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Match Document Document Title
9036239 Massive electrooptical cell having a fine structure and based on materials with giant electrooptical coefficients, its method of fabrication  
Electrooptical cell, including, on a substrate (1), a layer of ferroelectric massive material (4), with an electrode (2) forming an earth plane, provided between the substrate (1) and the...
9036243 Digital drive signals for analog MEMS ribbon arrays  
On/off digital drive signals are used to create arbitrary spatial and temporal ribbon movement patterns in MEMS ribbon arrays.
9019612 WSS using multiple technology switching elements  
A wavelength selective switch for selectively switching optical wavelength components of an optical signal uses both LCoS and MEMs switching technologies to improve device performance. Specific...
9007675 Optical modulation device and optical modulation method  
In an optical modulation device, a first drive signal and a first bias signal are applied to a phase modulation unit, a second drive signal and a second bias signal are applied to a phase...
9001411 Light control device and light control method  
A light control device 1 includes a light source 10, a prism 20, a spatial light modulator 30, a drive unit 31, a control unit 32, a lens 41, an aperture 42, and a lens 43. The spatial light...
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...
8983241 Optical waveguide switch  
Techniques are described to form an optical waveguide switch that could reach a very high extinction ratio. In particular, this disclosure describes an asymmetric MZI, in which different waveguide...
8970935 High energy fiber laser modulator  
A laser device includes a seed laser, a polarizer, a pseudorandom bit sequence (PRBS) pattern generator, and a phase modulator. The polarizer may be optically coupled to receive an output of the...
8937759 Optical processing  
A modular routing node includes a single input port and a plurality of output ports. The modular routing node is arranged to produce a plurality of different deflections and uses small adjustments...
8879921 Apparatus and a method for modulation of an optical signal  
The invention relates to an apparatus and a method for modulation of an optical signal with a data signal, said apparatus (6) comprising a configurable digital encoding unit (8) encoding data of...
8848278 Asymmetrical deformable diffractive grating modulator  
A system for modulating light using a micro-electro-mechanical structure includes a plurality of deformable mirror elements (30) having an L-shaped cross section. Each of the deformable mirror...
8848276 Optical-path conversion device and imaging apparatus  
An optical-path conversion device includes: a plate-shaped phase modulation mask in which a plurality of phase modulation parts are discretely formed for providing phase modulation to light...
8837033 Nested loop coherent beam combining system  
A nested loop system for combining coherent laser beams, The system includes multiple laser amplifiers each configured for emitting one of the laser beams, an output beam splitter configured for...
8797638 Wavelength selective optical switch device and method of controlling characteristics thereof  
A wavelength selective optical switch device includes an incidence and exit part where a signal beam made of light of a multiplicity of wavelengths enters and a signal beam of a selected...
8786862 Spectral optical coherence tomography  
The invention relates to an apparatus for generating a scannable optical delay for a beam of light and an apparatus for Fourier domain optical coherence tomography having said apparatus for...
8743448 Method and apparatus for determining bias point of modulator  
The disclosure discloses a method and an apparatus for determining a bias point of a modulator, wherein the method includes: adding pilot signals to the bias voltages of the modulator; adjusting...
8731344 Method for manufacturing semiconductor optical modulator and semiconductor optical modulator  
A method for manufacturing a semiconductor optical modulator includes forming a p-type semiconductor layer on a main surface of a p-type semiconductor substrate; forming a pair of stripe-shaped...
8730582 Microscope apparatus  
A microscope apparatus includes a laser beam source for emitting a laser beam, an objective lens for irradiating a sample with the laser beam, a phase-modulating spatial light modulator placed...
8665508 Method and system for encoding multi-level pulse amplitude modulated signals using integrated optoelectronic devices  
Methods and systems for encoding multi-level pulse amplitude modulated signals using integrated optoelectronics are disclosed and may include generating a multi-level, amplitude-modulated optical...
8649688 Radio frequency drive level control system and method for an electro-optic phase modulator  
The present disclosure provides Radio Frequency (RF) drive level control systems and methods for an Electro-Optic (EO) M-ary Phase-Shift Keying (M-PSK) phase modulator. Specifically, an M-PSK...
8625936 Advanced modulation formats using optical modulators  
A system, e.g. an optical modulator, includes an optical waveguide and a plurality of optical resonators. The optical waveguide is located along a surface of a planar substrate. The plurality of...
8610994 Silicon photonics thermal phase shifter with reduced temperature range  
Optical devices, phased array systems and methods of phase-shifting an input signal are provided. An optical device includes a microresonator and a waveguide for receiving an input optical signal....
8610993 Light control device and light control method  
A light control device 1 includes a light source 10, a prism 20, a spatial light modulator 30, a drive unit 31, a control unit 32, a lens 41, an aperture 42, and a lens 43. The spatial light...
8610995 Occasional calibration phase-difference modulation for sagnac interferometer  
An occasional calibration waveform is used to, first, make an interferometer sensitive to small changes in Sagnac phase difference due to rotating the gyroscope (this is commonly referred to as...
8606114 Alignment of a data signal to an alignment signal  
The present invention provides a method and apparatus for phase aligning two optical signals within an optical transmitter to each other (and, in some embodiments, to a pulse carved optical...
8593531 Imaging device, image processing method, and computer program  
An imaging device includes: a first imaging unit which does not include a phase difference detecting pixel on an imaging element; a second imaging unit which includes a phase difference detecting...
8574468 Benzo-fused heterocyclic chromophores for nonlinear optical devices  
A benzo-fused-heterocyclic elongated dye having a superior molecular hyperpolarizability and yet having an acceptably-low optical absorbance of light near 1550 nm in wavelength, which is an...
8574467 Benzo-fused heterocyclic chromophores for nonlinear optical devices  
A benzo-fused-heterocyclic elongated dye having a superior molecular hyperpolarizability and yet having an acceptably-low optical absorbance of light near 1550 nm in wavelength, which is an...
8564872 Microstructure optical phase shifting film and lens  
The present invention discloses a microstructure optical phase shifting film and lens. The optical phase shifting film is an integrated structure which includes a light-phase-shifting-film base...
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...
8520306 Apparatus for combining laser radiation  
Apparatus for combining laser radiation (1) 5 which apparatus comprises a seed laser (2), a splitter (3), a plurality of amplifier chains (4), a reference amplifier chain (7), detection means (5)....
8521036 Code grouping for optical networks  
The invention is directed to code labeling in an optical network. The network includes a transmitting station operable to transmit an optical signal. The network also includes an encoder coupled...
8493647 Compensation method, optical modulation system, and optical demodulation system  
An optical modulation system has a function to compensate an operating point drift, which occurs in an MZ optical modulator, by carrying out feedback control with use of a low frequency signal. A...
8483576 Driving method and driving apparatus for optical modulator, and optical transmitter using same  
A driving apparatus supplies a drive signal to an optical modulator corresponding to a phase modulation format, and also, divides a part of an output light from the optical modulator; extracts...
8463081 Optical phase modulator  
An optical phase modulator having a reduced time drift of an electro-optical response is disclosed. An optical waveguide exhibiting the electro-optic effect includes two serially coupled portions...
8456730 Directly modulated spatial light modulator  
A directly modulated spatial light modulator (DM-SLM) may be formed using a semiconductor optical amplifier. The directly modulated spatial light modulator may also be formed with a vertical...
8441709 Light control device and light control method  
A light control device 1 includes a light source 10, a prism 20, a spatial light modulator 30, a drive unit 31, a control unit 32, a lens 41, an aperture 42, and a lens 43. The spatial light...
8437068 Optical modulator  
The optical modulator includes an optical waveguide element in which a first waveguide is formed obliquely to an outgoing end surface, and a second waveguide is formed obliquely to both the first...
8427725 Light modulating device  
The present invention relates to a light modulating device, comprising a SLM and a pixelated optical element, in which a group of at least two adjacent pixels of the SLM in combination with a...
8422112 Display system  
A display system 1 is composed of a ghost image reducing device 100 and an image device 10. The ghost image reducing device 100 comprises an image reflecting element 110 and a polarizing element...
8411349 Optical modulator  
An optical modulator includes an optical modulation substrate, an electrical length adjusting substrate, a package containing the substrates, and a plurality of input ports for inputting high...
8400702 Optical modulation device and optical modulation method  
According to an aspect of an embodiment, an optical modulation device includes a Mach-Zehnder modulator and a controller. The Mach-Zehnder modulator is supplied a drive signal and a bias voltage....
8392199 Clipping detection device and method  
A clipping detection device calculates an amplitude distribution of an input signal for each predetermined period, calculates a deflection degree of the distribution on the basis of the calculated...
8391724 Optical modulator, optical transmission device, and bias adjusting method  
Included are a first modulator, a second modulator, a first optical amplifier that amplifies an output of the first modulator at an amplification factor based on a first bias signal, a second...
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...
8373921 Methods and systems for modulating and demodulating millimeter-wave signals  
A system comprises an optical processor comprising a sideband generator, an optical filter, and a phase-shift-keying (PSK) modulator, wherein: the sideband generator generates optical frequency...
8368994 Scanned, one-dimensional, phased-array display system  
A scanned, one-dimensional, phased-array display system combines imaging optics on one axis with Fourier transform optics on another. The display offers the energy efficiency and fault tolerance...
8368995 Method and system for hybrid integration of an opto-electronic integrated circuit  
An opto-electronic integrated circuit (OEIC) includes an SOI substrate, a set of composite optical transmitters, a set of composite optical receivers, and control electronics disposed in the...
8335033 Optical processing  
A modular routing node includes a single input port and a plurality of output ports. The modular routing node is arranged to produce a plurality of different deflections and uses small adjustments...
8331798 Optical m-ary modulator  
An optical m-ary modulator includes an optical loop forming a polarization maintaining closed optical path. A loop input-output unit splits linearly polarized input signal light into a first...

Matches 1 - 50 out of 389 1 2 3 4 5 6 7 8 >