Patents
Patents for H01S 5 - Semiconductor lasers (52,420)
02/2002
02/21/2002US20020021732 Ring laser and method for driving a ring laser
02/21/2002US20020021727 Passivation layer for semiconductor laser and semiconductor laser and laser module using the same
02/21/2002US20020021726 Vertical resonator laser diode with a small aperture opening
02/21/2002US20020021725 Laser diode, semiconductor light-emitting device, and method of production thereof
02/21/2002US20020021723 Method and apparatus for laser processing
02/21/2002US20020021462 Hybrid WDM-TDM optical communication and data link
02/21/2002US20020021447 Ring laser gyro
02/21/2002US20020021436 Coating process and apparatus
02/21/2002US20020020847 Compound semiconductor light emitting device and method of fabricating the same
02/21/2002US20020020843 Light-emitting apparatus
02/21/2002DE10038235A1 Oberflächenemittierender Laser mit seitlicher Strominjektion Surface-emitting laser with lateral current injection
02/20/2002EP1180801A2 Optical semiconductor module
02/20/2002CN1336705A Optical component
02/20/2002CN1079586C High-efficiency intensified step-by-step high-lightness luminous diode and design method therefor
02/19/2002US6349159 Lenses that launch high bandwidth modes into a fiber optic cable while eliminating feedback to a laser
02/19/2002US6349106 Method for converting an optical wavelength using a monolithic wavelength converter assembly
02/19/2002US6349105 Small format optical subassembly
02/19/2002US6349104 Stripe-geometry heterojunction laser diode device
02/19/2002US6349103 Cold-start wavelength-division-multiplexed optical transmission system
02/19/2002US6348698 A iii-v semiconductor alloy layered structure as an active layer including n and at least one other group-v element, and at least one group-iii element; used for red wavelength laser diodes having excellent temperature characteristics
02/19/2002US6348360 Method for producing semiconductor laser module
02/19/2002US6348358 Emitter array with individually addressable laser diodes
02/19/2002US6348096 Method for manufacturing group III-V compound semiconductors
02/19/2002CA2186575C High output semiconductor laser element having robust electrode structure
02/14/2002WO2002013344A1 Optical wavelength shifting
02/14/2002WO2002013343A2 Tunable distributed feedback laser
02/14/2002WO2002013342A2 Silicon wafer with embedded optoelectronic material for monolithic oeic
02/14/2002WO2002013341A2 Characterization of multiple section semiconductor lasers
02/14/2002WO2002013340A2 Method and device for determining the output power of a semiconductor laser diode
02/14/2002WO2002013337A1 Optical sensing based on whispering-gallery-mode microcavity
02/14/2002WO2002013335A2 Edge-emitting semiconductor tunable laser
02/14/2002WO2002013334A2 Surface-emitting laser having lateral current injection
02/14/2002WO2002013243A2 Devices with optical gain in silicon
02/14/2002WO2000069039A9 Broadening the linewidth of a semiconductor laser
02/14/2002WO1997004509A3 Semiconductor laser chip and infrared emitter component
02/14/2002US20020018632 Lighting apparatus having quantum dot layer
02/14/2002US20020018627 Light emitting module
02/14/2002US20020018617 Coupling system to a microsphere cavity
02/14/2002US20020018611 Non-spherical whispering-gallery-mode microcavity
02/14/2002US20020018507 Channel-switched tunable laser for dwdm communications
02/14/2002US20020018503 Semiconductor device and manufacturing method thereof
02/14/2002US20020018502 Semiconductor lasers with varied quantum well thickness
02/14/2002US20020018501 Semiconductor laser device
02/14/2002US20020018500 Semiconductor laser unit and semiconductor laser module
02/14/2002US20020018499 Semiconductor laser element and semiconductor laser
02/14/2002US20020018496 Tunable diode laser system, apparatus and method
02/14/2002US20020018494 Multiple laser source, and systems for use thereof
02/14/2002US20020018280 Optical modulator
02/14/2002DE10136334A1 Vertical resonator surface emission laser used in optical data communications systems comprises mirror structures, a light producing region, a semiconductor section
02/14/2002DE10048196A1 Production of a III-V compound semiconductor based on gallium nitride comprises forming the semiconductor stacked structure on a substrate, etching, forming a first electrode, tempering, and forming a second electrode
02/13/2002EP1179859A2 Method of heat-treating nitride compound semiconductor layer and method of producing semiconductor device
02/13/2002EP0985254B1 Laser diode module with integral cooling
02/13/2002CN1336027A Laser diode device and method for producing the same
02/13/2002CN1335658A Multi-wavelength surface launching laser device and its producing method
02/13/2002CN1335117A Laser therapeutic machine
02/12/2002US6347108 Method and apparatus for modulated integrated optically pumped vertical cavity surface emitting lasers
02/12/2002US6347107 System and method of improving intensity control of laser diodes using back facet photodiode
02/12/2002US6347106 Thermally robust semiconductor optical amplifiers and laser diodes
02/12/2002US6347105 Laser control apparatus with a current detecting and interrupting system
02/12/2002US6347104 Optical signal power monitor and regulator
02/12/2002US6347103 Light source module with two wavelength
02/12/2002US6347007 Semiconductor laser high power amplifier system
02/12/2002US6346720 Layered group III-V compound semiconductor, method of manufacturing the same, and light emitting element
02/12/2002US6346436 Quantum thin line producing method and semiconductor device
02/07/2002WO2002011257A1 Improved semiconductor laser
02/07/2002WO2002011254A2 Widely tunable laser structure
02/07/2002WO2002011251A2 Wave beam converter and method for making same
02/07/2002WO2002010826A1 Bulk internal bragg gratings and optical devices
02/07/2002WO2002010685A1 System and method for laser cavity length control
02/07/2002WO2002009904A1 Laser beam machining method
02/07/2002WO2001081966A3 Laser system
02/07/2002WO2001080285A3 Top illuminated opto-electronic devices integrated with micro-optics and electronic integrated circuits
02/07/2002WO2001063708A3 Vertical cavity apparatus with tunnel junction
02/07/2002WO2001055814A3 Channelizer switch
02/07/2002US20020016620 Flourescent-light image display apparatus
02/07/2002US20020016014 Semiconductor laser producing method
02/07/2002US20020015573 Photon operating device and photon operating method
02/07/2002US20020015560 Coupling system between an optical fibre and an optical device
02/07/2002US20020015469 Apparatus for optically transmitting data between rotor and stator and x-ray CT apparatus having the apparatus incorporated therein
02/07/2002US20020015433 Tunable frequency stabilized fiber grating laser
02/07/2002US20020015429 Semiconductor laser device
02/07/2002US20020015428 High-power semiconductor laser device in which near-edge portions of active layer are removed
02/07/2002US20020015427 Wavelength agile external cavity diode laser
02/07/2002US20020015302 Optical element, light source apparatus, optical head apparatus, and optical information processing apparatus
02/07/2002US20020015274 Protection circuit for semiconductor laser device
02/07/2002US20020015216 Method and apparatus for device linearization
02/07/2002US20020014849 Control circuit of light emitting element
02/07/2002US20020014681 Nitride semiconductor structure, method for producing a nitride semiconductor structure, and light emitting device
02/07/2002US20020014674 Light emitting device and light emitting device module
02/07/2002US20020014632 Group III nitride compound semiconductor light-emitting device
02/07/2002US20020014631 Semiconductor light emitting device
02/07/2002US20020014622 Semiconductor device and method for manufacturing the same
02/07/2002DE10128813A1 Image forming device e.g. for printer, generates laser radiation having ultra short pulses with duration less than one nanosecond
02/07/2002DE10036283A1 Laser diodes arrangement esp. for optical communication pump module, has laser diodes connected in series
02/07/2002CA2417437A1 System and method for laser cavity length control
02/06/2002EP1178580A1 Optical transmitter and optical transmission system comprising the same
02/06/2002EP1178543A1 Semiconductor light emitting device
02/06/2002EP1178523A1 METHOD FOR GROWING GaN COMPOUND SEMICONDUCTOR CRYSTAL AND SEMICONDUCTOR SUBSTRATE
02/06/2002EP1177605A2 Laser diode device and method for producing the same
02/06/2002EP1177585A1 Nitride semiconductor device