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US20120195340 SOLID STATE LIGHTING DEVICES COMPRISING QUANTUM DOTS  
Solid state lighting devices containing quantum dots dispersed in polymeric or silicone acrylates and deposited over a light source. Solid state lighting devices with different populations of...
US20080232420 Light Emitting Diodes and Lasers Diodes with Color Converters  
The present invention relates to a light emitting diode (LED) or a laser diode (2) with a functional element (3) mounted on a light out-coupling side of the LED or laser diode (2) wherein the...
US20080080582 Optically Pumped Semiconductor Device  
A semiconductor device comprising an optically pumped vertical emitter having an active vertical emitter layer (3), and a pump radiation source, which is used to generate a pump radiation field...
US20050286586 Geometric optimizations for reducing spontaneous emissions in photodiodes  
An optical structure that reduces the effects of spontaneous emissions from the active region of a laser. An optical structure includes optimizations to reduce the effects of spontaneous...
US20050226303 Solid-state laser pumped by semiconductor laser array  
A solid-state laser apparatus includes a solid-state laser medium producing an output laser beam, the solid-state laser medium forming a microchip laser and having opposing end surfaces forming a...
US20050094696 Compact front facet tap for laser device  
A laser device that includes structure to tap laser output energy, e.g., to measure output power levels, is provided. The laser device includes a laser source and an optical objective that is able...
US20070002917 Electro-absorption modulator integrated with a vertical cavity surface emitting laser  
An electro-absorption modulator integrated with a vertical cavity surface emitting laser (VCSEL). An electro-absorption modulator (EAM) is integrated or grown on a VCSEL. The electro-absorption...
US20060039433 Silicon nanocrystal/erbium doped waveguide (SNEW) laser  
A rare earth-doped solid-state integrated laser which includes an optical waveguide, and a laser cavity including at least one subwavelength mirror. The subwavelength mirror is disposed in or on...
US20050041700 Multiwavelength semiconductor laser  
Disclosed is a multiwavelength semiconductor laser capable of emitting first and second laser beams of different wavelengths from first and second positions of an emission surface, comprising a...
US20050169336 Vertical-cavity surface-emitting semiconductor laser  
A surface-emitting semiconductor laser includes comprising a substrate, a first mesa that is formed on the substrate and includes at least one mesa capable of emitting laser light, and a second...
US20090026471 LIGHT-SCATTERING STRUCTURE, LIGHT EMITTING DEVICE COMPRISING THE SAME AND METHOD OF FORMING THE SAME  
A light-scattering structure with micron-scale or submicron-scale protruding portions is provided to improve the light extraction efficiency of light emitting devices. The protruding portions...
US20120314402 SOLID STATE WHITE LIGHT EMITTER AND DISPLAY USING SAME  
A light emitting assembly comprising a solid state device coupleable with a power supply constructed and arranged to power the solid state device to emit from the solid state device a first,...
US20050281297 Vertical cavity surface emitting laser, telecommunication system and corresponding method  
This invention relates to a vertical cavity surface emitting laser (VCSEL) comprising at least one optical element inside the said cavity, the optical element having a variable optical loss...
US20090274187 Semiconductor Laser, Module and Optical Transmitter  
A semiconductor optical waveguide-A having an optical amplification function and a semiconductor optical waveguide-B having a light control function are integrated together on the same substrate....
US20090059990 External Cavity semiconductor laser  
An external cavity semiconductor laser is provided with a first input-output section 2a and a second input-output section 2b that are disposed on a common end surface 2 via a center axis 3. The...
US20050063439 Laser source in guided optics  
A laser source includes a first optical element and a second optical element spaced apart from each other and defining a laser cavity therebetween. The laser cavity with a lasing material therein...
US20070153858 Optical spot size converter integrated laser device and method for manufacturing the same  
An optical spot size converter integrated laser device includes a substrate; a first waveguide laminated on the substrate and optically coupled to an optical fiber, the first waveguide being...
US20060023765 Semiconductor laser having two or more laser diode portions and a manufacturing method for the same  
The semiconductor laser according to the present invention has a substrate used as a shared base, on which an infrared laser diode portion and a red laser diode portion are formed apart from each...
US20080187017 Organic semiconductor laser and method for producing it  
An organic semiconductor laser, which is produced integrally with an electrically operable inorganic LED (1), and also the method for producing said laser.
US20090074023 Broad Spectrum Light Source  
The light includes a laser (4), which operates at or near its fundamental wavelength and produces pulses of a duration longer than 0.5 ns, and a micro-structured optical fibre (9) arranged to...
US20080212635 HIGH EFFICIENCY DISTRIBUTED FEEDBACK (DFB) LASER WITH LOW-DUTY CYCLE GRATING  
The invention provides a grating for a distributed feedback laser having decreased diffraction loss with reduced +/−1 order diffraction and scattering loss resulting from the reduced imperfections...
US20080259971 Method for improving high frequency operation of a vertical cavity surface emitting laser (VCSEL) with monolithically integrated bridge arm  
A vertical cavity laser apparatus is provided. In one embodiment, the apparatus includes an electrically responsive substrate; a support block positioned on the electrically responsive substrate;...
US20110280269 HIGH CONTRAST GRATING INTEGRATED VCSEL USING ION IMPLANTATION  
A Vertical Cavity Surface Emitting Laser (VCSEL) and its fabrication are taught which incorporate a high contrast grating (HCG) to replace the top mirror of the device and which can operate at...
US20060002443 Multimode external cavity semiconductor lasers  
External cavity laser devices provide multimode laser operation by using a wavelength selective element that produces a spectral width profile able to support multiple longitudinal laser modes....
US20120076167 SIDE-EMITTING LED LIGHT SOURCE FOR BACKLIGHTING APPLICATIONS  
Disclosed is a side-emitting light device comprising two sub-assemblies which are optically bonded together. Each sub-assembly comprises a substrate, at least one light source disposed on the...
US20050018720 Contact length trimming or vernier resistor trimming of a semiconductor laser source contact to change the source applied current density and resulting operational wavelength  
A laser source or a plurality of laser sources in a photonic integrated circuit (PIC) are provided with an electrical contact that is either segmented or is connected to a series of vernier...
US20050013337 Semiconductor injection locked lasers and method  
In one aspect, the invention relates to a semiconductor laser. The laser includes a substrate and an elongate unitary laser structure disposed on the substrate. In turn, the elongate unitary laser...
US20080273567 HYBRID WAVEGUIDE SYSTEMS AND RELATED METHODS  
A III-V semiconductor waveguide is coupled with a Si waveguide to form a hybrid structure. Spatial location of the optical mode (or supermode) of the hybrid structure is controlled by controlling...
US20100034223 Light-emitting device having injection-lockable semiconductor ring laser monolithically integrated with master laser  
A semiconductor ring laser (SRL) section is monolithically integrated with a DFB or DBR master laser section on a semiconductor substrate of a light-emitting device to provide an injection locking...
US20100195675 Terahertz and millimeter wave source  
The present invention relates generally to a terahertz and millimeter wave source, and more particularly, but not exclusively, to structures for coupling the terahertz electromagnetic waves out of...
US20070211778 Laser assembly with integrated photodiode  
A laser assembly comprises a substrate, one or more standoffs and a semiconductor laser. The substrate has a first doped region and a second doped region. The second doped region is proximate to...
US20070237198 Vertical-stacked coupled quantum-dot vertical cavity surface emitting laser  
A vertical-stacked coupled quantum-dot vertical cavity surface emitting laser includes a semiconductor substrate, a lower distributed Bragg reflector, a first wave guide layer, an emitting layer,...
US20100085998 Laser diode and method of manufacturing the same  
A laser diode has a plurality of structures, each of which having a function of scattering, absorbing or reflecting stray light, disposed in a region along an optical waveguide, wherein at least...
US20050226283 SINGLE-MODE SEMICONDUCTOR LASER WITH INTEGRATED OPTICAL WAVEGUIDE FILTER  
A monolithic single-mode semiconductor laser comprises three coupled Fabry-Perot cavities in tandem, each separated by a vertically etched air gap of a size that is substantially equal to an...
US20140029639 PHOTONIC PACKAGE ARCHITECTURE  
A photonic package includes a photonic device having a photon emitter on the front side of the die. A beam of photons from the photon emitter passing from the front side to the backside of the...
US20110128987 HIGH-POWER SEMICONDUCTOR LASER AND METHOD FOR MANUFACTURING THE SAME  
A high-power semiconductor laser includes a support block, an anode metal plate, a cathode metal plate and a chip. The support block has a step, and the two ends of the support block have bosses,...
US20090116528 Nitride semiconductor laser device  
A nitride semiconductor laser device has a multilayer structure formed by stacking a plurality of nitride semiconductor layers made of hexagonal nitride semiconductors, while the multilayer...
US20050018732 Uncooled and high temperature long reach transmitters, and high power short reach transmitters  
A method for improving the reliability of an uncooled long reach optical transmitter operating substantially at a predetermined output power. The uncooled long reach optical transmitter in this...
US20050249256 WAVELENGTH SWITCHABLE SEMICONDUCTOR LASER  
A monolithically integrated wavelength switchable laser comprises three coupled Fabry-Perot cavities. The length and consequently the free spectral range of the first cavity are designed such that...
US20070019691 Waveguide laser light source suitable for projection displays  
The invention relates to a semiconductor diode laser used to pump a waveguide and their use as light source. A waveguide laser (15) according to the present invention producing visible wavelength...
US20110222570 ACTIVE PHOTONIC DEVICE  
An active photonic device assembly (1) comprising a substrate (10) and a waveguide entity (18) provided on the substrate (10). The active photonic device assembly (1) further comprises a contact...
US20060239306 Characterization and non-invasive correction of operational control currents of a tuneable laser  
A tuneable multi-section semiconductor laser 100 is characterized by applying currents in step-wise increments to sections 101, 102, 103 of the laser respectively and measuring power output by the...
US20050063441 High density methods for producing diode-pumped micro lasers  
A miniaturized laser package is provided comprising a standard semiconductor laser package modified to accept a solid state microchip assembly pumped by the diode laser. Standard packages...
US20110176573 Silicone Leaded Chip Carrier  
In an embodiment, the invention provides a SLCC package comprising first and second electrically conductive terminals, a polysiloxane and glass fiber structural body, a light source and a...
US20090303486 LIGHT SOURCE AND GAS MEASURING DEVICE  
A light source is provided that realizes a single spectral linewidth having a half value width of 1 MHz or less and that is not influenced by the ambient temperature. A light source includes first...
US20050185689 Optoelectronic device having a Discrete Bragg Reflector and an electro-absorption modulator  
A semiconductor component includes a waveguide section for guiding optical radiation, a Distributed Bragg Reflector (DBR) section for wavelength-selecting optical radiation received from the...
US20090302881 Internal Memory for Transistor Outline Packages  
A transistor outline (TO) package includes a housing having a window and a substrate. Circuitry is coupled to the substrate within the housing. The circuitry comprises a laser diode and memory...
US20050226298 Power conversion device  
A large amount of heat generation is incidental to conventional power conversion devices due to large ion voltage of a diode element rectifying AC power to DC power. Moreover, in the heat...
US20050232327 Integrated semiconductor laser diode module and manufacturing method of the same  
Improving the lifetime of an integrated semiconductor laser diode module into which a GaN semiconductor laser diode and a GaP semiconductor laser diode are integrated, and the lasing properties of...
US20130177037 SEMICONDUCTOR INTEGRATED DEVICE AND METHOD FOR PRODUCING THE SAME  
A semiconductor integrated device includes a light-emitting portion including a first lower mesa, a first lower buried layer provided on a side surface of the first lower mesa, a first upper mesa...

Matches 1 - 50 out of 184 1 2 3 4 >