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9310167 Compact infrared countermeasure emitter  
A semiconductor laser produces infrared radiation suitable for jamming a heat seeking missile, wherein a wavelength of the radiation is in a range of 2-5 microns, and the laser has a semiconductor...
9042422 Tunable external resonator laser  
Disclosed is an ASE-free continuously tunable external resonator laser in which reduction in tuning range and decrease in output are suppressed. The external resonator laser comprises: a fixed...
9042690 Hybrid laser light sources for photonic integrated circuits  
A light source for a photonic integrated circuit may comprise a reflection coupling layer formed on a substrate in which an optical waveguide is provided, at least one side of the reflection...
9042420 Device with transparent and higher conductive regions in lateral cross section of semiconductor layer  
A device including one or more layers with lateral regions configured to facilitate the transmission of radiation through the layer and lateral regions configured to facilitate current flow...
9042418 III-V photonic crystal microlaser bonded on silicon-on-insulator  
Novel methods and systems for miniaturized lasers are described. A photonic crystal is bonded to a silicon-on-insulator wafer. The photonic crystal includes air-holes and can include a waveguide...
9042414 External cavity laser source  
A tunable laser source that includes multiple gain elements and uses a spatial light modulator in an external cavity to produce spectrally tunable output is claimed. Several designs of the...
9042424 Silicon-based lens support structure and cooling package with passive alignment for compact heat-generating devices  
A silicon-based thermal energy transfer apparatus that aids dissipation of thermal energy from a heat-generating device, such as an edge-emitting laser diode, is provided. In one aspect, the...
9039207 Three dimensional image projector stabilization circuit  
A method for providing a feedback circuit for a three dimensional projector. First and second input devices and a sensor for determining the rotational speed of the second input device are...
9042419 Laser converter for emitting a green laser  
The invention provides a laser converter for converting a laser radiation of shorter wavelength to a laser radiation of longer wavelength using a single stage conversion. The laser converter...
9042423 Brightness multi-emitter laser diode module and method  
Improved brightness and feedback multi-emitter laser diode modules and methods are provided. A plurality of laser diode emitters emit broad-area light beams in a beam direction. In cross-section,...
9042413 Q-switched millimeter-wave SMASER  
A pulsed smaser includes at least one optical resonator and an optical pump. The at least one optical resonator includes opposing mirrors, a solid state gain medium having a masing frequency in a...
9042421 Surface emitting laser, surface emitting laser array, and optical apparatus having surface emitting laser array  
There is provided a surface emitting laser allowing a direction of a far-field pattern (FFP) centroid to be inclined from a normal direction of a substrate providing the surface emitting laser,...
9042006 Solid state illumination source and inspection system  
An exemplary illumination source for an inspection system includes a pulsed seed laser having a wavelength of approximately 1104 nm and a continuous wave, Raman seed laser having a wavelength of...
9042417 Photonic device structure and fabrication method thereof  
Various embodiments of a photonic device and fabrication method thereof are provided. In one aspect, a device includes a substrate, a current confinement layer disposed on the substrate, an...
9042416 High-power low-loss GRINSCH laser  
A GRINSCH laser having an asymmetric configuration wherein the optical confinement is weighted more to the n-doped multilayer section than to the p-doped multilayer section. The GRINSCH laser can...
9042415 Method to tune emission wavelength of semiconductor laser diode  
A method to tune an emission wavelength of a laser diode (LD) finely is disclosed. The method first controls a temperature of the etalon filter in T1 or T2, where the transmittance of the etalon...
9036675 Communication module and portable electronic device  
A communication module according to the present invention includes a substrate, a laser element and a light receiving element provided on a front surface of the substrate and separating from each...
9036672 Tensile strained semiconductor photon emission and detection devices and integrated photonics system  
Tensile strained germanium is provided that can be sufficiently strained to provide a nearly direct band gap material or a direct band gap material. Compressively stressed or tensile stressed...
RE45517 Vertical geometry InGaN LED  
A vertical geometry light emitting diode is disclosed that is capable of emitting light in the red, green, blue, violet and ultraviolet portions of the electromagnetic spectrum. The light emitting...
9036677 Transverse pumped laser amplifier architecture  
An optical gain architecture includes a pump source and a pump aperture. The architecture also includes a gain region including a gain element operable to amplify light at a laser wavelength. The...
9036248 Light generation device and light generation method  
A terahertz light generation device 1 comprises a resonator structure 12 for intensifying incident light and outputting the intensified light and laser oscillation units 10, 11 for feeding the...
9036678 Light emitting semiconductor device  
A fiber coupled semiconductor device and a method of manufacturing of such a device are disclosed. The method provides an improved stability of optical coupling during assembly of the device,...
9036251 Slab amplification device, laser apparatus, and extreme ultraviolet light generation system  
An EUV light generation system includes a driver laser comprising a master oscillator such as a semiconductor laser, a spatial filter, gas slab amplification devices, relay optical systems, and...
9036676 Catalytic generation of metastable singlet oxygen  
Singlet oxygen metastables can be formed. A catalytic coating is formed on an interior surface of a flow reactor, and an oxygen containing species is flowed into the flow reactor to produce...
9036669 Obtaining narrow line-width, full C-band tunability mirror for monolithic or hybrid integrated lasers  
An apparatus comprising an optical medium, a power splitter coupled to the optical medium, a first delay line coupled to the power splitter such that the power splitter is positioned between the...
9036671 Method for fabricating group-III nitride semiconductor laser device  
A method for fabricating a group-III nitride semiconductor laser device stably supplies laser cavity mirrors having a low lasing threshold current through the use of a semi-polar plane. A blade 5g...
9036971 Laser based frequency standards and their applications  
Frequency standards based on mode-locked fiber lasers, fiber amplifiers and fiber-based ultra-broad bandwidth light sources, and applications of the same.
9036673 Semiconductor laser  
A semiconductor laser includes a semiconductor nanowire of a first conductivity type provided over a substrate, a light emitting layer provided around the semiconductor nanowire and insulated at...
9036670 Method for optical frequency synthesis  
A method for generation of electromagnetic radiation has the following method steps: generation of electromagnetic radiation at a useful frequency,division of the electromagnetic radiation into a...
9033515 Heat dissipation device of light engine with fan module and heat sink  
A heat dissipation device of a light engine for a projector has a housing, a fan module, a light engine and a heat sink. The light engine is positioned in the housing and connected to the heat...
9036668 Grating external-cavity semiconductor laser and quasi-synchronous tuning method thereof  
A method for quasi-synchronous tuning of wavelength or frequency of grating external-cavity semiconductor laser and a corresponding semiconductor laser are provided. A grating or mirror is rotated...
9036667 High power single mode ytterbium fiber laser system with single mode neodymium fiber pump source  
A high power fiber laser system emitting a substantially diffraction limited beam with a Gaussian intensity profile includes a single mode (“SM”) neodymium fiber pump source outputting a SM pump...
9036674 Efficient third-order distributed feedback laser with enhanced beam pattern  
A third-order distributed feedback laser has an active medium disposed on a substrate as a linear array of segments having a series of periodically spaced interstices therebetween and a first...
9031105 Conduction cooled high power semiconductor laser and method for fabricating the same  
A conduction cooled high power semiconductor laser and a method for fabricating the same are provided. The conduction cooled high power semiconductor laser comprises a heat sink (2) and one or...
9031113 Resonator with intracavity transformation of a Gaussian into a top-hat beam  
The invention relates to an optical resonator, laser apparatus and a method of generating a laser beam inside an optical resonator. The optical resonator (100) includes an optical cavity (102) and...
9031100 Broadband short pulse fiber lasers capable of generating output spectra broader than gain bandwidth  
Implementations and examples of fiber lasers based on fiber laser cavity designs that produce self-similar pulses (“similaritons”) to achieve a pulse spectral bandwidth greater than a gain...
9031103 Temperature measurement and control for laser and light-emitting diodes  
The existing diodes in an LED or laser diode package are used to measure the junction temperature of the LED or laser diode. The light or laser emissions of a diode are switched off by removing...
9031111 Optical semiconductor device and method of manufacturing optical semiconductor device  
A method of manufacturing an optical semiconductor device including: forming a mesa structure including a first conductivity type cladding layer, an active layer and a second conductivity type...
9031112 Echelle diffraction grating and its manufacturing method, excimer laser and its manufacturing method  
A manufacturing method for an excimer laser that includes a reflective Echelle diffraction grating includes obtaining information of a wavelength of a light source, a blazed order, a repetitive...
9031106 Hyperbolic metamaterials as distributed bragg mirrors for high power VCSEL devices  
Implementing a layered hyperbolic metamaterial in a vertical cavity surface emitting laser (VCSEL) to improve thermal conductivity and thermal dissipation thereby stabilizing optical performance....
9031098 All fiber passively Q-switched laser  
Embodiments relate to an all fiber passively Q-switched laser. The laser includes a large core doped gain fiber having a first end. The large core doped gain fiber has a first core diameter. The...
9031102 Methods of modulating microlasers at ultralow power levels, and systems thereof  
A microlaser system includes an optical source, a microlaser, an actuator switch, and a photovoltaic power source. The microlaser, which includes a control element, is optically pumped by at least...
9031104 Low inductance laser diode bar mount  
The laser mount arrangement can have a laser bar and a driver positioned adjacent to one another and secured against a connection face of a heat sink base. The heat sink base is connected to and...
9028070 Light emitting element having structural bodies arrayed at a first pitch along a first direction and arrayed at a second pitch different from said first pitch along a second direction and projection display device provided with same  
Provided is a light-emitting element having high luminance and high directivity and emitting light in a controlled polarization state. The light-emitting element comprises substrate 3 and light...
9031101 Multi-color harmonic synthesized laser system for laser processing and laser processing method using multi-color harmonic synthesized laser  
A multi-color harmonic synthesized laser system for laser processing and a laser processing method using multi-color harmonic synthesized laser are disclosed. The multi-color harmonic synthesized...
9031107 Interposer configuration with thermally isolated regions for temperature-sensitive opto-electronic components  
An interposer (support substrate) for an opto-electronic assembly is formed to include a thermally-isolated region where temperature-sensitive devices (such as, for example, laser diodes) may be...
9031114 Vibration resistant optically pumped semiconductor laser  
An intra-cavity frequency doubled OPS-laser includes a laser-resonator terminated by a plane mirror and a mirror-structure of an OPS-chip. The resonator is folded by three fold-mirrors. The...
9031108 Circuitry and method for driving laser with temperature compensation  
A temperature-compensated laser driving circuit for driving a laser component is provided. The temperature-compensated laser driving circuit includes: a temperature compensation circuit,...
9031109 Light source, use of a driver and method for driving  
The invention relates to solid state light source, a use of a driver circuit for driving a light emitting element (150) of a solid state light source, a method for driving a light emitting element...
9031099 Fiber with asymmetrical core and method for manufacturing same  
An optical active fiber is configured with an asymmetrically-shaped core having at least one long axis and a shortest axis which extends transversely to the long axis. The outmost cladding of the...