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8989600 Modulating apparatus  
A modulating apparatus includes a branch that branches input light; a first modulating unit that modulates the phase of a first branch obtained by the branch; a second modulating unit that...
8978237 Method to assemble optical devices with optically interfering device  
A method to align an optical device optically with an interference device is disclosed. The method includes steps of: selecting one of arm waveguides, biasing rest of arm waveguides to cause...
8948546 Optical frequency shifter and optical modulator using the same  
An object of the present invention is to provide a temperature-independent optical frequency shifter for generating sub-carriers with a miniaturizable configuration, as well as to provide an...
8929745 Optical transmission apparatus  
A first clock modulator branches a light beam, varies a phase difference of the resulting light beams according to a first clock, and causes interference of the light beams. A second clock...
8919650 Optical device  
An optical device has a tube including a tube wall defining a viewing bore. A light source is in communication with the viewing bore for illuminating an aim point visible in the viewing bore. A...
8900897 Material with tunable index of refraction  
Devices are described including a component comprising an alloy of AlN and AlSb. The component has an index of refraction substantially the same as that of a semiconductor in the optoelectronic...
8824036 Apparatus and methods for wide temperature range operation of micrometer-scale silicon electro-optic modulators  
A thermally stabilized, high speed, micrometer-scale silicon electro-optic modulator is provided. Methods for maintaining desired temperatures in electro-optic modulators are also provided. The...
8818205 Digital modulation method and device, especially an optical digital modulation method and device  
A modulation method, especially an optical modulation method, using the principle of discrete IQ modulation. The modulation method includes generating a carrier signal (Sc) and splitting the...
8804226 Unit of optical modulator, optical modulator including the same, and method of fabricating the optical modulator  
An optical modulator unit, an optical modulator, and a method of fabricating are provided. The optical modulator unit includes a first contact layer transmitting infrared rays, a lower reflection...
8792792 Light source, optical signal generator, and electrical signal generator  
[PROBLEM] Providing an optical source that outputs optical frequency modulated light having a constant output optical intensity. [MEANS FOR SOLVING THE PROBLEM] Provided is a light source...
8712252 Optical signal output apparatus, electrical signal output apparatus, and test apparatus  
To efficiently apply jitter to an optical signal using a simple configuration, provided is an optical signal output apparatus that outputs an optical pulse pattern signal including jitter, the...
8675272 Optical modulator, methods of manufacturing and operating the same and optical apparatus including the optical modulator  
An optical modulator, methods of manufacturing and operating the same, and an optical apparatus including the optical modulator are disclosed. The optical modulator includes an electro-optical...
8565614 Spectrally efficient digital data transmission utilizing phase encoded MMW  
A digital data transmission device is provided comprising optical waveguide architecture, a sideband generator, a modulation controller, an optical filter, a data mapping unit, and a phase...
8503057 Electrically-tunable optical devices  
A device comprising: two mutually immiscible conductive liquids arranged to form an interface therebetween; a plurality of nanoparticles localised at the said interface, the said nanoparticles...
8492863 Optical modulator  
Optical modulator having wide bandwidth based on Fabry-Perot resonant reflection is disclosed. The optical modulator includes: a bottom Distributed Bragg Reflector (DBR) layer; a top DBR layer...
8432599 Optical image modulator and method of manufacturing the same  
An optical image modulator and a method of manufacturing the same. The optical image modulator includes a substrate, an N electrode contact layer formed on the substrate, a lower distributed Bragg...
8427732 Uncooled optical semiconductor device  
An uncooled optical semiconductor device includes: a semiconductor laser outputting laser light; an electric field absorption optical modulator absorbing light depending on a voltage applied to...
8384980 Semiconductor optical modulation device, Mach-Zehnder interferometer type semiconductor optical modulator, and method for producing semiconductor optical modulation device  
A semiconductor optical modulation device includes a substrate; a first semiconductor cladding layer of a first conductivity type disposed on the substrate; an optical waveguide layer disposed on...
8378465 Method and apparatus for optical modulation  
The present invention is a method and an apparatus for optical modulation, for example for use in optical communications links. In one embodiment, an apparatus for optical modulation includes a...
8349632 Organic light-emitting display device and method of manufacturing the same  
Provided is an organic light-emitting display device that can display a full color image by forming a simple structure of light-emitting layers and a method of manufacturing the same. The organic...
8320037 Electro-optic device  
An electro-optic device is provided. The electro-optic device includes a junction layer disposed between a first conductivity type semiconductor layer and a second conductivity type semiconductor...
8306375 Wavelength-tunable optical transmitter  
A first exemplary aspect of the present invention is a wavelength-tunable optical transmitter including: a semiconductor substrate (101); a wavelength-tunable light source that is formed on the...
8300295 Thin film semiconductor device, electrooptic device, and electronic equipment  
A thin film semiconductor device includes, on a substrate, a thin film transistor of which channel is N-type, and a thin film transistor of which channel is P-type, wherein a source region of the...
8227796 Display device  
A display device includes light emitting elements corresponding to respective colors disposed on a substrate. Each of the light emitting elements corresponding to the respective colors has a...
8218919 Method and device for providing electronic circuitry on a backplate  
A MEMS-based display device is described, wherein an array of interferometric modulators are configured to reflect light through a transparent substrate. The transparent substrate is sealed to a...
8179585 Coupled quantum well structure  
In the production of optical devices or the like utilizing an intersubband transition of a coupled quantum well, a quantum well structure having strong coupling is provided. In addition, a coupled...
8125702 Serial modulation display having binary light modulation stage  
A display has first and second spatial light modulators for modulating light from a light source. The first spatial light modulator has a plurality of elements switchable between ON and OFF states...
8111440 Structure and method for modulating light  
A structure includes a film having a plurality of nanoapertures and a semiconductor layer in connection with the film. The nanoapertures are configured to allow the transmission of a predetermined...
8090229 Method and device for providing electronic circuitry on a backplate  
A MEMS-based display device is described, wherein an array of interferometric modulators are configured to reflect light through a transparent substrate. The transparent substrate is sealed to a...
8089677 Dynamic optical grating device and associated method for modulating light  
A dynamic optical grating device and associated method for modulating light is provided that is capable of controlling the spectral properties and propagation of light without moving mechanical...
8063463 Solid state image wavelength converter  
A method for encoding information that is encoded in spatial variations of the intensity of light characterized by a first wavelength in light characterized by a second wavelength, the method...
8026440 Passively cooled, high concentration photovoltaic solar cell package  
The solar cell modular unit has a minimal number of components each of which are easily manufactured and which also have a relatively economical cost. It has a laminar substrate having an...
8002412 Projection system employing semiconductor diode  
A projection system includes a light source module illuminating a plurality of monochromic lights, at least one optical modulator modulating the lights illuminated by the light source module...
7969639 Optical modulator  
A micro-opto-electro-mechanical systems (MOEMS) electro optical modulator (2) having an electrically tuneable optical resonator comprising an asymmetric Fabry-Perot etalon incorporating a mirror...
7948669 Methods of optimizing spur-free dynamic range or gain in electro-absorption modulators  
Exemplary methods of maximizing a spur-free dynamic range (SFDR) or a gain of an electro-absorption modulator (EAM) are disclosed. At least one parameter in a set of design parameters for an EAM...
7933476 Method and device for providing electronic circuitry on a backplate  
A MEMS-based display device is described, wherein an array of interferometric modulators are configured to reflect light through a transparent substrate. The transparent substrate is sealed to a...
7924492 Optical device including gate insulating layer having edge effect  
Provided is an optical device having an edge effect with improved phase shift and propagation loss of light without decreasing the dynamic characteristics of the optical device. The optical device...
7907848 Semiconductor photonoic nano communication link method  
An optical signal low energy method for coupling electrical signals on-chip between component circuits of for example a CMOS circuit array. The described coupling method employs infrared signals...
7864396 Vertical cavity multiple quantum well device with simultaneous modulation and photodetection capability  
A vertical cavity modulator/detector (VCMD) device and a method for modulating and detecting light are disclosed. The VCMD device contains an n-type contact layer, a transparent tuning layer, a...
7830580 Semiconductor optical modulator  
An optical modulator is provided with a stripe-shaped optical waveguide, which has an upper clad layer, a lower clad layer formed between the upper clad layer and a substrate, and an undoped core...
7772615 Anti stark electrooptic medium and electrooptically modulated optoelectronic device based thereupon  
Semiconductor electrooptic medium shows behavior different from a medium based on quantum confined Stark Effect. A preferred embodiment has a type-II heterojunction, selected such, that, in zero...
7720391 System and method for generating optical return-to-zero signals with alternating bi-phase shift  
A system and method for generating an optical return-to-zero signal. The system includes a bit separator configured to receive an electrical non-return-to-zero signal and generate a first signal...
7711214 Semiconductor optical modulator  
There is provided a semiconductor optical modulator capable of performing a stable operation and having an excellent voltage-current characteristic to an electric field while exhibiting the...
7701629 Photonic device including semiconductor structure having doped region with array of subwavelengh recesses  
Various aspects of the present invention are directed to photonic devices, such as electro-optic modulators, passive filters, and tunable filters. In one aspect of the present invention, a...
7693363 Plasmostor: a-metal-oxide-si field effect plasmonic modulator  
The invention is a system and method for performing all-optical modulation. A semiconductor layer having a defined thickness has an insulator adjacent one surface of the semiconductor. Conductive...
7679805 Flip chip quantum well modulator  
A quantum well modulator configured to absorb or transmit light depending on an applied voltage is provided according to various embodiments. The quantum well modulator may include a substrate, a...
7672034 Method for manufacturing optical modulator, optical modulator, and optical modulation system  
A manufacturing method is provided for a light modulation device that improves utilization efficiency of light. After forming a first reflective layer using a metallic material such as Pt or the...
7668415 Method and device for providing electronic circuitry on a backplate  
A MEMS-based display device is described, wherein an array of interferometric modulators are configured to reflect light through a transparent substrate. The transparent substrate is sealed to a...
7599628 Method for modulating an optical signal and optical transmitter  
A method for modulating an optical signal includes the following steps: modulating the intensity of the optical signal with a nonreturn-to-zero bit signal, and modulating the phase of the optical...
7589880 Apparatus and methods for manipulating light using nanoscale cometal structures  
An apparatus and methods for manipulating light using nanoscale cometal structures are disclosed. A nanoscale optics apparatus for manipulating light includes a plurality of nanoscale cometal...

Matches 1 - 50 out of 361 1 2 3 4 5 6 7 8 >