Patents
Patents for H01S 5 - Semiconductor lasers (52,420)
05/1998
05/26/1998US5757837 Intracavity quantum well photodetector integrated within a vertical-cavity surface-emitting laser and method of operating same
05/26/1998US5757836 Vertical cavity surface emitting laser with laterally integrated photodetector
05/26/1998US5757835 Gallium arsenide; etch stopping effect
05/26/1998US5757833 Semiconductor laser having a transparent light emitting section, and a process of producing the same
05/26/1998US5757832 Optical semiconductor device, driving method therefor and light source and opitcal communication system using the same
05/26/1998US5757831 Electronic suppression of optical feedback instabilities in a solid-state laser
05/26/1998US5757830 Compact micro-optical edge-emitting semiconductor laser assembly
05/26/1998US5757829 Flip chip power monitoring system for vertical cavity surface emitting lasers
05/26/1998US5757828 Semiconductor laser device, method for driving the same, and optical communication system using the same
05/26/1998US5757741 CD ROM head with VCSEL or VCSEL array
05/26/1998US5757445 Single crystal silicon tiles for display panels
05/26/1998US5757027 Semiconductor wafer testing method and apparatus
05/26/1998US5757023 Fabrication of quantum well polarization independent active devices
05/26/1998US5756373 Integrating semiconductor laser and optical waveguide with reducing propagation loss of waveguide and coupling efficiency
05/22/1998WO1998020936A1 Photoemitting catheters and other structures suitable for use in photo-dynamic therapy and other applications
05/20/1998EP0843393A2 Semiconductor laser diode
05/20/1998EP0843391A1 Laser systems
05/20/1998DE19647878A1 Laser- und Verstärkersystem zur Erzeugung von Laserstrahlung im sichtbaren Wellenlängenbereich Laser and amplifier system for generating laser radiation in the visible wavelength range
05/20/1998DE19647677A1 Laser- und Verstärkersystem zur Erzeugung einfrequenter Laserstrahlung Laser and amplifier system for generating einfrequenter laser radiation
05/20/1998CN1182264A Optical pickup device compatible for multiple disk formats
05/20/1998CN1182263A Compatible optical pickup capable of scanning multiple tracks
05/19/1998US5754726 Optical device assembly used for fastening to pc boards
05/19/1998US5754714 Semiconductor optical waveguide device, optical control type optical switch, and wavelength conversion device
05/19/1998US5754582 Laser level
05/19/1998US5754578 1250-1650 nm vertical cavity surface emitting laser pumped by a 700-1050 nm vertical cavity surface emitting laser
05/19/1998US5754577 Compensation for variations in temperature and aging of laser diode by use of small signal, square-law portion of transfer function of diode detection circuit
05/19/1998US5754576 Semiconductor laser control apparatus and image forming apparatus using the same
05/19/1998US5754574 Temperature correction circuit for wavelength stabilization in a laser diode
05/19/1998US5754571 Tunable wavelength light source apparatus for stabilizing power intensity by using external auto-power control
05/19/1998US5753966 Comprising a nitride of at least one element selected from gallium, aluminum, indium; light emitter, laser
05/19/1998US5753941 Vertical cavity surface emitting laser
05/19/1998US5753933 Optical semiconductor device
05/19/1998US5753524 Method of forming a plateau and a cover on the plateau in particular on a semiconductor substrate
05/19/1998CA2007383C Semiconductor optical device
05/14/1998WO1998020586A1 Laser device
05/14/1998DE19646476A1 Structure forming thermal connection for several components
05/14/1998DE19645150A1 Optische Anordnung zur Symmetrierung der Strahlung von Laserdioden Optical arrangement for balancing the beam of laser diodes
05/13/1998EP0841733A1 Semiconductor optical functional device and method of driving the same
05/13/1998EP0841732A1 Device for optical phase modulation using a semiconductor optical amplifier and method therefor
05/13/1998EP0841731A1 Quantum cascade laser
05/13/1998EP0841707A2 Semiconductor light emitting device, its manufacturing method and optical recording and/or reproducing apparatus
05/13/1998EP0840900A1 Optical structure and method for its production
05/13/1998EP0783781A4 Laser with electrically-controlled grating reflector
05/13/1998EP0783719A4 Method for manipulating optical energy using poled structure
05/13/1998EP0719468B1 Optical amplifying device
05/13/1998CN1181648A Light emitting apparatus
05/13/1998CN1181636A Gan Compound semiconductor element and manufacturing method therefor
05/12/1998US5752100 Driver circuit for a camera autofocus laser diode with provision for fault protection
05/12/1998US5751758 Phase conjugate wave generating device, wavelength converting method, optical dispersion compensating method and multi-wavelength light generating device
05/12/1998US5751757 VCSEL with integrated MSM photodetector
05/12/1998US5751756 Semiconductor laser device for use as a light source of an optical disk or the like
05/12/1998US5751754 Semiconductor laser including tunnel diode for reducing contact resistance
05/12/1998US5751753 Semiconductor laser with lattice mismatch
05/12/1998US5751752 Nitrides
05/12/1998US5751748 System for monitoring amount of light emitted from surface emitting laser
05/12/1998US5751413 Beat frequency stabilizing apparatus of pulse light and probe light for measuring strain distribution of optical fiber
05/12/1998US5751261 Control system for display panels
05/12/1998US5751193 Rubidium atomic oscillator with laser diode wavelength adjustment
05/12/1998US5751021 Semiconductor light-emitting device
05/12/1998US5751014 Semiconductor light emitting device
05/12/1998US5751013 Blue light emitting diodes and lasers
05/12/1998US5749638 Rapidly scanning cathode-ray tube laser
05/11/1998CA2214544A1 Method and device for optical phase modulation by means of semiconductor amplifiers
05/07/1998WO1998019416A1 Transient suppression in optical wavelength division multiplex network
05/07/1998WO1998019375A1 Optical information processor and semiconductor light emitting device suitable for the same
05/07/1998WO1998019202A1 Optical array for symmetrization of laser diode beams
05/07/1998WO1998019173A1 Device noise measurement system
05/07/1998DE19645029A1 Laser light source operating method
05/07/1998CA2269777A1 Device noise measurement system
05/06/1998EP0840468A2 Optical frequency control system
05/06/1998EP0840380A2 Light emitting apparatus
05/06/1998EP0840306A2 Compatible optical pickup capable of scanning multiple tracks
05/06/1998EP0840154A1 Structure for mounting an optical device
05/06/1998EP0839400A1 Semiconductor laser chip and infrared emitter component
05/06/1998EP0808521A4 Laser package with reversed laser diode
05/05/1998US5748665 Visible VCSEL with hybrid mirrors
05/05/1998US5748661 Integrated lateral detector and laser device and method of fabrication
05/05/1998US5748660 Sample grating distributed bragg reflector laser, very widely matchable by phase variation and process for using this laser
05/05/1998US5748659 Semiconductor laser device
05/05/1998US5748658 Semiconductor laser device and optical pickup head
05/05/1998US5748657 High efficiency constant current laser driver
05/05/1998US5748654 Diode array providing either a pulsed or a CW mode of operation of a diode pumped solid state laser
05/05/1998US5748653 Vertical cavity surface emitting lasers with optical gain control (V-logic)
05/05/1998US5748598 Apparatus and methods for reading multilayer storage media using short coherence length sources
05/05/1998US5747832 Light-emitting gallium nitride-based compound semiconductor device
05/05/1998US5747827 Optoelectronic semiconductor device having a miniband
05/05/1998US5747807 Diode laser-pumped laser system for ultra-sensitive gas detection via intracavity laser spectroscopy (ILS)
05/05/1998US5747366 Electrical confinement layer is made by growing localized aluminum alloy layer on the active layer, except for an opening area on top of which mirror is to be formed, later alloy layer is oxidized
05/05/1998US5746991 Doped with rare earth
04/1998
04/30/1998WO1998018184A1 Laser diode having smooth enable apc circuit
04/30/1998WO1998018034A1 Optoelectronic device, holder suitable for use in such a device and method of manufacturing such a device
04/30/1998DE19652533C1 Opto-electronic module with integrated passive waveguide
04/29/1998EP0838813A2 Optical pickup device compatible for multiple disk formats
04/29/1998EP0838093A2 Phonon resonator and method for its production
04/29/1998CN1180454A Laser and method of controlling laser
04/29/1998CN1180257A 半导体激光器 Semiconductor lasers
04/29/1998CA2216487A1 High-power diode laser and method for mounting the same
04/28/1998US5745519 Laser diode system
04/28/1998US5745517 Alternative doping for AlGaInP laser diodes fabricated by impurity-induced layer disordering (IILD)
04/28/1998US5745516 Article comprising a unipolar superlattice laser