Patents
Patents for H01S 5 - Semiconductor lasers (52,420)
04/1998
04/28/1998US5745515 Self-limiting intrinsically eye-safe laser utilizing an increasing absorption layer
04/28/1998US5745514 Laser diode structure with integrated heat sink
04/28/1998US5745512 Tunable lasers based on absorbers in standing waves
04/28/1998US5745284 Solid-state laser source of tunable narrow-bandwidth ultraviolet radiation
04/28/1998US5745153 Optical means for using diode laser arrays in laser multibeam printers and recorders
04/28/1998US5745152 Multiple beam laser scanner using lasers with different aperture sizes
04/28/1998US5743901 High fluence diode laser device and method for the fabrication and use thereof
04/28/1998CA2068060C Method for spot position control in an optical output device employing a variable wavelength light source
04/22/1998EP0807271A4 Broadband grating
04/22/1998EP0750751A4 Waveguide absorption modulator with integral optical isolator
04/22/1998EP0737376B1 Integrated laser power monitor
04/22/1998CN1179860A Semiconductor laser device and optical disk apparatus using same
04/21/1998US5742633 Asymmetric resonant optical cavity apparatus
04/21/1998US5742631 Independently-addressable monolithic laser arrays
04/21/1998US5742630 VCSEL with integrated pin diode
04/21/1998US5742629 Semiconductor laser and production method thereof
04/21/1998US5742628 Short wavelength laser emitting diode with an improved GaN system double heterostructure
04/21/1998US5742418 Optical communication system and method using two kinds of light different both in polarization direction and wavelength
04/21/1998US5742415 Optical switching device
04/21/1998US5742323 Image forming apparatus with pulse width modulated laser driver
04/21/1998US5742054 Ultra-sensitive detection of contaminants in corrosive gas via intracavity laser spectroscopy (ILS)
04/21/1998US5742045 Apparatus using diode laser logic to form a configurable optical gate system
04/21/1998US5742038 Beam shaping for optical scanners
04/16/1998WO1998015996A1 Selective etch for ii-vi semiconductors
04/16/1998WO1998015995A1 Optical semiconductor module
04/16/1998WO1998015994A1 External cavity micro laser apparatus
04/16/1998DE19744839A1 Fixed mode semiconducting laser
04/15/1998EP0836255A1 Laser diode array and fabrication method thereof
04/15/1998EP0836105A1 An optical transmission/reception module
04/15/1998EP0835542A1 Wavelength converter
04/15/1998EP0835541A2 Radiation-emitting semiconductor diode, and method of manufacturing same
04/14/1998US5740193 Containing active layer comprising groups ii to vi semiconductors and dopants
04/14/1998US5740192 Semiconductor laser
04/14/1998US5740191 Wide temperature range uncooled lightwave transmitter having a heated laser
04/14/1998US5739543 Optical semiconductive device with inplanar compressive strain
04/14/1998CA2069657C Method of operating a semiconductor laser as a mode-locked semiconductor laser and devices for implementing the method
04/14/1998CA2009594C Single mode optical fiber coupler
04/09/1998WO1998015074A1 Production of an optical frequency reference signal
04/09/1998WO1998015041A1 Device with semiconducting laser diodes and method of producing same
04/09/1998WO1998014988A1 Process for wet chemical etching or surface cleaning of mixed crystal compounds containing arsenic
04/09/1998WO1998014986A1 Method for separating two material layers and electronic components produced therewith
04/09/1998CA2267323A1 Production of an optical frequency reference signal
04/08/1998EP0834972A2 Semiconductor optical device with active layer of quantum well structure, use method thereof, light source apparatus including the same, and optical communication system using the same
04/08/1998EP0834971A1 Semiconductor laser device
04/08/1998EP0834970A2 Multi-layer mirror of compound semiconductors including nitrogen and surface light-emitting device with the same
04/08/1998EP0834969A2 Semiconductor laser and light source
04/08/1998EP0834929A2 Ohmic contact to n-GaN related compound semiconductor and its manufacturing method
04/08/1998EP0834206A1 Temperature correction circuit for wavelength stabilization in a laser diode
04/08/1998EP0834205A1 Laser drive circuit
04/08/1998EP0723676B1 Optical switching device
04/08/1998CN1178418A IrDA data link with VCSEL light source
04/07/1998USRE35766 Stabilized-feedback control device for semiconductor lasers
04/07/1998US5737474 Semiconductor optical device
04/07/1998US5737459 Loss interferometric power combiner comprising a feedback circuit
04/07/1998US5737353 Low threshold current, high slope efficiency
04/07/1998US5737352 Semiconductor diode laser, in particular a laser amplifier, and method of manufacturing this laser
04/07/1998US5737351 Semiconductor laser including ridge structure extending between window regions
04/07/1998US5737350 Semiconductor laser having multi-quantum barrier including complex barrier structure and method of making the semiconductor laser
04/07/1998US5737349 Optical isolator and alignment method
04/07/1998US5737348 Light source monitor with compensated tracking ratio
04/07/1998US5737300 Optical dish device
04/07/1998US5737118 Optical amplifying apparatus
04/07/1998US5737109 Thermal down-mixing in diode laser transmitters to suppress stimulated brillouin scattering
04/07/1998US5736881 Diode drive current source
04/07/1998US5736844 Voltage controlled laser diode drive circuit
04/02/1998WO1998013913A1 Improvements in and relating to lasers
04/02/1998WO1998013912A1 Method of manufacturing an optoelectronic semiconductor device comprising a mesa
04/02/1998WO1998013910A1 High efficiency, high power direct diode laser systems and methods therefor
04/02/1998WO1998013879A1 Extended wavelength strained layer lasers
04/02/1998WO1998013825A2 Integrated optical head apparatus and associated methods
04/02/1998DE19640594A1 Licht-induzierte Grenzflächenzersetzung zur Strukturierung und Trennung von Halbleitermaterialien Light-induced interfacial decomposition to structure and separation of semiconductor materials
04/02/1998DE19640422A1 Verfahren zur nass-chemischen Ätzung bzw. Oberflächenreinigung von arsenhaltigen Mischkristallverbindungen Method for the wet chemical etching or surface cleaning of arsenic mixed crystal compounds
04/02/1998DE19640420A1 Ridge-waveguide production in III-V semiconductor layer structure
04/02/1998DE19638667A1 Mischfarbiges Licht abstrahlendes Halbleiterbauelement mit Lumineszenzkonversionselement Mixing Colored light radiating semiconductor component having luminescence
04/02/1998CA2266714A1 Improvements in and relating to lasers
04/01/1998EP0833419A1 Laser diode assembly and method of fabrication
04/01/1998EP0833395A2 Method of fabricating a device including compound semiconductor crystal and method of fabricating a compound semiconductor layer structure
04/01/1998EP0833391A1 Semiconductor device on III-V semiconductor substrate and method for fabricating it
04/01/1998EP0833175A2 Opto-electronic module for bidirectional optical transmission
04/01/1998EP0832443A1 Optical multiplexing device and method
04/01/1998CN1177655A Method for producing gallium nitride
03/1998
03/31/1998US5734672 Smart laser diode array assembly and operating method using same
03/31/1998US5734671 Gainasp, optical fiber amplifiers
03/31/1998US5734670 Semiconductor device, semiconductor laser, and high electron mobility transistor
03/31/1998US5734668 Laser diode drive circuit
03/31/1998US5734514 Collimate lens assembly in laser scanning unit
03/31/1998US5734182 Light-emitting gallium nitride-based compound semiconducor device
03/31/1998US5734170 Driver for light emitting device
03/31/1998CA2073430C Laser control circuit
03/26/1998WO1998012779A1 METHOD OF MAKING AN InAsSb/InAsSbP DIODE LASER
03/26/1998WO1998012757A1 Sealing material with wavelength converting effect, application and production process
03/26/1998DE19638235A1 Laser radiation generation method for cinematographic projector
03/25/1998EP0831350A2 Method of producing a semiconductor laser module
03/25/1998EP0831349A2 Opto-electronic hybrid integration platform, optical sub-module,opto-electronic hybrid integration circuit, and process for fabricating platform
03/25/1998EP0830721A1 Optical amplifier
03/25/1998EP0830718A1 Multi-gigahertz frequency-modulated vertical-cavity surface emitting laser
03/25/1998EP0830717A1 Surface emitting laser diode
03/25/1998CN1177421A Laser device
03/24/1998US5732179 Birefringence-free semiconductor waveguide
03/24/1998US5732103 Vertical cavity surface emitting laser