|
Match
|
Document |
Document Title |
|
|
7620275 |
Integrated polarization splitter/combiner
Provided is an apparatus and method for use thereof. The apparatus, in one embodiment, includes a 1×2 coupler in communication with a waveguide. The 1×2 coupler, in this embodiment, is configured...
|
|
|
7620274 |
Optical protection switch and method for optical protection switching
An optical protection switch and a method for optical protection switching are provided. The optical protection switch includes a loop mirror-based optical switch with two circulators and a...
|
|
|
7620273 |
Methods and devices for providing optical, serviced-enabled cross-connections
A technique for improving optical cross-connections comprises placing a switch in front of a number of processing units. So configured, the units are no longer dedicated to a specific link or...
|
|
|
7606450 |
Light activated optical switch that includes a piezoelectric element and a conductive layer
A light activated optical switch includes at least one conductive layer located adjacent to a piezoelectric element to enhance the electrical field that is applied to the piezoelectric element in...
|
|
|
7606449 |
Adaptive switch contamination compensation
In a method and system for compensating for contamination of a switch or of a load circuit connected to the switch in a switch circuit, on/off signal levels are obtained corresponding to on/off...
|
|
|
7603006 |
Optical switch having angle tuning elements and multiple-fiber collimators
An optical switch with a compact form factor includes a multiple-fiber collimator and an angle tuning element for deflecting an optical beam from an input fiber into one of at least two output...
|
|
|
7596290 |
Optical-switch testing apparatus, optical-signal switching apparatus, optical-switch testing method, and control method for optical-signal switching
A light source supplies optical signal to an optical switch and a detector detects light receiving level. A control unit changes a deflection control amount for changing an angle of a tilt mirror,...
|
|
|
7595212 |
Heat transfer structures
A switching element includes a bubble chamber, a heater and a heat conductor. The bubble chamber holds fluid. The bubble chamber includes a trench within a planar light circuit and includes a...
|
|
|
7590316 |
Optical switch
An optical switch, comprises: a plurality of N input ports ( 2 ); a plurality of M output ports ( 24 ); and a plurality of displaceable beam steering arrangements ( 1 ) which, during switching,...
|
|
|
7590312 |
Interferometer optical switch and variable optical attenuator
The present invention discloses an interferometer optical switch that can carry out switching over a broad band and has a high extinction ratio and large fabrication tolerance. The interferometer...
|
|
|
7580598 |
Optical signal processing device, information recording/reproducing apparatus and information recording/reproducing system
Optical signal processing device that processes an optical signal based on predetermined data has a first terminal for inputting and outputting the optical signal, which is connected to a first...
|
|
|
7574081 |
Optical system with optical waveguides
The present invention provides an optical system with waveguides, which comprises first, second and third optical input/output means ( 12, 14, 16 ), fourth and fifth multi-mode optical waveguides (...
|
|
|
7574080 |
Technique for photonic switching
A technique for photonic switching is disclosed. In one particular exemplary embodiment, the technique may be realized as a method for photonic switching. The method may comprise receiving at least...
|
|
|
7574079 |
Exogenous tone dither rejection in optical switching
Methods and apparatus for dither control of a micromirror using a servo control loop in an optical switching apparatus, an optical switching apparatus and optical network are disclosed. A servo...
|
|
|
7574078 |
Reconfigurable optical switch
An optical switch is provided which includes a plurality of input/output ports for receiving one or more wavelength component(s) of an optical signal. The optical switch also includes an optical...
|
|
|
7574073 |
Optical devices with integral isolators
An isolator assembly, for use internally within a multi-port optical switch, and which operates on a preselected number of input port channels. The assembly incorporates a sequence of a...
|
|
|
7570847 |
Method of forming an optical switch
A method of forming an optical switch is disclosed. The optical switch is implemented with one or more cantilevered optical channels, which are formed in a flexible waveguide structure, and an...
|
|
|
7567736 |
Waveguide type wavelength domain optical switch
A waveguide type wavelength domain optical switch includes an input/output port including at least three waveguide spectrometers stacked in thickness direction, a first lens for collecting light...
|
|
|
7565044 |
Optical module method of manufacturing the same
An optical module with a first optical waveguide substrate having end faces; a second optical waveguide substrate which includes a first optical waveguide, a second optical waveguide, and end...
|
|
|
7561799 |
Optical path switching device
An optical path switching device includes compact and unpackaged components; the components are mounted onto a single platform; and the components are coupled by luminous flux. Connection between...
|
|
|
7561766 |
Thin film interleaver
A thin film interleaver device is disclosed. The thin film interleaver includes thin film optics. The thin film(s) are formed such that they reflect one group of wavelengths while allowing a second...
|
|
|
7561760 |
System and method for optical beam steering using nanowires and method of fabricating same
An apparatus and a method for steering optical frequency beams using nanowire. A method includes providing one or more nanowire waveguide arrays, generating an optical frequency beam, wherein the...
|
|
|
7559703 |
Optical module and data communication system including the optical module
An optical module includes a fiber array, a laser diode array, a photodiode array and a micro-lens array. The fiber array includes optical fibers which are divided to a transmitter group and a...
|
|
|
7558456 |
Optical waveguide device
An optical waveguide device includes a lower cladding layer, a high refractive index region provided on the lower cladding layer, a pair of cores provided on the lower cladding layer on both sides...
|
|
|
7558447 |
Single-pole optical wavelength selector
A single-pole, wavelength selective switch in which the input optical signal is converted to a light beam having a defined polarization, such as S-polarization, with respect to the system plane....
|
|
|
7555177 |
All fiber magneto-optic on-off switch for networking applications
A fiber optic switch based on the magneto-optic effect of magnetic materials is presented. Due to the optical fiber based construction of the switching device it is suitable for optical fiber...
|
|
|
7551813 |
Simplified fiber-optic switch for all-optical fiber-optic lines
Simplified and insensitive to ambient condition mechanical bi-directional fiber-optic switch that can work in fire and explosion hazardous environment. The switch houses a sensitive element—a...
|
|
|
7548668 |
Programmable optical array
An apparatus having a topology that allows building complicated optical programmable arrays useful for manipulating the phase and/or amplitude of an optical signal. Sophisticated filtering and...
|
|
|
7546011 |
Monolithically integrated optical devices with amorphous silicon arrayed waveguide gratings and InGaAsP gain
An optical waveguide assembly and method of forming the same is described. The optical waveguide assembly includes a waveguide, an amorphous silicon arrayed waveguide grating communicative with the...
|
|
|
7546005 |
Optical switch and path switching method
An optical switch not having waveguide crossings, as in a matrix switch, enabling input/output path switching of N×N, and not increasing the optical loss or the size when the number of channels...
|
|
|
7546004 |
Photonic interconnect system
A photonic interconnect system avoids high capacitance electric interconnects by using optical signals to communicate data between devices. The system can provide massively parallel information...
|
|
|
7542633 |
Plasmon gate
A variety of structures, methods, systems, and configurations can support plasmons for logic.
|
|
|
7539371 |
Optical apparatus with reduced effect of mirror edge diffraction
A micromirror for use in an optical apparatus may comprise a reflective portion, configured to be rotatable about a switching axis and an attenuation axis that is different from the switching axis....
|
|
|
7536068 |
Micro movable element and optical switching device
A micro movable element includes a micro movable substrate, a package base and an electroconductive connector. The micro movable substrate is provided with a micro movable unit that includes a...
|
|
|
7536067 |
Photonic integrated circuit device and elements thereof
A photonic integrated circuit (PIC) device is described. The PIC device includes a set of optical transceivers including optical transmitters and optical receivers, and an embedded optical...
|
|
|
7532787 |
Continuous optical null tracking method for optical switch
A method and apparatus are provided for real-time correction of a voltage drift of an optical switch. The correction may be made without interrupting an optical data stream of the optical switch....
|
|
|
7532786 |
Light activated optical switch that includes a piezoelectric element with layers of piezoelectric material having different piezoelectric characteristics
A light activated optical switch has a piezoelectric element that has at least two layers of piezoelectric material with each layer having different piezoelectric characteristics. The piezoelectric...
|
|
|
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.
|
|
|
7529454 |
Photonic crystal surface states
A photonic crystal may be configured to support a surface state for logic.
|
|
|
7529443 |
Beam steering element with built-in detector and system for use thereof
An all-optical cross-connect switching system provides optical switching that may reduce processing requirements by three orders of magnitude over conventional techniques by associating at least...
|
|
|
7529442 |
Polarization-independent electro-optical (EO) switching
In one embodiment, an apparatus includes a passive element including one or more first waveguides and one or more second waveguides. The apparatus also includes an active element integrated into...
|
|
|
7529441 |
Wavelength routing optical switch
An optical switch for routing arbitrary wavelengths between optical fibers in optical networks. The optical switch may include a highly wavelength dispersive element together with a spatially...
|
|
|
7528364 |
Optical beam steering and sampling apparatus and method
In a light (optical) beam steering/sampling system, a matrix inversion control technique is used to decouple the operation of the actuators which drive the steering mirrors. The control technique...
|
|
|
7526147 |
Sensor array for perimeter defense
An intensity modulated broadband optical signal source is arranged to produce optical signals in a plurality of wavelength bands. A demultiplexer/multiplexer pair receives optical signals from the...
|
|
|
7522789 |
Optical switches and actuators
An optical switch comprises one or more input ports for directing an optical beam into the switch; dispersive means configured to receive said optical beam and which spatially separate the optical...
|
|
|
7519250 |
Optical switches
Optical switches are described herein. In one embodiment, an exemplary optical switch includes, but is not limited to, a first waveguide, a second waveguide across with the first waveguide in an...
|
|
|
7519247 |
Wavelength selective optical switch
A wavelength selective optical switch particularly usable as a programmable N×M optical switch in a multi-wavelength communication system. The switch uses a grating that separates multi-channel...
|
|
|
7515783 |
Micro-optic device and method of manufacturing same
A micro-optic device including a complicate structure and a movable mirror is made to be manufactured in a reduced length of time. A silicon substrate and a single crystal silicon device layer with...
|
|
|
7505648 |
Device comprising a polarization-independent micro-resonator
Polarization-diverse optical devices and related methods are disclosed. In some embodiments, these devices and methods are realized by utilizing a four-port, wavelength-dependent optical coupler...
|
|
|
7499609 |
Optical Switch
A blocking portion is provided at an end of the mirror to prevent a light beam emitted from an input port from being transmitted to or reflected by first and second output ports. The mirror is...
|