Patents
Patents for H01S 5 - Semiconductor lasers (52,420)
08/1998
08/25/1998US5798858 Method and apparatus for reducing adverse effects of optical beat interference in optical communication systems
08/25/1998US5798856 Optical pulse generator
08/25/1998US5798835 System for determining a characteristic of a target
08/25/1998US5798537 Carbon, silicon, germenium, tin or lead doped conductive sapphire substrate and multilayers
08/20/1998WO1998036478A1 Composite module for optical fiber amplifier
08/20/1998WO1998036460A1 II-VI SEMICONDUCTOR DEVICE WITH BeTe BUFFER LAYER
08/20/1998WO1998036459A1 Reduction of threshold current density using strain in ii/vi based quantum well lasers
08/20/1998DE19706279A1 Laservorrichtung Laser device
08/20/1998DE19706276A1 Semiconductor device esp. for high power laser diode
08/19/1998EP0859254A2 Optical module
08/19/1998EP0858573A1 Vertical cavity surface emitting laser arrays for illumination
08/19/1998EP0770226B1 Optical system for improving the symmetry of the beam emitted from a broad area laser diode
08/19/1998CN1191044A Process for producing a DFB laser diode with coupled waveguide and DFB laser film structure
08/19/1998CN1190810A Photoelectric element module with Peltier device
08/19/1998CN1190809A Semiconductor laser device
08/19/1998CN1190743A Photoelectric module for bidirection optical data transmission
08/18/1998US5796891 Optical filter comprising multi-mode waveguides coupled in series
08/18/1998US5796883 Optical integrated circuit and method for fabricating the same
08/18/1998US5796771 Miniature self-pumped monolithically integrated solid state laser
08/18/1998US5796769 Red light vertical cavity surface emitting laser
08/18/1998US5796768 Buried structure laser device for integrated photonic circuit and method of manufacture
08/18/1998US5796767 Driver circuit of light-emitting device
08/18/1998US5796765 Optical pulse seqeunce generator
08/18/1998US5796714 Optical module having a vertical-cavity surface-emitting laser
08/18/1998US5794839 Bonding material and bonding method for electric element
08/13/1998WO1998035412A1 Intra-cavity lens structures for semiconductor lasers
08/13/1998WO1998035411A1 Laser diode integrating enclosure and detector
08/13/1998WO1998035410A1 Composite laser diode enclosure and method for making the same
08/13/1998WO1998035378A1 Manufacturing a heterobipolar transistor and a laser diode on the same substrate
08/13/1998WO1998035253A1 Device for re-directing light from optical waveguide
08/13/1998WO1998035252A1 Laser module with coupling optics and method for fine-adjustment of said optics
08/13/1998WO1998035203A2 Method and apparatus for performing optical measurements using a rapidly frequency-tuned laser
08/13/1998CA2280024A1 Manufacturing a heterobipolar transistor and a laser diode on the same substrate
08/13/1998CA2279910A1 Device for re-directing light from optical waveguide
08/12/1998EP0858138A2 Wavelength stabilization in tunable semiconductor lasers
08/12/1998EP0858137A2 Surface emitting laser devices and method of manufacture
08/12/1998EP0858106A1 Optoelectronic element module with peltier device
08/12/1998EP0857996A1 Crosstalk-reduced integrated digital optical switch
08/12/1998EP0857990A2 Rotating laser beam irradiating apparatus
08/12/1998CN1190272A Method of manufacturing semiconductor device
08/12/1998CN1190237A Optical pickup and optical disk apparatus using the same
08/11/1998US5793915 Thermal stress reduction in a laser module
08/11/1998US5793913 Method for the hybrid integration of discrete elements on a semiconductor substrate
08/11/1998US5793792 Laser assembly with integral beam-shaping lens
08/11/1998US5793790 Optical device
08/11/1998US5793789 Detector for photonic integrated transceivers
08/11/1998US5793788 Semiconductor light emitting element with p-type non-alloy electrode including a platinum layer and method for fabricating the same
08/11/1998US5793787 Type II quantum well laser with enhanced optical matrix
08/11/1998US5793786 Laser diode driving circuit
08/11/1998US5793785 Semiconductor laser device
08/11/1998US5793784 Apparatus and method for spectral narrowing of high power diode laser arrays
08/11/1998US5793783 Method for producing a highpower beam from a diode laser source having one array or plural subarrays
08/11/1998US5793732 Optical apparatus having reflecting porton split by an edge
08/11/1998US5793521 Differentially patterned pumped optical semiconductor gain media
08/11/1998US5793489 System for determining a characteristic of a target
08/11/1998US5793060 SOI Optical semiconductor device
08/11/1998US5793054 Gallium nitride type compound semiconductor light emitting element
08/11/1998US5792674 Doping, diffusing zinc onto indium phosphide substrate
08/11/1998CA2091525C Semiconductor optical device having device regions and diffraction gratings
08/06/1998WO1998034307A1 Semi-conductor laser component
08/06/1998WO1998034304A1 Semiconductor laser device
08/06/1998WO1998034284A1 Optoelectronic semiconductor component
08/06/1998WO1998034271A1 Laser diode array packaging
08/06/1998WO1998013825A3 Integrated optical head apparatus and associated methods
08/06/1998DE19703615A1 Optoelektronisches Halbleiterbauelement Optoelectronic semiconductor component
08/06/1998DE19703612A1 Halbleiterlaser-Bauelement A semiconductor laser device
08/05/1998EP0856923A2 Method of manufacturing semiconductor device
08/05/1998EP0856894A1 Coating deposition on a semiconductor optical device
08/05/1998EP0856880A2 A method for the heat treatment of group II-VI semiconductors
08/05/1998EP0856600A1 LiGa02 single crystal, single-crystal substrate, and method of manufacturing the same
08/05/1998CN1189669A Optical system for shaping beam and optical pickup employing the same
08/04/1998US5790737 Optical semiconductor device
08/04/1998US5790583 Photonic-well Microcavity light emitting devices
08/04/1998US5790581 Oscillation polarization mode selective semiconductor laser, light transmitter and optical communication system using the laser
08/04/1998US5790580 Semiconductor optical integrated device
08/04/1998US5790579 Semiconductor laser device for pulse laser oscillation
08/04/1998US5790578 Laser diode with an improved multiple quantum well structure adopted for reduction in wavelength chirping
08/04/1998US5790577 Chromium, titanium, gold, platinum, and nickel
08/04/1998US5790576 High brightness laser diode source
08/04/1998US5790302 Semiconductor diode laser amplifier having antireflection layers and method of manufacturing
08/04/1998US5789852 Electron-optical device
08/04/1998US5789773 Aluminum, gallium, indium phosphide
08/04/1998US5789772 Semi-insulating surface light emitting devices
08/04/1998US5789275 Method for fabricating a laser diode
08/04/1998US5789274 Wavelength-tunable semiconductor laser and fabrication process thereof
08/04/1998US5789273 Method for fabricating compound semiconductor laser
08/04/1998US5789265 Gallium nitride, dry etching
08/04/1998US5788856 Process for fabricating multisegment ridge waveguides
08/04/1998US5788766 High thermal conductivity diamond layer
08/04/1998CA2136581C Gallium oxide thin films
07/1998
07/30/1998WO1998033249A1 Laser device
07/30/1998DE19702573A1 Optical device with adjustable component holder
07/29/1998EP0855587A2 Wavelenght-variable light source and OTDR apparatus
07/29/1998EP0687384B1 A quantum well device
07/29/1998EP0613571B1 Integrated tunable optical filter
07/28/1998US5787107 Method and apparatus for efficient concentration of light from laser diode arrays
07/28/1998US5787106 Optical semiconductor device for changing a beam diameter
07/28/1998US5787105 Integrated semiconductor laser apparatus
07/28/1998US5787104 Active layer of hexagonal system compound; formed in c-axis direction; anisotropic strain
07/28/1998US5787103 Operating and control system for lasers useful in bar code scanners