantum point laser material and method for growing the same material
04/07/2004CN1145246C Semiconductor laser capable of quickly coupling with optical fibre
04/07/2004CN1145224C Method for making compound semiconductor layer activate to be p-type compound semiconductor layer
04/06/2004US6718094 Large surface amplifier with multimode interferometer
04/06/2004US6718088 Multiplex laser light source and exposure apparatus
04/06/2004US6717974 Apparatus and method for improving electrical conduction structure of a vertical cavity surface emitting laser
04/06/2004US6717972 VCSEL with monolithically integrated photodetector
04/06/2004US6717971 Semiconductor lasers
04/06/2004US6717970 Lasers
04/06/2004US6717969 Semiconductor laser device which includes current confinement structure and trenches formed through current stopping layer down to active layer
04/06/2004US6717968 Laser drive device
04/06/2004US6717967 Absolutely calibrated periodic filters and sources
04/06/2004US6717965 Graded thin film wedge interference filter and method of use for laser tuning
04/06/2004US6717964 Method and apparatus for wavelength tuning of optically pumped vertical cavity surface emitting lasers
04/06/2004US6717733 Collimator array
04/06/2004US6717256 Mounting structure for semiconductor device having entirely flat leads
04/06/2004US6717187 Semiconductor optical device and the fabrication method
04/06/2004US6717186 Semiconductor laser device
04/06/2004US6717185 Light emitting devices with Group III nitride contact layer and superlattice
04/06/2004US6717175 Semiconductor laser device and method for manufacturing the same
04/06/2004US6717106 Laser sintering apparatus
04/06/2004US6716659 Method and apparatus for shaping semiconductor surfaces
04/06/2004US6715937 Optical module
04/06/2004US6715934 Receptacle type optical module and production method therefor
04/01/2004WO2004028047A1 Apparatuses and methods for automatic wavelength-locking of an optical transmitter to the wavelength of an injected incoherent light signal
04/01/2004WO2004027951A1 High power semiconductor laser diode and method for making such a diode
04/01/2004WO2004027950A1 Semiconductor laser
04/01/2004WO2004027949A1 Semiconductor device
04/01/2004WO2004027940A2 Wavelength agile laser
04/01/2004WO2003081292A3 Multiple-axis control system for an optical switch
04/01/2004WO2002061836A9 High voltage semiconductor device
04/01/2004US20040064022 Spectroscopic catheter system with widely tunable source and method of operation
04/01/2004US20040063236 GaN based group III-V nitride semiconductor light-emitting diode and method for fabricating the same
04/01/2004US20040063233 Method for fabricating semiconductor device
04/01/2004US20040062557 Optical receiver
04/01/2004US20040062507 Semiconductor optical device