H01S 5 - Semiconductor lasers

Patents for H01S 5 - Semiconductor lasers (52,420)
11/2002
11/07/2002	DE10118958A1 3R Regenerator mit Wellenlängenumsetzung 3R regenerator with wavelength conversion
11/07/2002	CA2441090A1 Apparatus and method providing a balancing load to a laser differential drive circuit
11/06/2002	EP1255336A2 Semiconductor laser device having a diffraction grating on a light emission side
11/06/2002	EP1255335A2 Semiconductor laser device having a diffraction grating on a light reflection side
11/06/2002	EP1255334A1 Fault tolerant electrical circuit and method
11/06/2002	EP1255333A1 Current generator circuit and method of providing drive current to a laser diode driver
11/06/2002	EP1255332A2 Semiconductor laser device and drive control method for a semiconductor laser device
11/06/2002	EP1255331A1 CW far-UV laser system with two active resonators
11/06/2002	EP1255280A2 Apparatus and method for dicing semiconductor wafers
11/06/2002	EP1255157A1 Intensity modulation of optical signals
11/06/2002	EP1255097A1 A device for monitoring the emission wavelength of a laser
11/06/2002	EP1254385A1 Improved integrated optical device
11/06/2002	EP1053574A4 Microelectromechanically tunable, confocal, vertical cavity surface emitting laser and fabry-perot filter
11/06/2002	CN1378702A Single step pendeo-and Lateral overgrowth of group III-nitride layers
11/06/2002	CN1378238A Method for growing GaN crystal chip and GaN crystal chip
11/06/2002	CN1378207A Light source device of optical head
11/06/2002	CN1378095A Light adjustable oscillator
11/06/2002	CN1093988C Compound semiconductor light emitting device
11/05/2002	US6477311 Method and device for selecting light source for optical communication
11/05/2002	US6477302 Microbench and producing method therefor, and optical semiconductor module using same
11/05/2002	US6477286 Integrated optoelectronic device, and integrated circuit device
11/05/2002	US6477285 Integrated circuits with optical signal propagation
11/05/2002	US6477194 Low temperature distributed feedback laser with loss grating and method
11/05/2002	US6477191 Semiconductor laser device, semiconductor laser module, rare-earth-element-doped optical fiber amplifier and fiber laser
11/05/2002	US6477190 Optical module
11/05/2002	US6477189 Laser oscillation frequency stabilizer
11/05/2002	US6476916 Active optical detector
11/05/2002	US6476412 Light emitting semiconductor device with partial reflection quantum-wave interference layers
11/05/2002	US6476411 Intersubband light emitting element
11/05/2002	US6475923 Group III nitride compound semiconductor thin film and deposition method thereof, and semiconductor device and manufacturing method thereof
11/05/2002	US6475882 Method for producing GaN-based compound semiconductor and GaN-based compound semiconductor device
11/05/2002	US6475825 Process for preparing zinc oxide films containing p-type dopant
11/05/2002	US6475820 Method for growing semiconductor layer and method for fabricating semiconductor light emitting elements
11/05/2002	US6474531 Semiconductor light-emitting device and method of manufacturing the same and mounting plate
11/01/2002	CA2374602A1 Semiconductor laser device having a diffraction grating on a light emission side
10/2002
10/31/2002	WO2002087033A1 Frequency modulated laser apparatus and method
10/31/2002	WO2002087032A1 Modulatable multi-wavelength fiber laser source
10/31/2002	WO2002087031A2 Multi-level closed loop resonators and method for fabricating same
10/31/2002	WO2002086616A1 Optical function element and optical function device
10/31/2002	WO2002021644A3 Method and device for producing stabilised ultrashort laser light pulses
10/31/2002	US20020160544 Light emitting device and process for producing the same
10/31/2002	US20020159736 Cladding-pumped 3-level fiber laser/amplifier
10/31/2002	US20020159720 Optical module and optical module producing method
10/31/2002	US20020159719 Optical-fiber supporting member and optical transmission device using the same
10/31/2002	US20020159705 Multi-wavelength semiconductor light source and process for producing the same
10/31/2002	US20020159695 Light source-optical fiber coupler
10/31/2002	US20020159693 Lensed optical fiber
10/31/2002	US20020159691 Loss-less tunable per-channel dispersion compensator
10/31/2002	US20020159669 Integrated optics beam deflectors and systems
10/31/2002	US20020159494 Semiconductor laser device
10/31/2002	US20020159493 Semiconductor laser device and method for fabricating the same
10/31/2002	US20020159492 Semiconductor device and photonic semiconductor device applying the semiconductor device
10/31/2002	US20020159491 Surface emitting laser
10/31/2002	US20020159490 Tunable multi-frequency vertical cavity surface emitting laser
10/31/2002	US20020159489 Laser pump module with reduced tracking error
10/31/2002	US20020159488 Tracking error suppression and method of reducing tracking error
10/31/2002	US20020159487 Chirp-free directly modulated light source with integrated wavelocker
10/31/2002	US20020159486 Wavelength conversion device
10/31/2002	US20020159140 Multichannel laser transmitter suitable for wavelength-division multiplexing applications
10/31/2002	US20020158818 Lighting system simulating sunrise and sunset
10/31/2002	US20020158611 Apparatus and method for stabilizing the frequency of a laser
10/31/2002	US20020158314 Buried mesa semiconductor device
10/31/2002	US20020158300 Fault tolerant electrical circuit and method
10/31/2002	US20020158266 Optoelectronic waveguiding device and optical modules
10/31/2002	US20020158265 Structure and method for fabricating high contrast reflective mirrors
10/31/2002	US20020158263 Surface light emitting devices
10/31/2002	US20020158259 Semiconductor light-emitting device and method for producing same
10/31/2002	US20020158257 Light-emitting semiconductor device and surface-emitting device
10/31/2002	US20020158249 Light emitting nitride semiconductor device, and light emitting apparatus and pickup device using the same
10/31/2002	US20020158131 DOE-based systems and devices for producing laser beams having modified beam characteristics
10/31/2002	DE10214571A1 Lichtquelleneinheit variabler Wellenlänge Variable-wavelength light source unit
10/30/2002	EP1253687A1 Self-adjustable tunable filter
10/30/2002	EP1253686A2 Wavelength conversion device
10/30/2002	EP1253685A1 Cooler, semiconductor laser light source, semiconductor laser light source unit, method for producing semiconductor laser light source unit, and solid laser
10/30/2002	EP1253456A1 System and method for adjusting the angular orientation of an optical filter and optical module including this system
10/30/2002	EP1252692A1 Diode-laser line-illuminating system
10/30/2002	CN1377107A Surface emitting laser photodiode, manufacturing mehtod thereof and photoelectric mixed carrier circuit
10/30/2002	CN1376554A Dielectric base plate for laser process and process method thereof, semiconductor components and manufacturing method thereof
10/29/2002	US6473225 Light amplifier device
10/29/2002	US6473212 Lightwave communication systems using semiconductor optical amplifiers
10/29/2002	US6472833 Laser cathode ray tube
10/29/2002	US6472718 Semiconductor device
10/29/2002	US6472695 Increased lateral oxidation rate of aluminum indium arsenide
10/29/2002	US6472691 Distributed feedback semiconductor laser device
10/29/2002	US6472683 Semiconductor quantum oscillation device
10/29/2002	US6472682 Optical modulator, semiconductor laser device equipped with an optical modulator, and optical communication system
10/29/2002	US6472680 Semiconductor structures using a group III-nitride quaternary material system with reduced phase separation
10/29/2002	US6472679 Semiconductor structures using a group III-nitride quaternary material system with reduced phase separation and method of fabrication
10/29/2002	US6472298 Layered group III-V compound semiconductor, method of manufacturing the same and light emitting element
10/29/2002	US6472276 Using silicate layers for composite semiconductor
10/29/2002	US6472241 Radical cell device and method for manufacturing groups II-VI compound semiconductor device
10/29/2002	US6471770 Method of manufacturing semiconductor substrate
10/29/2002	US6471769 Using a group iii element and ammonia for nitriding in presence of hydrogen as carrier gas, improved crystallinity by controlling a flow rate ratio between starting material gas and carrier gas
10/25/2002	CA2382860A1 Semiconductor laser device having a high characteristic temperature
10/24/2002	WO2002084901A2 Method for controlling a laser-based 3r regenerator
10/24/2002	WO2002084900A2 3r regenerator with wavelength conversion
10/24/2002	WO2002084831A1 Gallium nitride compound semiconductor element
10/24/2002	WO2002084830A2 Optical resonators with mirror structure suppressing higher order transverse spatial modes
10/24/2002	WO2002084829A1 Long wavelength vertical cavity surface emitting laser
10/24/2002	WO2002084828A2 Method and device for regulating the average wavelength of a laser, especially a semiconductor laser

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