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US20100314608 PHOTODETECTORS  
Implementations of quantum well photodetectors are provided.
US20110121263 Coupled Asymmetric Quantum Confinement Structures  
Implementations and techniques for coupled asymmetric quantum confinement structures are generally disclosed.
US20100264402 USE OF SACK GEOMETRY TO IMPLEMENT A SINGLE QUBIT PHASE GATE  
An implementation of a single qubit phase gate for use in a quantum information processing scheme based on the υ=5/2 fractional quantum Hall (FQH) state is disclosed. Using sack geometry, a qubit ...
US20110168975 CAGED QUANTUM DOTS  
Semiconductor nanocrystals known as quantum dots (QD) are caged by being associated with a molecule such as an orth-Nitrobenzyl (ONB) group. The luminescence of the QD is suppressed until activated...
US20120056159 CONTROLLED QUANTUM DOT GROWTH  
The present disclosure generally relates to techniques for controlled quantum dot growth as well as a quantum dot structures. In some examples, a method is described that includes one or more of...
US20110062415 ANISOTROPIC STRAIN CONTROL IN SEMIPOLAR NITRIDE QUANTUM WELLS BY PARTIALLY OR FULLY RELAXED ALUMINUM INDIUM GALLIUM NITRIDE LAYERS WITH MISFIT DISLOCATIONS  
An epitaxial structure for a III-Nitride based optical device, comprising an active layer with anisotropic strain on an underlying layer, where a lattice constant and strain in the underlying layer...
US20090174435 Monolithically-Integrated Graphene-Nano-Ribbon (GNR) Devices, Interconnects and Circuits  
The invention discloses new and advantageous uses for carbon/graphene nanoribbons (GNRs), which includes, but is not limited to, electronic components for integrated circuits such as NOT gates, OR...
US20060151775 Solid state charge qubit device  
Ionisation of one of a pair of dopant atoms (11, 12) in a substrate (13) creates a double well potential, and a charge qubit is realised by the location of one or more electrons or holes (14)...
US20090250686 METHOD FOR FABRICATION OF SEMIPOLAR (Al, In, Ga, B)N BASED LIGHT EMITTING DIODES  
A yellow Light Emitting Diode (LED) with a peak emission wavelength in the range 560-580 nm is disclosed. The LED is grown on one or more III-nitride-based semipolar planes and an active layer of...
US20100301308 PHOTODETECTORS  
Implementations of quantum well photodetectors are provided. In one embodiment, a quantum structure includes a first barrier layer, a well layer located on the first barrier layer, and a second...
US20120006390 Nano-wire solar cell or detector  
Solar cells or photodetectors having one or more single-crystal shell layers conformally deposited on Ge nano-wires are provided. This approach can provide higher efficiency and/or reduced material...
US20060163556 Refractive index variable device  
A refractive index variable device has a structure including quantum dots dispersed in a solid matrix, each of the quantum dots comprising a combination of a negatively charged accepter and a...
US20120007046 CARBON NANOTUBE HYBRID PHOTOVOLTAICS  
Systems, methods and devices for the efficient photocurrent generation in single- or multi-walled carbon nanotubes, which includes (SWNTs)/poly [3-hexylthiophene-2,5-diyl] (P3HT) hybrid...
US20110121264 COMPOSITE STRUCTURE OF GRAPHENE AND NANOSTRUCTURE AND METHOD OF MANUFACTURING THE SAME  
A composite structure includes; graphene and at least one substantially one-dimensional nanostructure disposed on the graphene.
US20090230382 III-V semiconductor core-heteroshell nanocrystals  
The present invention provides a core/multishell semiconductor nanocrystal comprising a core and multiple shells, which exhibits a type-I band offset and high photoluminescence quantum yield...
US20060284163 Single ELOG growth transverse p-n junction nitride semiconductor laser  
A vertical quantum well nitride laser-can be fabricated by ELOG (epitaxial lateral overgrowth), with the vertical quantum wells created by deposition over the vertical a-face of the laterally...
US20110204329 NON-POLAR (Al,B,In,Ga)N QUANTUM WELL AND HETEROSTRUCTURE MATERIALS AND DEVICES  
A method for forming non-polar (Al,B,In,Ga)N quantum well and heterostructure materials and devices. Non-polar (11 20) a-plane GaN layers are grown on an r-plane (1 102) sapphire substrate using...
US20100051905 MOISTURE DETECTOR, BIOLOGICAL BODY MOISTURE DETECTOR, NATURAL PRODUCT MOISTURE DETECTOR, AND PRODUCT/MATERIAL MOISTURE DETECTOR  
A moisture detector includes a light-receiving element including an absorption layer having a pn-junction, or an array of the light-receiving elements, wherein the absorption layer has a...
US20100224858 LATERAL THERMAL DISSIPATION LED AND FABRICATION METHOD THEREOF  
A lateral thermal dissipation LED and a fabrication method thereof are provided. The lateral thermal dissipation LED utilizes a patterned metal layer and a lateral heat spreading layer to transfer...
US20100108986 METHOD FOR THE PRODUCTION OF QUANTUM DOTS EMBEDDED IN A MATRIX, AND QUANTUM DOTS EMBEDDED IN A MATRIX PRODUCED USING THE METHOD  
A method for producing quantum dots embedded in a matrix on a substrate includes the steps of: depositing a precursor on the substrate, the precursor including at least one first metal or a metal...
US20100295017 LIGHT EMITTING DIODE ELEMENT AND METHOD FOR FABRICATING THE SAME  
The present invention discloses a light emitting diode (LED) element and a method for fabricating the same, which can promote light extraction efficiency of LED, wherein a substrate is etched to...
US20110147712 QUANTUM WELL TRANSISTORS WITH REMOTE COUNTER DOPING  
A quantum well device and a method for manufacturing the same are disclosed. In an embodiment, a quantum well structure comprises a quantum well region overlying a substrate and a remote counter...
US20080035911 Efficient construction of quantum computatitonal clusters  
A method of creating two-dimensional quantum computational cluster states is demonstrated that is considerably more efficient than previously proposed approaches. The method uses local unitaries...
US20110315958 HIGH OPERATING TEMPERATURE SPLIT-OFF BAND INFRARED DETECTOR WITH DOUBLE AND/OR GRADED BARRIER  
A high operating temperature split-off band infrared (SPIP) detector having a double and/or graded barrier on either side of the emitter is provided. The photodetector may include a first and...
US20100009338 Novel gold nanostructures and methods of use  
The invention is drawn to novel nanostructures comprising hollow nanospheres and nanotubes for use as chemical sensors, conduits for fluids, and electronic conductors. The nanostructures can be...
US20110001125 PHOTODETECTOR CAPABLE OF DETECTING LONG WAVELENGTH RADIATION  
Apparatuses capable of and techniques for detecting long wavelength radiation are provided.
US20090090902 OPTICAL DEVICES USING A PENTERNARY III-V MATERIAL SYSTEM  
The invention relates to the design and processing of a semiconductor optical device. The device is formed of at least four layers of III-V compounds in which one consists of the penternary...
US20070034858 Light-emitting diodes with quantum dots  
An apparatus includes a light-emitting diode. The light-emitting diode has a semiconductor matrix of one or more group III-nitride alloys and quantum dots dispersed inside the matrix. The quantum...
US20110001124 PHOTODETECTOR CAPABLE OF DETECTING THE VISIBLE LIGHT SPECTRUM  
Apparatuses capable of and techniques for detecting the visible light spectrum are provided.
US20050211970 Metal nano-objects, formed on semiconductor surfaces, and method for making said nano-objects  
Metallic nano-objects, formed on surfaces of semiconductors, and a process for manufacturing these nano-objects. The invention is applicable in nano-electronics and for example provides a means of...
US20060124918 Polychromatic LED's and related semiconductor devices  
A semiconductor device is provided comprising a first potential well located within a pn junction and a second potential well not located within a pn junction. The potential wells may be quantum...
US20080157057 Nanostructure Having a Nitride-Based Quantum Well and Light Emitting Diode Employing the Same  
Disclosed are a nanostructure with an indium gallium nitride quantum well and a light emitting diode employing the same. The light emitting diode comprises a substrate, a transparent electrode and...
US20080116368 Luminous Body, Electron Beam Detector Using the Same, Scanning Electron Microscope, and Mass Analysis Device  
A light-emitting body of rapid speed of response and high light emission intensity, and an electron beam detector, scanning electron microscope and mass spectroscope using this are provided. In the...
US20100320443 ER Doped III-Nitride Materials And Devices Synthesized by MOCVD  
This disclosure relates to the synthesis of Er doped GaN epilayers by in-situ doping by metal-organic chemical vapor deposition (MOCVD). In an embodiment, both above and below bandgap excitation...
US20090267051 Method of preparing quantum dot-inorganic matrix composites  
A method for preparing a quantum dot-inorganic matrix composite includes preparing an inorganic matrix precursor solution containing one or more quantum dot precursors, spin-coating the precursor...
US20110204328 NITRIDE BASED DEVICES INCLUDING A SYMMETRICAL QUANTUM WELL ACTIVE LAYER HAVING A CENTRAL LOW BANDGAP DELTA-LAYER  
A symmetrical quantum well active layer provides enhanced internal quantum efficiency. The quantum well active layer includes an inner (central) layer and a pair of outer layers sandwiching the...
US20050077509 Size regulating systems  
A system for regulating the particles distribution energy dependent parameter. The particles may have a cell containing the particles, a sensor to detect the particles distribution, a source to...
US20060157686 Quantum dot phosphor for light emitting diode and method of preparing the same  
Disclosed herein is a quantum dot phosphor for light emitting diodes, which includes quantum dots and a solid substrate on which the quantum dots are supported. Also, a method of preparing the...
US20100015526 Molecular Heterostructures for Energy Conversion and Storage  
The present invention provides for a metal-molecule heterostructure comprising (a) a plurality of metal, semimetallic or semiconducting nanoparticles, and (b) a plurality of electrically conductive...
US20090302307 LED Semiconductor Body  
An LED semiconductor body includes a semiconductor layer sequence which comprises a quantum structure which is intended to produce radiation and comprises at least one quantum layer and at least...
US20100219396 Mechanism for Forming a Remote Delta Doping Layer of a Quantum Well Structure  
A method of fabricating a quantum well device includes forming a diffusion barrier on sides of a delta layer of a quantum well to confine dopants to the quantum well.
US20060274803 Quantum well structure  
A quantum well structure according to the invention includes a quantum well layer (107) arranged between two barrier layers (109, 112). It is distinguished in that at least one of the barrier...
US20080237573 Mechanism for forming a remote delta doping layer of a quantum well structure  
A method of fabricating a quantum well device includes forming a diffusion barrier on sides of a delta layer of a quantum well to confine dopants to the quantum well.
US20090283749 QUANTUM-WELL PHOTOELECTRIC DEVICE ASSEMBLED FROM NANOMEMBRANES  
A quantum-well photoelectric device, such as a quantum cascade laser, is constructed of monocrystalline nanoscale membranes physically removed from a substrate and mechanically assembled into a stack.
US20100283037 CORE-SHELL QUANTUM DOT FLUORESCENT FINE PARTICLES  
Disclosed is an ultraviolet fluorescent material having high light emission efficiency, wherein the peak wavelength of ultraviolet light to be emitted can be controlled by having a quantum dot...
US20120061647 INFRARED LIGHT DETECTOR  
Provided is an infrared light detector 100 wherein a light coupling mechanism 110 is configured by a metal thin film or metal thin plate in which a plurality of windows apart from each other are...
US20100006820 SILICA NANOWIRE COMPRISING SILICON NANODOTS AND METHOD OF PREPARING THE SAME  
Provided are a silica nanowire that includes silicon nanodots and a method of preparing the same. The silica nanowire has excellent capacitance characteristics and improved light absorption...
US20110133160 NANOWIRE STRUCTURED PHOTODIODE WITH A SURROUNDING EPITAXIALLY GROWN P OR N LAYER  
An embodiment relates to a device comprising a substrate, a nanowire and a doped epitaxial layer surrounding the nanowire, wherein the nanowire is configured to be both a channel to transmit...
US20120018699 METHOD OF ZINC OXIDE FILM GROWN ON THE EPITAXIAL LATERAL OVERGROWTH GALLIUM NITRIDE TEMPLATE  
A growth method is proposed for high quality zinc oxide comprising the following steps: (1) growing a gallium nitride layer on a sapphire substrate around a temperature of 1000° C.; (2) patterning ...
US20090161711 Nitride semiconductor laser diode  
A nitride semiconductor laser diode has a quantum well layer consisting of a mixed crystal of Alx1Iny1Ga1-x1-y1N (x1≧0.5, y1≧0 and 1−x1−y1≦0.5) in a group III nitride semiconductor multilaye...
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