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Match Document Document Title
8923673 Optical modulator  
An optical modulator is provided which can compensate for a bias shift between an output light and a monitoring light of the optical modulator and which has a configuration capable of being...
8923672 Wavelength router for a passive optical network  
A passive arrayed-waveguide-grating (AWG) router that can be used to implement the dual functionality of a wavelength router and a 3-dB power splitter for one of its wavelength channels while...
8909009 Light guides having enhanced light extraction  
Lightguides, devices incorporating lightguides, processes for making lightguides, and tools used to make lightguides are described. A lightguide includes light extractors arranged in a plurality...
8861908 Optical imaging probe  
This document discusses, among other things, a connector for an optical imaging probe that includes one or more optical fibers communicating light along the catheter. The device may use multiple...
8705925 Optical waveguide film, laminated type optical waveguide film, optical waveguide, optical waveguide assembly, optical wiring line, optical/electrical combination substrate and electronic device  
An optical waveguide film includes at least one optical waveguide area having an X-direction and a Y-direction orthogonal to the X-direction. Such an optical waveguide film includes a plurality of...
8676009 Monolithic photonic integrated circuit  
An optical device includes a waveguide slab, first and second input port couplers, and first and second output port couplers located over a planar optical substrate. The waveguide slab has a plane...
8582930 Fiber sensing systems and fiber sensing methods  
A fiber sensing system is provided, including a plurality of ring structures, an optical coupler and a switching unit. Each of the ring structures has at least one fiber sensor to receive and...
8554032 Optical star coupler for plastic optical fibers  
A method and apparatus for assembling an optical coupler system. A first plurality of optical fibers is connected to a first receptacle using an alignment system to align the first plurality of...
8494319 Arrayed waveguide grating (AWG) with different radii in the input and output slab regions  
Arrayed waveguide grating (AWG) circuits are disclosed, having different radii in the slab regions to supplement and/or replace other mechanical techniques which enable athermal AWGs. Dual band,...
8478093 Multimode interference coupler and method for the structural configuration thereof  
A multimode interference coupler includes at least one supply waveguide and at least one output waveguide, wherein the coupler has along its longitudinal extent in the direction of the supply...
8340484 Compact multi-port optical signal processor  
In a method and system to fabricate a compact optical device, a periodic group-delay device (PGDD) includes N optical input ports, N being a positive integer number, each port being configured to...
8335408 Signal processing apparatus  
In the sending and receiving of a signal through an optical waveguide, an unknown substrate connected to the optical waveguide can be recognized. A signal processing apparatus 1A is provided with...
8326101 Optical router with nearly ideal performance and increased number of channels  
An optimized planar optical router consisting of two stages performing stationary imaging between an input waveguide and a set of output waveguides has advantages of reduced size, larger number of...
8320723 Optical imaging probe connector  
This document discusses, among other things, a connector for an optical imaging probe that includes one or more optical fibers communicating light along the catheter. The device may use multiple...
8280254 Optical interleavers and de-interleavers  
An apparatus includes one or more optical de-interleavers. Each optical de-interleaver includes an optical component having a first pair of optical input and output ports and a second pair of...
8275224 Coherent receiver having an interleave-chirped arrayed waveguide grating  
An optical coherent detector that employs an interleave-chirped arrayed waveguide grating (AWG). The AWG has a periodic chirp pattern that enables the AWG to function as an optical 90-degree...
8200047 True time delay photonic circuit  
Described are systems and methods that provide tunable true time delay of a signal using a compact photonic circuit. The photonic circuit comprises a plurality of waveguides, in which each...
8200053 Optical switch  
An optical apparatus including input ports receiving WDM light, an output port, a first wavelength dividing unit that divides the lights input from the input ports into divided lights with...
8155488 Wavelength locking and power control systems for multi-channel photonic integrated circuits (PICs)  
A transmissive active channel element is provided in each signal channel of a monolithic multi-channel TxPIC where each channel also includes a modulated source. The active channel element...
8111955 Optical chip for arrayed waveguide grating type optical multiplexer/demultiplexer circuit, waveguide substrate, and method for fabricating optical chip for arrayed waveguide grating type optical multiplexer/demultiplexer circuit  
An optical chip according to the present invention is formed into a projecting shape expanded toward either side at the center. A waveguide substrate has a layout in which arrayed waveguide...
8094986 Double clad fiber and fiber end processing method, and fiber-combiner connecting structure including the same  
A double clad fiber includes a core, a first cladding provided so as to cover the core, and a second cladding provided so as to cover the first cladding. The second cladding has a plurality of...
8031994 Optical waveguide for touch panel and touch panel using the same  
An optical waveguide for a touch panel in which the intensity of light beams emitted from light-emitting portions of a plurality of light-emitting cores in the form of branches is substantially...
8021056 Microfluidic connections  
A junction is made between a first microfluidic substrate (12) having an elongate component (303) protruding from it and a second microfluidic substrate (22) having a corresponding conduit (261)....
7965913 Optical star coupler  
A plastic optical fiber (POF) based reflective star coupler is provided. The POF based reflective star coupler comprises a hollow cylindrical holding tube for receiving a plurality of plastic...
7912331 Integrated fiber collimator and passive components  
Passive optical components may be used to tap the optical power, e.g., from fibers of a wavelength switch system. The passive optical components are realized by a standard photonics light-wave...
7903913 Optical apparatus  
An optical apparatus including a 360-degree star coupler with derivative structure(s) and applications to optical imaging, optical communications and optical spectroscopy.
7881573 Optical imaging probe connector  
This document discusses, among other things, a connector for an optical imaging probe that includes one or more optical fibers communicating light along the catheter. The device may use multiple...
7848602 Waveguide structure and arrayed waveguide grating structure  
Provided are a waveguide structure and an arrayed waveguide grating structure. The arrayed waveguide grating structure includes an input star coupler, an output star coupler, and a plurality of...
7813603 Optical coupler devices, methods of their production and use  
An optical component including an acceptance fiber, e.g. a photonic crystal fiber, for propagation of pump and signal light, a number of pump delivery fibers and a reflector element that reflects...
7773841 Optical turnaround  
Fiber optic sensors commonly require a 180 degree turnaround to form a continuous optical circuit. Methods and apparatus for providing 180 degree turnarounds in a fiber optic system that include a...
7733477 Micro-cavity measuring equipment and method based on double optical fiber coupling  
A micro-cavity measuring equipment based on double optical fiber coupling includes a sight and transmitter, a controller, and a length measuring device. The equipment detects small changes in the...
7720336 Code division multiplexing optical access network system  
The present invention provides an optical access network system that allows the transmission of packets irrespective of the packet length and which is also capable of adapting to cases where...
7702200 Waveguide grating optical router suitable for CWDM  
A planar optical device useful as a low order wavelength router is realized by using a waveguide grating comprising two curved arrays of opposite curvatures. The diffraction order is determined by...
7684666 Method and apparatus for tuning an optical delay line  
The present invention is a method and an apparatus for tuning an optical delay line. In one embodiment, an optical delay line includes at least one ring resonator in which light is guided or is...
7680370 Optical wavelength coupler using multi-mode interference  
Provided is an optical wavelength coupler using a multi-mode interference. The optical wavelength coupler is a planar waveguide type optical device that can distribute or couple two optical...
7676124 Monolithically integrated optoelectronic subassembly  
A monolithically integrated optoelectronic subassembly having a waveguide layer stack which is applied on a substrate and has a fiber light-receiving waveguide layer in which at least one...
7653276 Composite structures for storing thermal energy  
A composite structure for storing thermal energy. In one embodiment, an apparatus for storing thermal energy includes: a thermal storage material and a three-dimensional structure. The...
7639903 Daisy chain optical interconnect  
A daisy-chain optical interconnection technique provides connectivity among a plurality of circuit boards. A plurality of optical cables is connected between pairs of the circuit boards to form a...
7630602 Optical filter module and method of manufacturing the same  
An optical filter module for wavelength multiplexing and demultiplexing and a method of manufacturing the same are provided. The optical filter module for wavelength multiplexing and...
7627212 Optical integrated device  
An optical integrated device includes an optical waveguide structure formed on a semiconductor substrate and including a plurality of first channel optical waveguide portions, an optical coupler...
7599586 Integrated chip  
An integrated chip for data communication, telecommunication and optical analysis for at least one, two or more wavelengths where the chip can be used not only to emit light but also to detect...
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,...
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...
7561325 Optical module  
The present invention relates to an optical module that has a structure for protecting a pumping light source at a low cost. The optical module comprises an amplification optical fiber, an optical...
7532792 Optical coupler, a method of its fabrication and use  
An optical coupler for coupling light from at least two input fibers into one output fiber and a method of fabricating and use of an optical coupler. The coupler comprises a) an input section...
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...
7515791 Phase matched optical grating  
The invention relates to phase matched optical gratings for performing signal multiplexing and demultiplexing in optical communications networks. In prior art gratings there is a phase linearity...
7505651 Optical planar wavelength selective filter and method of manufacture  
An optical planar wavelength selective filter is formed on a printed circuit substrate. Low optical loss polymers are used to make a layered structure that contains waveguides and free travel...
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...
7496256 Diffraction grating and dispersion compensation circuit  
A diffraction grating of the present invention includes a first block (101) and a second block (102). The first block (101) is made up of a plurality of input waveguides (103), a slab waveguide...

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