215947 ⎘
Semiconductor lasers; Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region Multi-wavelength lasing
Sub-classes:PEST CONTROL APPARATUS
#2MULTI-WAVELENGTH DISTRIBUTED FEEDBACK LASER
#3OPTOELECTRONIC MODULE AND METHOD FOR PRODUCING AN OPTOELECTRONIC MODULE
#4EXTERNAL CAVITY LASER WITH MULTIPLE MATERIALS MICRO-RING REFLECTORS
#5BICHROMATIC LASER FREQUENCY STABILIZATION SYSTEM AND METHOD BASED ON DIFFERENTIAL DETECTION OF COEXISTING LAMB-DIPS AND LAMB-PEAKS WITH MULTIPLE INTERACTIONS
#6OPTICAL SENSOR ARRANGEMENT
#7TIME-OF-FLIGHT SYSTEM AND TIME-OF-FLIGHT METHODS
#8Multi-wavelength laser inspection
#9SYSTEMS AND METHODS FOR MICRODISK AND MULTIPLET LASER PARTICLES
#10Semiconductor Laser and Method of Producing a Semiconductor Laser
#11LIGHT-EMITTING DEVICE AND LIGHT-EMITTING SYSTEM
#12LIGHT SOURCE MODULE
#13Light source with optical frequency mixing
#14Multi-wavelength laser inspection
#15Semiconductor optical integrated device
#16Multi-wavelength laser
#17Wavelength tunable light source, optical transmission apparatus using the same, and method of controlling wavelength tunable light source
#18Laser device and method of transforming laser spectrum
#19Multi-wavelength laser inspection
#20Discrete wavelength tunable laser
#21Limited range source of electromagnetic radiation
#22Light frequency up-conversion of laser light, for producing green or yellow light
#23Widely tunable short-cavity laser
#24Tuning a multi-channel optical transmission system
#25Multi-wavelength semiconductor lasers
#26Diagnostic system with broadband light source
#27Multifrequency ocean lidar power optimizer
#28Bloch mirror resonator and distributed feedback laser using same
#29Multi-wavelength laser inspection
#30Exchangeable laser resonator modules with angular adjustment
#31Multi-wavelength light source and optical module using the same
#32External cavity laser using vertical-cavity surface-emitting laser and silicon optical element
#33Tuneable DBR laser without external frequency locker
#34Light emitting element
#35Laser power adjustment during tuning to compensate for detector response and varying background absorption
#36Computationally efficient structured light imaging system
#37Laser
#38Tunable laser for coherent transmission system
#39Efficient Wavelength Tunable Hybrid Laser
#40Spectroscopy system with laser and pulsed output beam
#41Stable linewidth narrowing of a coherent comb laser
#42Stable linewidth narrowing of a coherent comb laser
#43Frequency alignment of optical frequency combs
#44Increasing fabry-perot cavity free spectral range in hybrid lasers
#45Multi-wavelength semiconductor lasers
#46Semiconductor laser source
#47Spectrally shaped tunable short-cavity laser
#48Tunable laser device
#49Light emitting element
#50Three-color light source
#51System and method of reducing speckle for an illuminator
#52Mid-infrared super-continuum laser
#53Tunable laser and method for tuning a lasing mode
#54Hybrid optical source with optical proximity coupling provided by an external reflector
#55Three-color light source
#56Quantum cascade laser
#57Light emitting element
#58System and method for creating and utilizing multivariate paths for ongoing simultaneous multi-dimensional control to attain single mode sweep operation in an electromagnetic radiation source
#59Broadband or mid-infrared fiber light sources
#60Multi-wavelength laser light source and wavelength multiplexing communication system
#61Wavelength-tunable light source and wavelength-tunable light source module
#62Variable-wavelength light source
#63Multi-channel tunable laser
#64Generating terahertz frequency combs from quantum cascade lasers using nonlinear frequency mixing
#65Semiconductor laser diode with integrated heating region
#66Laser light source
#67Laser comb generator
#68Laser light source
#69Laser light source
#70Broadband or mid-infrared fiber light sources
#71Optical modulator
#72System and method to compensate for frequency distortions and polarization induced effects in optical systems
#73Single laser multi-frequency transmitter
#74DUAL WAVELENGTH LASING DEVICE
#75Broadband or mid-infrared fiber light sources
#76External cavity laser source
#77Resonator-enhanced optoelectronic devices and methods of making same
#78High density laser optics
#79Laser light source and method for producing a laser light source
#80Tunable laser with multiple in-line sections including sampled gratings
#81Light source apparatus that irradiates a phosphor layer with excitation light and projector
#82Single-pump multi-wavelength lasing semiconductor Raman pump laser and pump combination apparatus
#83Broadband or mid-infrared fiber light sources
#84High density laser optics
#85System and method for creating and utilizing multivariate paths for ongoing simultaneous multi-dimensional control to attain single mode sweep operation in an electromagnetic radiation source
#86Method of manufacturing frequency tunable terahertz transceiver
#87Resonator-enhanced optoelectronic devices and methods of making same
#88Beat signal generating device for use in a Terahertz system, Terahertz system and use of a beat signal generating device
#89Photonic quantum ring laser and fabrication method thereof
#90Broadband or mid-infrared fiber light sources
#91External cavity laser source
#92Terahertz wave generator
#93Frequency tunable terahertz transceivers and method of manufacturing dual wavelength laser
#94Semiconductor light emitting element, driving method of semiconductor light emitting element, light emitting device, and optical pulse tester using light emitting device
#95Laser light source and method for producing a laser light source
#96Tunable Quantum Cascade Lasers And Photoacoustic Detection Of Trace Gases, TNT, TATP and Precursors Acetone And Hydrogen Peroxide
#97Laser device
#98Tunable Quantum Cascade Lasers and Photoacoustic Detection of Trace Gases, TNT, TATP and Precursors Acetone and Hydrogen Peroxide
#99Tunable Quantum Cascade Lasers and Photoacoustic Detection of Trace Gases, TNT, TATP and Precursors Acetone and Hydrogen Peroxide
#100Tunable Quantum Cascade Lasers and Photoacoustic Detection of Trace Gases, TNT, TATP and Precursors Acetone and Hydrogen Peroxide
#101Tunable Quantum Cascade Lasers and Photoacoustic Detection of Trace Gases, TNT, TATP and Precursors Acetone and Hydrogen Peroxide
#102PHOTONIC QUANTUM RING LASER AND FABRICATION METHOD THEREOF
#103Optical device
#104APPARATUS AND METHOD FOR GENERATING FREQUENCY-VARIABLE SIGNAL
#105Tunable laser
#106Method and device for using optical feedback to overcome bandwidth limitations caused by relaxation oscillation in vertical cavity surface emitting lasers (VCSELs)
#107Broadband or mid-infrared fiber light sources
#108Broadband or mid-infrared fiber light sources
#109Semiconductor optical amplifier pulse reshaper
#110Tunable quantum cascade lasers and photoacoustic detection of trace gases, TNT, TATP and precursors acetone and hydrogen peroxide
#111Light source for swept source optical coherence tomography based on cascaded distributed feedback lasers with engineered band gaps
#112Semiconductor optical amplifier pulse reshaper
#113Multi-wavelength semiconductor laser device and its manufacturing method
#114Broadband light source and method for fabricating the same
#115DUAL-WAVELENGTH SEMICONDUCTOR LASER
#116Grating-stabilized semiconductor laser
#117Method for forming a modified semiconductor having a plurality of band gaps
#118Multi-channel light source and multi-channel optical module using the same
#119Low noise multi-wavelength light source and wavelength division multiplexing system using same
#120System and method for traversing multivariate paths using multi-dimensional control of an electromagnetic radiation source
#121Method of forming a fiber Bragg grating in a pre-assembled laser module
#122System and method for traversing multivariate paths using multi-dimensional control of an electromagnetic radiation source
#123Hybrid mode-locked laser with tunable number of comb lines
#124Mode-hop-free hybrid external-cavity laser with passive thermo-optic coefficient compensation
#125Wavelength tunable external cavity quantum cascade laser utilizing an angle tuned immersion grating as a wavelength selective filter element
#126Fast wavelength-tunable hybrid laser with a single-channel gain medium
#127Scalable fast tunable Si-assisted hybrid laser with redundancy
#128Fast tunable hybrid laser with a silicon-photonic switch
#129Optical modulator