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7606501 |
System and method for generating optical return-to-zero signals with alternating bi-phase shift and frequency chirp
A system and method for generating an optical return-to-zero signal with frequency chirp. The system includes a bit separator configured to receive an electrical non-return-to-zero signal and...
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7606132 |
Cantilever-type near-field probe for optical data storage and method of manufacturing the same
Disclosed are a cantilever-type near-field probe capable of easily improving an optical throughput and being applied to a head of an optical data storage and a method of manufacturing the same. An...
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7605969 |
Interferometric modulation of radiation
An Interferometric Modulator (IMod) is a microelectromechanical device for modulating light using interference. The colors of these devices may be determined in a spatial fashion, and their...
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7603001 |
Method and apparatus for providing back-lighting in an interferometric modulator display device
Methods and apparatus for providing light in an interferometric modulator device are provided. In one embodiment, a microelectromechanical system (MEMS) is provided that includes a transparent...
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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...
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7589885 |
Micromirror array device comprising encapsulated reflective metal layer and method of making the same
The present invention provides an optical micromirror device and their array device and method for making the same. By introducing a sub coating layer and an over coating layer with a high...
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7589884 |
Micromirror array lens with encapsulation of reflective metal layer and method of making the same
The present invention provides a micromirror array device specially Micromirror Array Lens device structure and method for making the same. By introducing a sub coating layer and an over coating...
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7589515 |
Method for reducing temperature-dependent error in photocurrent sensor, and photocurrent sensor device
[Problem] To permit reduction in the temperature dependence of a sensor, which is ascribable to the temperature dependence of the Verdet constant of a sensor fiber, at a low cost. [Means for...
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7577367 |
Optical communication using duobinary modulation
Optical techniques, devices and systems for combining duobinary modulation and optical subcarrier multiplexing in optical communication applications. An analog mixer is used to mix a duobinary...
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7570410 |
High brightness display systems using multiple spatial light modulators
The display system separates reflected and transmitted light from a color wheel of the display system; and modulates the separated reflected and transmitted light components using separate spatial...
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7570409 |
Radiation modulation by reflection from controlled composite material
Modulation of electromagnetic radiation is described in which an incident radiation beam is directed toward a surface of a composite material and at least partially reflects to form a reflected...
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7567374 |
Deformable mirrors
The invention resides in the innovative use of deposition techniques in deformable mirrors. The use of deposition techniques allows contact pads for electrodes to be located wherever convenient....
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7567368 |
Systems and methods for minimizing scattered light in multi-SLM maskless lithography
The present invention is directed to a lithography system in which scattered light from a pattern generator, having one or more pattern generating devices, is blocked from an object, such as a...
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7561810 |
Optical communication apparatus
An optical communication apparatus for controlling the operating point of an optical modulation unit appropriately. An adding unit adds a bias voltage and a pilot signal. An optical modulation unit...
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7561806 |
Method and system for keeping timing alignment between driving signals in optical double modulation
A method and system is disclosed for making timing alignment for a data transmission system, the method comprising providing a reference clock signal with a first frequency to a multiplexer through...
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7557977 |
Laser pulse generator
A laser pulse generator utilizes an optical modulator to generate wave pulses having customized temporally shaped pulses. A continuous wavelength laser source inserts optical energy into an optical...
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7555226 |
Automatic bias control for an optical modulator
An automatic bias controller for an optical modulator is provided. The automatic bias controller comprises a driver for providing an electrical data signal to the modulator and a bias voltage...
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7548172 |
Communication system for vehicle, vehicle, and communication device for vehicle
The present invention is directed to vehicle communication equipment capable of transferring information using light without adding new light emitting means, and further, between a stationary...
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7545549 |
Light modulation device
A first reflecting body, which has semi-transmissive semi-reflective characteristics, a light transmissive fine hole body having a plurality of fine holes, which are adapted to be filled with a...
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7542200 |
Agile beam steering mirror for active raster scan error correction
Scan line position error resulting in banding, bow, skew, etc. is corrected by way of an agile beam steering mirror assembly in a ROS printing system and the like. The agile beam steering mirror...
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7542192 |
Adjustable pulse-shaper
An optical pulse-shaper includes a prism, a delay line having positive optical power and a reflective spatial light modulator. In one arrangement the delay line has a selectively variable optical...
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7532381 |
Method of making a light modulating display device and associated transistor circuitry and structures thereof
An Interferometric Modulator (IMod) is a microelectromechanical device for modulating light using interference. The colors of these devices may be determined in a spatial fashion, and their...
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7529018 |
Temperature adaptive optical modulator
The present invention relates to a spatial optical modulator, more specifically to a temperature adaptive optical modulator. The spatial optical modulator according to an aspect of the present...
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7529013 |
Optical modulator module package
An optical modulator module package includes a substrate having a through-hole through which light passes and having a circuit formed on at least one of its inner and outer surfaces; a transparent...
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7522328 |
Thermally controlled spatial light modulator using phase modulation
An apparatus includes a thin-film interference filter structure having a generally wavelength-dependent resonant response to incident optical energy in a predetermined range of wavelengths. The...
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7519249 |
Semiconductor optical modulator
Semiconductor optical modulator devices exhibiting improved chirp characteristics are constructed from a Mach-Zehnder structure having resonators positioned within each arm and a number of phases...
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7515324 |
System and method for resolving reset conflicts in a phased-reset spatial light modulator system
A system for, and method of resolving reset conflicts in a phased-reset SLM system and a projection visual display system incorporating the system or the method. In one embodiment, the system...
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7511870 |
Highly tunable low-impedance capacitive micromechanical resonators, oscillators, and processes relating thereto
Disclosed are capacitive micromechanical resonators optimized for high Q, low motional impedance, and large tuning range. Exemplary resonators were fabricated using a HARPSS-on-SOI process, and...
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7505188 |
Light control device and method for producing the same
A light control device according to the present invention comprises a plurality of optical elements between two transparent plates in each of which a pair of transparent substrates having...
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7499206 |
TIR light valve
A light valve that switches light does so by enabling and disabling total internal reflection (TIR) on a surface of the light valve. The disabling of the TIR is accomplished by putting another...
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7495815 |
Electro-optical modulator
An electro-optical modulator device and method are provided. The device comprises a light modulator unit having a first Cathode for exposing to input light; and an electric field source configured...
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7483597 |
Optical modulator utilizing multi-level signaling
An optical modulator is formed to include a plurality of separate electrodes disposed along one arm, the electrodes having different lengths and driven with different signals to provide for...
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7474460 |
Optical modulation apparatus
An optical modulation apparatus is provided which implements a stable amplifying function by reducing the effect of reflected light rays from end faces of a bidirectional optical amplifier by...
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7474324 |
Printing apparatus using order-separation type optical modulator
Disclosed herein is a printing apparatus using an order-separation type optical modulator. The printing apparatus includes an illumination lens system, a diffraction type optical modulator, a...
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7471442 |
Method and apparatus for low range bit depth enhancements for MEMS display architectures
A light modulator device includes a first electrical conduit, a second electrical conduit electrically isolated from the first conduit, a first display element, and a second display element. The...
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7471439 |
Process of forming a micromechanical system containing an anti-stiction gas-phase lubricant
Embodiments of the present invention generally relate to a process of forming a device that has an improved usable lifetime due to the addition of a gas-phase lubricant that reduces the likelihood...
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7469058 |
Method and system for a maskless lithography rasterization technique based on global optimization
Provided are a method and system for determining states of spatial light modulator (SLM) pixels in a lithography system configured to print a desired pattern. The method includes determining...
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7468827 |
Device for generating adding and subtracting digital sequences of optical pulses and method for secure transmission of information
A device for generating, adding and subtracting digital sequences of optical pulses and a method for the secure transmission of information. An interferometer having at least one electro-optical...
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7463802 |
Integrated circuit for adjusting bias in optical transmitter with external modulator
An integrated circuit microcontroller for use in an optical transmitter that generates a modulated optical signal for transmission over dispersive fiber optic links in which a broadband radio...
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7463275 |
Light source for image writing apparatus and production method for light source
An image forming apparatus includes a light source provided with converting structure for converting an advancing direction of light emitted from the light source, whereby a direction in which the...
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7453579 |
Measurement of the dynamic characteristics of interferometric modulators
Various systems and methods of lighting a display are disclosed. In one embodiment, for example, a method includes applying a voltage waveform to the interferometric modulators, applying a voltage...
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7453475 |
Optical display device, program for controlling the optical display device, and method of controlling the optical display device
Exemplary embodiments of the invention provide an optical display device that modulates light from a light source in two stages through an optical modulator and a luminance adjusting element to...
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7447443 |
Method and system for keeping time alignment between optical data modulation and a periodically modulated light source
A method and system is disclosed for making time alignment for a data transmission system. A first reference clock signal is provided to a first multiplexer coupled to a data modulator through a...
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7446922 |
Interdigitating diffractive light modulator
Disclosed herein is an interdigitation-type diffractive light modulator. In the interdigitation-type diffractive light modulator of the present invention, each of a pair of ribbons has a plurality...
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7445345 |
Optical display device and projection-type display device
A projection-type display device 1 including a light source 10 , an optical integrator 20 , dichroic mirrors 30 and 35 , a reflecting mirror 36 , a relay optical system 40 , parallelizing...
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7444052 |
Display device
A display device includes an illuminating device having an optical waveguide plate for introducing light thereinto, a drive assembly having a planar array of actuators disposed in facing relation...
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7440703 |
High-speed, silicon-based electro-optic modulator with feedback control
An electro-optic modulator arrangement for achieving switching speeds greater than 1 Gb/s utilizes pre-emphasis pulses to accelerate the change in refractive index of the optical waveguide used to...
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7440158 |
Direct optical image projectors
An apparatus includes a reconfigurable spatial light modulator, a light source, and a transmission filter. The reconfigurable spatial light modulator is capable of producing spatially varying...
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7436387 |
Electrooptical device utilizing electrophoresis
An electrooptical device comprises an electrooptical layer between electrodes. The electrooptical layer includes a dispersion medium and particles contained in the dispersion medium. The particles...
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7433564 |
Optical device for optical communication
An optical phase modulator made of lithium niobate or the like phase-modulates the output light of a single-wavelength laser light source 20 that emits CW light, and the phase-modulated light is...
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