Matches 1 - 50 out of 179 1 2 3 4 >


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US20150253510 Integrated Thermo-Optic Switch with Thermally Isolated and Heat Restricting Pillars  
System and method embodiments are provided for a thermo-optic switch with thermally isolated and heat restricting pillars. The embodiments enable increased integration density in photonic...
US20130266257 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...
US20150260921 OPTICAL SWITCHING DEVICE  
An optical switching device including an optical switching engine may be packaged by omitting an optical bench and disposing optical elements directly on a base of a housing of the optical...
US20120121219 OPTICAL-SWITCH DRIVER CIRCUIT, OPTICAL SWITCH, AND OPTICAL CHANGEOVER SWITCH  
An optical-switch driver circuit includes a pulse signal source and a voltage-applying circuit. The pulse signal source generates pulse waves that rise from a first voltage to a second voltage....
US20050084204 Digital dyes based on electrochemical redox reactions  
A digital dye having an optical change resulting from an electrochemical oxidation/reduction reaction is provided for use in a molecular system. The molecular system provides two different colors...
US20110069963 Optoelectronic Switches Using On-chip Optical Waveguides  
Embodiments of the present invention are directed to optoelectronic network switches. In one embodiment, an optoelectronic switch includes a set of roughly parallel input waveguides and a set of...
US20130287397 ELECTRO-OPTICAL SWITCHING FABRIC SYSTEMS AND METHODS  
An optical switch fabric, including: a first set of horizontal optical waveguides receiving a plurality of wavelengths; a plurality of wavelength-selective drop optical switches associated with...
US20150093072 OPTICAL DEVICE WITH HIGH DAMAGE THRESHOLD  
Provided is an optical device having a high damage threshold, the optical device including a coating layer applied to cover a substrate and an optical switch formed of a carbon material and...
US20120141065 OPTICAL WAVEGUIDE COLLIMATOR AND OPTICAL SWITCHING DEVICE  
An optical waveguide collimator includes: an optical waveguide base material which includes a light emitting face having a light emitting end face of an optical waveguide, and an adhering area...
US20140072259 Use of Light Pipes for Illuminations of Optically Activated Solid State Switches  
Techniques are presented for illuminating an optically activated switch. The switch is illuminated from one side with a high reflector on the opposing side. An anti-reflective coating can also be...
US20100024755 OPTICAL DISTRIBUTOR FOR A LASER-BASED IGNITION SYSTEM, AND METHOD FOR THE OPERATION THEREOF  
An optical distributor for the distribution of light, in particular laser light, between at least one optical input and at least one of several optical outputs includes at least one movably...
US20070147730 Optical switch and method for treatment of tissue  
An optical switch incorporated in a photomedical system, and a method of treating tissue using the optical switch for creating pulsed light. A light source generates an optical beam. An aperture...
US20130301983 Dynamic Terahertz Switching Device Comprising Sub-wavelength Corrugated Waveguides and Cavity that Utilizes Resonance and Absorption for Attaining On and Off states  
A terahertz (THz) switch consisting of perfect conductor metamaterials is discussed in this invention. Specifically, we have built a THz logic block by combining two double-sided corrugated...
US20110182545 WAVELENGTH DOMAIN OPTICAL SWITCH  
To provide a waveguide type wavelength domain optical switch which makes it possible to use a cheap lens, makes it possible to correct aberration of the demultiplexed wavelengths produced in a...
US20120195548 BACKPLANES INCLUDING OPTICAL BYPASS SWITCHES, AND RELATED CIRCUIT BOARDS, COMPUTING SYSTEMS, BYPASS SWITCHES, AND METHODS  
A backplane for a computing system may include a connector configured to provide a detachable mechanical coupling with a circuit board, and an optical signal path configured to carry optical...
US20110150388 OPTICAL SWITCH USING MACH-ZEHNDER INTERFEROMETER AND OPTICAL SWITCH MATRIX HAVING THE SAME  
Provided are an optical switch using a Mach-Zehnder interferometer and an optical switch matrix including the same. The optical switch includes a first coupler, an optical delay line, and a second...
US20100061680 RESETTABLE OPTICAL FUSE  
A resettable optical energy switching device comprises a waveguide forming an optical path between an input end and an output end, and an optical energy diverting material located in said optical...
US20090263079 OPTICAL ROUTERS AND LOGICAL GATES BASED ON THE PROPAGATION OF BRAGG SOLITONS IN NON-UNIFORM ONE-DIMENSIONAL PHOTONIC CRYSTALS  
An optical router for all-optical control over the propagation direction of optical pulses, comprising: (i) a non-uniform one-dimensional photonic crystal receiving a plurality of input optical...
US20110103740 OPTICAL FIBER SWITCH INCLUDING AN INDEX MATCHING ELASTOMERIC SOLID LAYER AND RELATED METHODS  
An optical fiber switch which may include first and second angled optical fibers having respective first and second end faces. Each of the first and second angled optical fibers may include a core...
US20080240649 Optical switch with co-axial alignment beam  
A method and system for creating and co-aligning a first array of optical beams with a second array of optical beams. In a preferred application the invention is used in a cross connect optical...
US20130223791 WAVELENGTH-SELECTIVE PATH-SWITCHING ELEMENT  
A wavelength-selective path-switching element has a silicon substrate on which a pattern of optical waveguides including a first optical waveguide, a second optical waveguide and an intermediary...
US20140169733 OPTICAL MODULE  
An optical module includes a first switch card (10) having a first optical connector, a second switch card (20) disposed on a side of the first switch card and having a second optical connector, a...
US20050157974 Optical switching and logic systems and methods  
Optical switches and logic devices comprising microstructure-doped nanocavity lasers are described. These switches and logic devices have gain and thus can be cascaded and integrated in a network...
US20150125112 OPTICAL SWITCH FABRIC FOR DATA CENTER INTERCONNECTIONS  
An optical switch fabric includes horizontal optical waveguides including a first set and a second set, the first set is configured to receive a first plurality of wavelengths from the one or more...
US20130058607 OPTICAL INTERCONNECT FABRICS AND OPTICAL SWITCHES  
Optical interconnect fabrics and optical switches are disclosed. In one aspect, an optical interconnect fabric comprises one or more bundles of optical broadcast buses. Each optical broadcast bus...
US20080101743 MWS DRIFT FEEDBACK COMPENSATOR USING VOA AND INPUT POWER DITHERING  
The invention relates to a compensator of attenuation drift in an optical multi-wavelength switch (MWS) which uses input signal amplitude dither and external VOA dither cancellation to determine...
US20120114282 WHOLE FIBER SWITCHED P-CYCLES  
A communication network in which p-cycles are used to rapidly, simply and efficiently provide for the direct replacement of failed fiber sections with whole replacement fibers. As long as the loss...
US20080285912 INTEGRATED CIRCUIT WITH OPTICAL SWITCH  
An integrated circuit having an optical switch includes an optical body configured to transmit light, the optical body having a boundary, and a thin film disposed at the boundary that is...
US20120014642 Transparent Optical Switch  
An optical switching device realized on a substrate. The device includes a moveable platform driven by electrostatic actuation provided by a set of rotor fingers and stator fingers. The moveable...
US20050036731 Method of optical fibre preform manufacture  
The present invention provides a method for producing a perform (1) for a holey optical fibre including thermomechanically forming the preform from a unitary body of optically suitable material...
US20100054659 OPTICAL CROSSBAR SWITCH  
An optical crossbar switch for optically coupling optic fibers comprising: at least one first fiber and a plurality of second fibers; a moveable fiber-end carriage coupled to an end of the at...
US20080013884 OPTICAL FIBER CABLE DISTRIBUTION FRAME  
A telecommunication distribution frame is provided for optical fibre of an incoming cable. Primary and secondary flexibility suites include joined blown fibre tubes routed as desired within the...
US20070031086 Optical multiplexer / de-multiplexer with regions of altered refractive index  
A method of making an optical device to wavelength multiplex/de-multiplex light signals by altering the refractive index of regions within a material is disclosed. A substrate is formed from a...
US20090110347 Optical Assembly for Repetitive Coupling and Uncoupling  
There is provided an optical assembly (100) comprising an optical fiber arrangement (220, 230) and a lens arrangement (120). The lens arrangement (120) is spatially disposed relative to the fiber...
US20070009201 Electric field programmable films and memory devices based thereon  
An electric field programmable film composition is disclosed containing a binder and (a) an electron donor and an electron acceptor, wherein at least one of: (i) the concentration of the electron...
US20110002581 OPTICAL SWITCH AND METHOD OF MANUFACTURING THE SAME  
Provided is an optical switch that can be operated efficiently and a method of manufacturing the same. The optical switch according to the present invention is an optical switch of Mach-Zehnder...
US20070014510 Optical network equipment and optical network  
A position in which an optical signal characteristic is compensated in an optical network can be chosen. An optical network equipment measures an optical signal characteristic for each wavelength,...
US20090263080 STRESS FREE MOUNTING OF OPTICAL BENCH FOR WSS  
An optical bench in a wavelength selective switch (WSS) is mounted using a combination of fixed mounts and stress-free mounts. The WSS is packaged in an enclosure including a base, a sidewall, and...
US20140169732 High Density Optical Fiber Switch Module  
A high density optical fiber switch module comprises a box body whose front end is provided with several optical fiber adapters, the top surface or bottom surface of the optical fiber adapter is...
US20050259914 Photonic switch working in momentum-division-multiple-access (mdma) mode for microwave and optical wavelengths based upon the measurement of the spin, the orbital angular momentum and the total angular momentum of the involved photo  
Photonic switch working in Momentum-Division-Multiple-Access (MDMA) mode for microwave and optical wavelengths based upon the measurement of the spin, orbital angular momentum and total angular...
US20100067850 AUTOMATED OPTICAL SWITCH AND METHOD  
An automated optical switch for use in a central office to increase coupling density including a frame having a mating plate defining a plurality of precision alignment holes formed therethrough....
US20120251041 OPTICAL WAVEGUIDE DEVICE AND MODULE  
In a waveguide device, unnecessary optical power is appropriately terminated. According to an embodiment of the present invention, the waveguide device has a termination structure filled with a...
US20090252183 An Optical Device for Addressing a Slave Cavity with a Wide-Band Laser Source  
The invention concerns an optical device comprising an optical source for emitting a light beam in a plurality of emitting wavelengths and at least one laser, each of said at least one laser...
US20050185884 Single-level no-crossing microelectromechanical hitless switch for high density integrated optics  
An optical switch includes at least two signal bus waveguides that receive optical signals as input. At least two directional couplers are positioned so that the inputs to the at least two...
US20110255826 OPTICAL SWITCH  
An optical switch is constituted of a wavelength filter and a control device. The wavelength filter includes a first waveguide exhibiting a transmission band of a predetermined basic mode and a...
US20070189662 All-optical switch  
In a Mach-Zehnder optical circuit that has a 3 dB coupler 10 whereby an NRZ light signal 53 inputted to an input port 7 is distributed to both arms of the circuit, a 3 dB coupler 3 whereby CW...
US20070223861 Multiport switch for optical performance monitor  
The present invention provides a switch assembly for use with a single-port OPM to realize a multi-port OPM having improved reliability. In one embodiment, an NĂ—1 optical switch assembly, wherein...
US20060204169 All-optical controllable photonic switch  
A photonic switch matrix is disclosed. The photonic switch matrix includes a first pair of power splitters, each power splitter including one input and two output ports and a second pair of power...
US20060002653 Apparatus for an optical circuit having a flat wavelength response  
Optical circuits having a flat wavelength response are disclosed. A disclosed apparatus includes a first optical coupler, first and second optical waveguides optically coupled to the first optical...
US20120275743 METHOD DEVICE ASSEMBLY AND SYSTEM FOR FACILITATING THE INTERCONNECTION OF COMMUNICATION BEARING CABLES  
Disclosed is a method device assembly and system for facilitating the interconnection of communication bearing cables connected cable connectors. An interconnect-point support structure comprising...

Matches 1 - 50 out of 179 1 2 3 4 >