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8179931 Wavelength tunable filter and wavelength tunable laser module  
A wavelength tunable filter and a wavelength tunable laser module are a codirectional coupler type whose characteristics do not vary significantly with a process error. They are structured so as to...
8098971 Method and apparatus for electromagnetic resonance using negative index material  
An electromagnetic resonance device includes an input reflector, an output reflector, and a periodic dielectric medium (PDM) disposed between the input reflector and the output reflector. The input...
8090233 Microstructuring optical wave guide devices with femtosecond optical pulses  
The present invention is directed to the creation of optical waveguiding devices from standard optical fibers by the creation of zones of permanently altered refractive index characteristics...
8086078 Electronic device  
An electronic device in which a signal electrode has a bent portion. Earth electrodes are formed with the signal electrode between. A width of a gap at the bent portion between the signal electrode...
8081851 Electrooptical high-index contrast waveguide component  
A high-index contrast waveguide component is presented, which is based on the fast changing of the transmission properties of an optical waveguide by applying electric voltages, or by embossing...
8019185 Unit-cell array optical signal processor  
This invention provides a versatile unit cell as well as programmable and reconfigurable optical signal processors (such as optical-domain RF filters) that are constructed from arrays of those unit...
8009937 Charge-based memory cell for optical resonator tuning  
An optical resonator configured to be tuned using a charge-based memory cell includes an optical cavity configured to transmit light and receive injected charge carriers; a charge-based memory cell...
7995891 Photonic band gap router  
An arrangement includes a photonic band-gap assembly comprising at least one input wave guide and at least one output wave guides, and at least one routing element responsive to signals to...
7986452 High-speed multiplied signal generating method and device  
It is an object of the present invention to provide an apparatus that can obtain a multiplied harmonic signal fast and with ease, and the method using the apparatus. The object is attained by the...
7983514 Photonic band gap router  
An arrangement includes a photonic band-gap assembly comprising at least one input wave guide and at least one output wave guides, and at least one routing element responsive to signals to...
7949210 Silicon-compatible surface plasmon optical elements  
This invention provides fundamental science and novel device architectures for surface plasmon (SP)-based, complementary metal oxide semiconductor (CMOS)-compatible, optical elements such as...
7933483 Electro-optical memory cell  
An electro-optical memory cell having a non-volatile programmable refractive index and a method of making. The memory cell includes: a waveguiding structure having a transition metal oxide with...
7894699 Photonic based interconnects for interconnecting multiple integrated circuits  
Various embodiments of the present invention are directed to photonic-based interconnects for transmitting data encoded in electromagnetic signals between electronic mosaics. In one embodiment of...
7873329 Transceiver having mixer/filter within receiving/transmitting cavity  
A transceiver capable of processing signals having wavelengths of less than 1 millimeter and/or more than 1 millimeter comprising a mixer/filter circuit coupled to an IF filter where said...
7840099 Ultrafast Ge/Si resonator-based modulators for optical data communications in silicon photonics  
An optical modulator structure includes at least two waveguide structures for inputting and outputting an optical signal. At least one ring resonator structure provides coupling between the at...
7826688 Enhancing the sensitivity of resonant optical modulating and switching devices  
Embodiments of the inventions described herein comprise a device and method for manipulating an optical beam. The method comprises propagating an optical beam through a waveguide in proximity to a...
7817879 Optical waveguide device  
An optical waveguide device including a dielectric substrate and a folded waveguide formed on the substrate, including a first waveguide and a second waveguide, one part of the first waveguide...
7809216 Bi-directional signal interface and apparatus using same  
A signal interface includes a dual-drive device having a first and a second input port that receive an outgoing signal. One of the first and the second input ports also receive an incoming signal....
7729575 Plasmon router  
A variety of structures, methods, systems, and configuration scan support plasmons for routing.
7724999 Electro-optical device  
An electro-optical device having a non-volatile programmable refractive index. The device includes: a waveguiding structure with waveguiding material, the waveguiding structure defining an optical...
7720319 Regression and erosion measurement system and method  
A method and system for determining the length of collocated waveguides in a high erosion environment, such as a solid rocket motor or a braking system. The system provides for mating optical...
7705290 Multi-channel fiber relays for high energy laser delivery to multi-beam optical sensors  
A multi-beam LADAR apparatus and a method for use in a multi-beam LADAR system are disclosed. The apparatus includes a plurality of mission specific optics; a gimbal in which the mission specific...
7697793 Silicon modulator offset tuning arrangement  
A silicon-based optical modulator structure includes one or more separate localized heating elements for changing the refractive index of an associated portion of the structure and thereby...
7657131 Systems and methods for integrated optical circuitry for high data rate optical transmission and reception  
Embodiments include systems and methods for integrated circuitry optical modulation. In one embodiment, an integrated circuit comprises an optical waveguide enabling multi-level modulation. The...
7657129 Optical focal plane data coupler  
Systems are disclosed that utilize electrical signals from detectors of an imaging focal plane array or antenna elements of an antenna array to modulate optical signals. Antenna or focal plane...
7639900 Photonic band gap router  
An arrangement includes a photonic band-gap assembly comprising at least one input wave guide and at least one output wave guides, and at least one routing element responsive to signals to...
7620284 Optical waveform shaping device including portions for respectively absorbing and amplifying transmitted optical signal  
An optical waveform shaping device includes a first waveguide portion, formed on a substrate, for transmitting the optical signal and simultaneously absorbing a portion of the optical signal, which...
7616843 Optical functional device and fabrication process of the same  
Arranged for at least one of a pair of branch optical waveguides in a Mach-Zehnder type interference optical system is a ring resonance type phase shifter for modulating a light wave signal...
7583868 3R recovery system  
A full 3R (re-timing, re-shaping, re-amplifying) recovery system is provided. In the full 3R recovery system, a self-pulsating laser diode (SP-LD) and an electroabsorption modulator (EAM) are...
7580594 Optical modulation element and optical modulation device having the same  
An optical modulation element includes a waveguide defined based on a defect in a photonic crystal, a carrier conducting region for conducting a carrier to the waveguide, an electrode for injecting...
7570849 Integrated circuit device having optically coupled layers  
In an integrated circuit device comprising a vertical arrangement of integrated circuit layers, coupling of an optical signal between a first integrated circuit layer thereof and a second...
7557980 Optical path switching device  
An optical path switching device is provided. The optical path switching device utilizes the electro-optic effect to apply an electric field on different reflective elements without moving an...
7542633 Plasmon gate  
A variety of structures, methods, systems, and configurations can support plasmons for logic.
7532785 Photonic interconnects for computer system devices  
Various embodiments of the present invention are directed to photonic interconnects that can be used for on-chip as well as off-chip communications between computer system components. In one...
7532776 Optical element and optical switch  
A core layer of an optical waveguide is grown as a film comprised of an electro-optic material with a rhombohedral structure and grown above a substrate with (100) crystal orientation on a major face.
7519240 Multi-section coupler to mitigate guide-guide asymmetry  
A wavelength independent multi-section optical coupler having at least three optical couplers, and at least two differential phase cells. Each optical coupler has two waveguides forming a coupling...
7515774 Methods and apparatus for single fiber optical telemetry  
Single fiber optical telemetry systems and methods are disclosed. The methods and systems facilitate input and output via a single fiber optic interface. The optical telemetry systems and methods...
7505649 Plasmon router  
A variety of structures, methods, systems, and configurations can support plasmons for routing.
7499604 Optically coupled resonant pressure sensor and process  
A process for fabricating an optically coupled resonant pressure sensor includes the steps of forming a sensor die including at least one optically coupled resonator from a first semiconductor...
7489836 Optical interconnect system for high speed microprocessor input/output (IO)  
A microchip includes optical layers with integrated waveguides and modulators. A continuous wave light beam coupled to incoming waveguide(s) is modulated and transmitted off-chip by outgoing...
7474812 Monitor photodetector equipped optical modulator  
An optical modulator has, on a substrate having electro-optic effect, an optical waveguide including an input optical waveguide, two branching optical waveguides which branch a light beam incident...
7450788 Optical splitter/coupler and optical communication system  
An optical splitter/coupler has: a multimode waveguide having an electrooptic effect, and propagating light in a multimode; one incident waveguide propagating light in a single mode, and inputting...
7447395 Silicon modulator offset tuning arrangement  
A silicon-based optical modulator structure includes one or more separate localized heating elements for changing the refractive index of an associated portion of the structure and thereby...
7440643 Variable light controlling device and variable light controlling method  
A variable light controlling device comprising a substrate, an optical waveguide disposed on the substrate, a first heater and a second heater to change the optical waveguide's temperature is...
7434940 Light coupling system and method  
A light coupling system includes a waveguide, configured to receive light from at least two light sources and to internally reflect light therein; a diffraction grating, disposed upon the...
7428348 Electro-optical switching using coupled photonic crystal waveguides  
An electro-optical switch implemented in coupled photonic crystal waveguides is disclosed. The switch is proposed and analyzed using both a finite-difference time-domain (“FDTD”) method and a pla...
7426326 Low loss bridge electrode with rounded corners for electro-optic modulators  
An electro-optic modulator having a substrate, one or more optical waveguides, at least one active electrode formed on the substrate and aligned over the optical waveguide, the active electrode...
7400788 Linearized optical modulator having a plurality of coupling functions  
Invention discloses an apparatus that provides linear optical modulation of light carrier signals by an electrical modulation signal. Linearized modulation is achieved through the selection of a...
7382942 Optical waveguide devices  
It is provided an optical waveguide device in which the radius of curvature of a curved part of an optical waveguide can be lowered and the radiation loss of light in the curved part can be...
7379672 Photonic RF distribution system  
The present photonic RF generation and distribution system provides a system and method for distributing an RF output signal. The photonic RF distribution system includes two optical sources for...
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