Patents
Sitemap › H01 - Basic electric elements › H01S - Devices using stimulated emission › H01S 5 - Semiconductor lasers
Patents for H01S 5 - Semiconductor lasers (52,420)
05/2003
05/28/2003EP1019704B1 Active optical detector
05/28/2003EP0970550B1 Laser module with wavelength stabilization
05/28/2003CN1110000C 光学装置 Optical device
05/28/2003CN1109898C Automatically adapting biased photodiode detection and light monitoring circuit and method
05/27/2003US6570905 Vertical cavity surface emitting laser with reduced parasitic capacitance
05/27/2003US6570898 Structure and method for index-guided buried heterostructure AlGalnN laser diodes
05/27/2003US6570897 Wavelength conversion apparatus using semiconductor optical amplifying element for laser oscillation
05/27/2003US6570896 Laser radiation source and process for generating a coherent total laser radiation field
05/27/2003US6570893 Precisely wavelength-tunable and wavelength-switchable narrow linewidth lasers
05/27/2003US6570191 Surface-light-emitting device including AlGalnP and AlGaAs multi-film reflecting layers
05/27/2003US6570189 Semiconductor device and method of manufacturing the same
05/27/2003US6570187 Silicon light-emitting device and method for the production thereof
05/27/2003US6570179 Each of said layers formed solely of binary III-V compounds, each of said first and second waveguide layers and said active layer being a super lattice structure with at least two alternating III-V compounds.
05/27/2003US6569704 Group III-V semiconductor light emitting devices with reduced piezoelectric fields and increased efficiency
05/27/2003US6568105 External cavity laser type light source
05/22/2003WO2003043247A2 Tunable optical add/drop multiplexer with multi-function optical amplifiers
05/22/2003WO2003043151A1 Semiconductor laser device and optical disc drive
05/22/2003WO2003043150A1 Light emitting element structure using nitride bulk single crystal layer
05/22/2003WO2003043149A1 Electronically tunable laser using wavelength selective reflectors
05/22/2003WO2003043148A2 Multiple-section electro-optical monolithic component
05/22/2003WO2003043146A1 Distributed feedback laser for isolator-free operation
05/22/2003WO2003043143A2 Tunable laser device for avoiding optical mode hops
05/22/2003WO2003043097A1 Ultraviolet emitting device
05/22/2003WO2003043092A2 Ohmic contact structure and method for the production of the same
05/22/2003WO2003042734A2 Intergrated glass waveguides bonded to semiconductor optoelectro nic devices
05/22/2003WO2003042325A1 Optical functional material employing rare earth complex and light emitting device
05/22/2003WO2003023457A3 Vcsel with heat-spreading layer
05/22/2003WO2003019651A3 Through-via vertical interconnects, through-via heat sinks and associated fabrication methods
05/22/2003WO2002045216A3 Tunable semiconductor laser
05/22/2003US20030096509 Laser-induced bandgap shifting for photonic device integration
05/22/2003US20030096439 Methods for forming index guided vertical cavity surface emitting lasers
05/22/2003US20030095751 Semiconductor optical devices and methods of making them
05/22/2003US20030095737 Transmitter photonic integrated circuits (TxPIC) and optical transport networks employing TxPICs
05/22/2003US20030095736 Transmitter photonic integrated circuit (TxPIC) chip architectures and drive systems and wavelength stabilization for TxPICs
05/22/2003US20030095579 Laser drive device, optical head, and optical information processor
05/22/2003US20030095494 Optical disc apparatus
05/22/2003US20030095346 Optical module
05/22/2003US20030095326 Low-noise, high-power optical amplifier
05/22/2003US20030095323 Optical amplifier for wide band Raman amplification of wavelength division multiplexed (WDM) signal lights
05/22/2003US20030094620 Gallium nitride-based III-V group compound semiconductor
05/22/2003US20030094618 Method for manufacturing gallium nitride compound semiconductor and light emitting element
05/22/2003US20030094617 Laser diode
05/22/2003US20030094495 Nuclear resonance based scanning system having an automatic object identification and attribute information acquisition and linking mechanism integrated therein
05/21/2003EP1313187A1 Nitride semiconductor device
05/21/2003EP1313186A1 Wavelength stabilised laser source comprising fibre grating
05/21/2003EP1313185A2 Temperature dependent constant-current generating circuit
05/21/2003EP1313184A1 Semiconductor laser device
05/21/2003EP1313183A2 Output power monotoring in an optical preamplifier
05/21/2003EP1313145A1 Amplifier circuit apparatus and method of EMI suppression
05/21/2003EP1312971A2 Semiconductor optical devices and methods of making them
05/21/2003EP1312963A2 Device for maintaining alignment between a focal point of a laser beam and a slit aperture
05/21/2003EP1312142A1 Laser module comprising a drive circuit
05/21/2003EP1311814A1 High precision wavelength monitor for tunable laser systems
05/21/2003CN2552213Y Packaging structure for optical assembly
05/21/2003CN1419723A Stabilished radiation source
05/21/2003CN1419722A Automatic power control and laser sloep efficiency normalizing circuit
05/21/2003CN1108882C Optical method and apparatus for sorting textiles
05/20/2003US6567590 Optical communication device
05/20/2003US6567580 Optical combiner system and method
05/20/2003US6567457 Monolithic light reflector
05/20/2003US6567454 Coupled-resonator vertical-cavity lasers with two active gain regions
05/20/2003US6567449 One chip structure used in a read-out apparatus such as a DVD drive or a CD drive for oscillating in a wavelength range of visible red light or infrared ray.
05/20/2003US6567448 Scanning III-V compound light emitters integrated with Si-based actuators
05/20/2003US6567447 Semiconductor laser device and semiconductor laser module using the same
05/20/2003US6567446 Optical device with increased spectral width
05/20/2003US6567445 Ggeneration of heat can be suppressed even if the substrate is provided on the base with the opposite side of the emitting portion of the substrate facing the base.
05/20/2003US6567444 High-power semiconductor laser device in which near-edge portions of active layer are removed
05/20/2003US6567443 Structure and method for self-aligned, index-guided, buried heterostructure AlGalnN laser diodes
05/20/2003US6567441 Source follower circuit, laser driving apparatus, semiconductor laser apparatus, current-voltage convertion circuit, and light receiving circuit
05/20/2003US6567440 Semiconductor laser driving method and optical disc apparatus
05/20/2003US6567439 Radio-frequency laser module and a method for producing it
05/20/2003US6567437 Wavelength monitoring device and its adjusting method, and wavelength stabilizing light source and transmission system having plural wavelength stabilizing light source
05/20/2003US6567436 Opto-electronic oscillators having optical resonators
05/20/2003US6567435 VCSEL power monitoring system using plastic encapsulation techniques
05/20/2003US6567434 CW far-UV laser system with two active resonators
05/20/2003US6567433 System and method for determining transmission wavelengths for lasers in a dense wavelength division multiplexer
05/20/2003US6567198 Wavelength stabilizer in WDM optical transmission system
05/20/2003US6566688 Compound semiconductor structures for optoelectronic devices
05/20/2003US6566677 Nitride-based semiconductor device and manufacturing method thereof
05/20/2003US6566641 Scanning optical system having automatic power control with saw-tooth wave generating circuit
05/20/2003US6566155 Method of manufacturing semiconductor device and gyro
05/20/2003US6565267 Optical transmitting device and optical receiving device each having receptacle type optical module
05/16/2003CA2372910A1 Integrated multi-wavelength and wideband lasers
05/16/2003CA2372908A1 Dynamically reconfigurable optical amplification element
05/16/2003CA2372904A1 Single waveguide integrated wavelength demus photodetector and method of making it
05/16/2003CA2372862A1 Semiconductor laser with disordered and non-disordered quantum well regions
05/16/2003CA2363149A1 Surface emitting dfb laser structures for broadband communication systems and array of same
05/15/2003WO2003041234A1 Semiconductor element
05/15/2003WO2003041232A1 Multiple reflectivity band reflector for laser wavelength monitoring
05/15/2003WO2003041231A1 Multimode fiber laser gratings
05/15/2003WO2003041230A2 Toggling optoelectronic device and method
05/15/2003WO2003041121A2 A current blocking structure to improve semiconductor laser performance
05/15/2003WO2003040791A2 Semiconductor optical device with improved efficiency and output beam characteristics
05/15/2003WO2003017326A3 Methods of conducting wafer level burn-in of electronic devices
05/15/2003WO2003005511A3 Integrated laser with perot-fabry cavity
05/15/2003US20030092263 Method for producing group III nitride compound semiconductor and group III nitride compound semiconductor device
05/15/2003US20030092230 Method for producing group III nitride compound semiconductor and group III nitride compound semiconductor device
05/15/2003US20030092211 Semiconductor laser device and manufacturing method of the same
05/15/2003US20030092208 Electro-optical transceiver system with controlled lateral leakage and method of making it
05/15/2003US20030091349 Optical data link
1 ... 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 ... 525