216131 ⎘
Semiconductor lasers; Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well lasers [SQW-lasers], multiple quantum well lasers [MQW-lasers] or graded index separate confinement heterostructure lasers [GRINSCH-lasers] having no PN junction, e.g. unipolar lasers, intersubband lasers, quantum cascade lasers
Sub-classes:A SEMICONDUCTOR LIGHT-EMITTING STRUCTURE AND A METHOD FOR MANUFACTURING THE SEMICONDUCTOR LIGHT-EMITTING STRUCTURE
#2BANDWIDTH ENHANCEMENT OF QUANTUM DOT/WELL HYBRID III-V/SILICON MICRO-RING LASERS
#3SEMICONDUCTOR LASER CHIP FOR GAS SENSOR
#4DEVICES INCLUDING IIIxOz , AlyOz SUPERLATTICES
#5EXTERNAL RESONANT LASER MODULE
#6CONTINUOUS FREQUENCY-TUNING ARRAY LIGHT SOURCE
#7SPECIALIZED MOBILE LIGHT DEVICE CONFIGURED WITH A GALLIUM AND NITROGEN CONTAINING LASER SOURCE
#8Interband Cascade Lasers with Improved Voltage Efficiency
#9COMPACT LASER SCALPEL AND METHOD FOR PREFERENTIAL ABLATION OF TUMOR TISSUE
#10DEPTH-RESOLVED MID-INFRARED PHOTOTHERMAL IMAGING OF LIVING CELLS AND ORGANISMS WITH SUB-MICRON SPATIAL RESOLUTION
#11VERTICAL-CAVITY SURFACE-EMITTING LASER (VCSEL) WITH CASCADED ACTIVE REGION
#12QUANTUM CASCADE LASER ELEMENT
#13QUANTUM CASCADE ELEMENT
#14Vertical-cavity surface-emitting laser (VCSEL) with cascaded active region
#15SEMICONDUCTOR LASER DEVICE
#16Spectroscopy Device Incorporating a Mid-Infrared Laser
#17Specialized mobile light device configured with a gallium and nitrogen containing laser source
#18Multi-quantum-reference laser frequency stabilization
#19QUANTUM CASCADE LASER ELEMENT AND QUANTUM CASCADE LASER DEVICE
#20QUANTUM CASCADE LASER ELEMENT, QUANTUM CASCADE LASER DEVICE, AND METHOD FOR MANUFACTURING QUANTUM CASCADE LASER ELEMENT
#21EXTERNAL RESONANCE TYPE LASER MODULE
#22Weak Index Guiding of Interband Cascade Lasers
#23Depth-resolved mid-infrared photothermal imaging of living cells and organisms with sub-micron spatial resolution
#24QUANTUM-CASCADE LASER ELEMENT AND QUANTUM-CASCADE LASER DEVICE
#25METHOD FOR PRODUCING QUANTUM CASCADE LASER ELEMENT
#26QUANTUM CASCADE LASER ELEMENT AND QUANTUM CASCADE LASER DEVICE
#27QUANTUM CASCADE LASER ELEMENT AND QUANTUM CASCADE LASER DEVICE
#28Quantum cascade laser system with angled active region
#29QUANTUM CASCADE LASER ELEMENT AND QUANTUM CASCADE LASER DEVICE
#30QUANTUM CASCADE LASER DEVICE
#31EXTERNAL RESONANT LASER MODULE
#32Monolithically integrated mid-infrared two-dimensional optical phased array
#33PHOTODETECTOR AND BEATING SPECTROSCOPY DEVICE
#34Surface-emitting semiconductor light-emitting device
#35Depth-resolved mid-infrared photothermal imaging of living cells and organisms with sub-micron spatial resolution
#36QUANTUM CASCADE LASER
#37External resonant laser module
#38External resonant laser module
#39EXTERNAL RESONANCE-TYPE LASER MODULE
#40LASER SOURCE AND METHOD FOR FORMING THE SAME
#41LASER MODULE
#42Optical kit and optical device
#43Method of making a distributed Bragg mirror
#44Laser processing apparatus
#45Monolithic quantum cascade laser (QCL)/avalanche photodiode (APD) infrared transceiver
#46SURFACE-EMITTING QUANTUM CASCADE LASER
#47Compact laser scalpel and method for preferential ablation of tumor tissue
#48Quantum cascade laser device
#49SYSTEM AND METHOD FOR OPTICAL FEEDBACK STABILIZED SEMICONDUCTOR FREQUENCY COMBS
#50Dual quantum cascade laser micropackage
#51Quantum cascade laser element
#52Quantum cascade laser
#53Acousto-optic tuning of lasers
#54QCL Spectroscopy System and Applications Therefor
#55Specialized mobile light device configured with a gallium and nitrogen containing laser source
#56Vertical-cavity surface-emitting laser (VCSEL) with cascaded active region
#57Quantum cascade laser
#58QUANTUM CASCADE LASER
#59Mid-IR external cavity quantum cascade laser with a wavelength-adjustable interference filter
#60Quantum cascade laser system with angled active region
#61Thermo-optically tunable laser system
#62Widely-tunable harmonic frequency comb in a quantum cascade laser
#63Quantum cascade laser with monolithically integrated passive waveguide
#64Waveguide heterostructure for dispersion compensation in semiconductor laser
#65Semiconductor laser wafer and semiconductor laser
#66Spectrum measurement apparatus and spectrum measurement method
#67Plasmonic laser
#68Acousto-optic tuning of lasers
#69Dual quantum cascade laser micropackage
#70Pulsed quantum cascade device assembly with active voltage pulldown
#71Gallium nitride cross-gap light emitters based on unipolar-doped tunneling structures
#72INHOMOGENEOUS FOCUSING AND BROADBAND METASURFACE QUANTUM-CASCADE LASERS
#73Quantum cascade laser
#74Thermo-optically tunable laser system
#75Quantum impedance matching for carrier injection in tunable transistor-injected quantum cascade lasers
#76Method for making quantum cascade laser with angled active region
#77Laser module and system
#78Dual quantum cascade laser micropackage
#79Acousto-optic tuning of lasers
#80Substrate including photonic crystal and method for manufacturing the same, and surface emitting quantum cascade laser
#81Surface-emitting quantum cascade laser
#82Laser power adjustment during tuning to compensate for detector response and varying background absorption
#83Quantum cascade laser
#84Distributed feedback semiconductor laser
#85External resonance type laser module, analysis apparatus, method of driving external resonance type laser module, and non-transitory computer readable medium
#86Fluid analyzer
#87Quantum cascade laser
#88Laser apparatus and extreme ultraviolet light generating system
#89Analyzer, absorption characteristic calculation circuit, and analysis method
#90Quantum cascade laser, light emitting apparatus
#91Quantum cascade laser, light emitting apparatus, method for fabricating quantum cascade laser
#92Light emitting apparatus
#93QCL spectroscopy system and applications therefor
#94OPTICAL SEMICONDUCTOR DEVICE
#95Plasmonic mode III-V laser as on-chip light source
#96Quantum Cascade Laser (QCL) Based Gas Sensing System and Method
#97ADDITIVE MANUFACTURING APPARATUS, PROCESSING DEVICE, AND ADDITIVE MANUFACTURING METHOD
#98Semiconductor laser
#99Acousto-optic tuning of lasers
#100Terahertz laser, terahertz source and use of such a terahertz laser
#101Laser core having conductive mass electrical connection
#102Vernier effect DBR lasers incorporating integrated tuning elements
#103Quantum cascade semiconductor laser
#104QUANTUM CASCADE LASER
#105Light source and method for controlling the same
#106Depth-resolved mid-infrared photothermal imaging of living cells and organisms with sub-micron spatial resolution
#107Movable diffraction grating, method of manufacturing the same, and external resonator type laser module
#108GAS MEASURING APPARATUS
#109Integrated quantum cascade laser, semiconductor optical apparatus
#110Quantum cascade laser with angled active region and related methods
#111Light source assembly with multiple, disparate light sources
#112Quantum cascade laser
#113Quantum cascade laser with current blocking layers
#114Weakly index-guided interband cascade lasers with no grown top cladding layer or a thin top cladding layer
#115Laser source assembly with thermal control and mechanically stable mounting
#116Quantum cascade laser integrated device
#117Thermo-optically tunable laser system
#118Low-noise current source including one or more current generator modules
#119Monolithically integrated infrared transceiver
#120Quantum cascade laser
#121Laser module and system
#122Surface-emitting ring-cavity quantum cascade laser with ring-shaped phase shifter and related methods
#123Nitride semiconductor device and quantum cascade laser using the same
#124Quantum cascade laser
#125Monolithical widely tunable quantum cascade laser devices
#126Method for producing quantum cascade laser and quantum cascade laser
#127Laser module with meniscus collimating lens
#128Quantum cascade laser
#129Interband cascade light emitting devices
#130Fluid analyzer and method of manufacturing fluid analyzer
#131Thermal-mechanical adjustment for laser system
#132Quantum cascade external cavity laser with metasurfaces
#133Waveguide structure for mid-IR multiwavelength concatenated distributed-feedback laser with an active core made of cascaded stages
#134Laser apparatus, EUV light generation system, and method of controlling laser apparatus
#135Quantum cascade laser
#136Quantum cascade laser array
#137Rapidly tunable laser assembly
#138Quantum cascade laser
#139Light source with controllable linear polarization
#140Gas measuring apparatus
#141MONOLITHIC TUNABLE TERAHERTZ RADIATION SOURCE USING NONLINEAR FREQUENCY MIXING IN QUANTUM CASCADE LASERS
#142Microelectromechanical system for tuning lasers
#143Long wavelength quantum cascade lasers based on high strain composition
#144Angled facet broad-ridge quantum cascade laser
#145Terahertz quantum cascade laser implementing a {hacek over (C)}erenkov difference-frequency generation scheme
#146Quantum cascade semiconductor laser
#147Monolithic wide wavelength tunable mid-IR laser sources
#148Quantum cascade laser (QCL) based gas sensing system and method
#149QCL spectroscopy system and applications therefor
#150Spectroscopy system using waveguide and employing a laser medium as its own emissions detector
#151Generating terahertz frequency combs from quantum cascade lasers using nonlinear frequency mixing
#152Laser and integrated graphene modulator
#153Laser source assembly with thermal control and mechanically stable mounting
#154Monolithically integrated absolute frequency comb laser system
#155Device and a method for 3D printing and manufacturing of materials using quantum cascade lasers
#156Single-mode, distributed feedback interband cascade lasers
#157Semiconductor interband lasers and method of forming
#158Method for manufacturing semiconductor device and the semiconductor device
#159Quantum cascade laser and method for manufacturing quantum cascade laser
#160QCL spectroscopy system and applications therefor
#161High-power laser diode isolation and thermal management
#162Monolithic wide wavelength tunable mid-IR laser sources
#163Tunable semiconductor lasers
#164Method for producing semiconductor optical device
#165Substrate-emitting transverse magnetic polarized laser employing a metal/semiconductor distributed feedback grating for symmetric-mode operation
#166Use of one or more retro-reflectors in a gas analyzer system
#167Quantum cascade lasers with improved performance using interface roughness scattering
#168Quantum cascade laser
#169Single-mode quantum cascade lasers with enhanced tuning range
#170Light source assembly with multiple, disparate light sources
#171Laser module and system
#172Tapered waveguide high-power quantum cascade lasers
#173Thermo-optically tunable laser system
#174Tunable laser, a method for making, and a method for operating such a laser
#175Laser source with a large spectral range
#176SENSOR SYSTEM FOR DETECTING FUGITIVE GAS
#177Heterodyne detection system and method
#178Infrared laser
#179Structure for electron-beam pumped edge-emitting device and methods for producing same
#180Quantum cascade laser
#181SEMICONDUCTOR OPTICAL DEVICE ASSEMBLY
#182Laser source assembly with thermal control and mechanically stable mounting
#183Junctionless semiconductor light emitting devices
#184Laser assembly with package beam pointing registration
#185Multiquantum well structures for suppression of electron leakage and reduction of threshold-current density in quantum cascade lasers
#186Quantum cascade laser
#187Chemical detection and laser wavelength stabilization employing spectroscopic absorption via laser compliance voltage sensing
#188Quantum cascade laser manufacturing method
#189Quantum cascade laser element
#190High output, mid infrared laser source assembly
#191Semiconductor device and method for producing light and laser emission
#192Quantum cascade semiconductor laser
#193Quantum cascade laser
#194Quantum cascade laser
#195Regenerative amplifier, laser apparatus, and extreme ultraviolet light generation system
#196Multi-wavelength high output laser source assembly with precision output beam
#197Chemical detection and laser wavelength stabilization employing spectroscopic absorption via laser compliance voltage sensing
#198Methods for determining optical power, for power-normalizing laser measurements, and for stabilizing power of lasers via compliance voltage sensing
#199Infrared laser
#200Interband cascade laser amplifier medium
#201Infrared laser
#202MULTI-WAVELENGTH DBR LASER
#203Process for manufacturing buried hetero-structure laser diodes
#204Interband cascade lasers
#205Method for manufacturing quantum cascade laser
#206Waveguide, apparatus including the waveguide, and method of manufacturing the waveguide
#207Thermo-optically tunable laser system
#208Interband cascade lasers with engineered carrier densities
#209Laser characterization system and process
#210Regenerative amplifier, laser apparatus, and extreme ultraviolet light generation system
#211Wavelength-tunable light source
#212Optoelectronic Devices Including Compound Valence-Band Quantum Well Structures
#213Interband cascade lasers
#214High-temperature interband cascade lasers
#215Quantum cascade lasers with electrically tunable emission wavelengths
#216Thermal pointer
#217Continuous wavelength tunable laser source with optimum orientation of grating and gain medium
#218Multi-wavelength high output laser source assembly with precision output beam
#219Semiconductor interband lasers and method of forming
#220QCL spectroscopy system and applications therefor
#221LASER DEVICE, LASER SYSTEM, AND EXTREME ULTRAVIOLET LIGHT GENERATION APPARATUS
#222Methods and apparatus for single-mode selection in quantum cascade lasers
#223QUANTUM CASCADE LASER THAT GENERATES WIDELY VIEWABLE MID-INFRARED LIGHT
#224Pseudo-CW Quantum Cascade Laser System
#225SECURITY DEVICE WITH COMPACT MID-IR LASER
#226Tunable Quantum Cascade Lasers And Photoacoustic Detection Of Trace Gases, TNT, TATP and Precursors Acetone And Hydrogen Peroxide
#227Tunable Quantum Cascade Lasers and Photoacoustic Detection of Trace Gases, TNT, TATP and Precursors Acetone and Hydrogen Peroxide
#228Compact mid-IR laser
#229Tunable Quantum Cascade Lasers and Photoacoustic Detection of Trace Gases, TNT, TATP and Precursors Acetone and Hydrogen Peroxide
#230Tunable Quantum Cascade Lasers and Photoacoustic Detection of Trace Gases, TNT, TATP and Precursors Acetone and Hydrogen Peroxide
#231Tunable Quantum Cascade Lasers and Photoacoustic Detection of Trace Gases, TNT, TATP and Precursors Acetone and Hydrogen Peroxide
#232CIRCULAR SEMICONDUCTOR LASERS HAVING LATTICES FOR VERTICAL EMISSION
#233HIGH OUTPUT LASER SOURCE ASSEMBLY WITH PRECISION OUTPUT BEAM
#234Lenses, optical sources, and their couplings
#235Methods and Apparatus for Efficient, Low-noise, Precision Current Control
#236COMPACT MID-IR LASER
#237SPECTRALLY TUNABLER LASER MODULE
#238COMPACT MID-IR LASER
#239High output, mid infrared laser source assembly
#240High-temperature interband cascade lasers
#241Quantum cascade laser amplifier with an anti-reflection coating including a layer of yttrium fluoride
#242Lenses, optical sources, and their couplings
#243Compact Mid-IR laser
#244Extended tuning in external cavity quantum cascade lasers
#245NOVEL FABRICATION OF SEMICONDUCTOR QUANTUM WELL HETEROSTRUCTURE DEVICES
#246FIXED WAVELENGTH MID INFRARED LASER SOURCE WITH AN EXTERNAL CAVITY
#247Integrated broadband quantum cascade laser
#248Compact external cavity mid-IR optical lasers
#249Tunable quantum cascade lasers and photoacoustic detection of trace gases, TNT, TATP and precursors acetone and hydrogen peroxide
#250Broadly tunable single-mode quantum cascade laser sources and sensors
#251Extended tuning in external cavity quantum cascade lasers
#252Compact mid-IR laser
#253ACTIVE OPTICAL ANTENNA
#254Piezo activated mode tracking system for widely tunable mode-hop-free external cavity mid-IR semiconductor lasers
#255Lenses, optical sources, and their couplings
#256Broadened waveguide for interband cascade lasers
#257Device for generating or detecting electromagnetic radiation, and fabrication method of the same
#258Terahertz quantum cascade laser
#259Semiconductor light source with electrically tunable emission wavelength
#260Laser devices using a semipolar plane
#261Laser devices using a semipolar plane
#262Method of making QCL with optimized brightness and related methods
#263Laser devices using a semipolar plane
#264Laser devices using a semipolar plane
#265Spectrometer device with stabilized laser and related devices and methods
#266Quantum cascade laser system with power scaling and related methods and devices
#267Wavelength tunable external cavity quantum cascade laser utilizing an angle tuned immersion grating as a wavelength selective filter element
#268Tunable multi-frequency terahertz quantum cascade laser source
#269Laser devices using a semipolar plane