Matches 1 - 41 out of 41


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US20130301990 OPTICAL WAVEGUIDE DIRECTIONAL COUPLER  
An optical waveguide directional coupler includes a base and two optical waveguides formed in the base. The base has a ridge portion, and a planar portion adjacent to the ridge portion. Each of...
US20130243362 TUNABLE REFLECTORS BASED ON MULTI-CAVITY INTERFERENCE  
A reflective structure includes an input/output port and an optical splitter coupled to the input/output port. The optical splitter has a first branch and a second branch. The reflective structure...
US20120033915 OPTICAL FORCE BASED BIOMOLECULAR ANALYSIS IN SLOT WAVEGUIDES  
An architecture for the handling and transport of nanoscopic matter in lab on a chip devices using optical forces. A slot waveguide is used to focus and harness optical energy to trap and...
US20070014517 Electromagnetic energy emitting device with increased spot size  
Outputs of a plurality of electromagnetic energy emitting devices are merged to create merged electromagnetic energy. The merged electromagnetic energy illuminates a target with a spot size larger...
US20110013195 Polarization independent optical device  
An optical device includes a core sandwiched between two clads. The core includes a planar waveguide layer with ridges protruding into one of the clads, forming a ridge waveguide structure that...
US20130330041 WIDE-BAND OPTICAL COUPLER  
The present invention aims to provide a low-wavelength-dependent optical coupler capable of concurrently achieving high process stability and low polarization dependence. An optical coupler 100...
US20110043817 Polarization independent directional coupler and related optical devices  
An optical device has two optical waveguides embedded in a clad. The optical waveguides are mutually parallel and are separated by a distance that allows optical coupling between them. The optical...
US20060051018 Integrated optics component comprising a cladding and method for making same  
This invention relates to an integrated optics component including at least one optical guide core (11) and at least one optical cladding (9) in a substrate (7), the core and the cladding being...
US20090269083 SPACE DIVERSITY RECEIVER FOR OPTICAL COMMUNICATIONS  
An optical beam combiner is provided, which allows efficient collection of light for various applications: non-line of sight and free-space optical communications, remote sensing, optical imaging...
US20130156376 OPTICAL SYSTEMS FOR INFRARED TOUCH SCREENS  
We present optical systems suitable for focusing two substantially collimated beams or sheets of light propagating in different directions onto a common focal point. In some embodiments the...
US20120321251 THREE-DIMENSIONAL MACRO-CHIP INCLUDING OPTICAL INTERCONNECTS  
A multi-chip module (MCM) includes a stack of chips that are coupled using optical interconnects. On a first surface of a middle chip in the stack, there are: a first optical coupler, an optical...
US20090324172 Optical branching-coupling device, and manufacturing method and optical module of the same  
The optical branching-coupling device having a self-written optical waveguide core is formed without using half mirrors. In the optical branching-coupling device, three POFs are inserted into a...
US20120224812 90-DEGREE HYBRID  
The present invention provides a 90-degree hybrid capable of miniaturization and also capable of a stable operation in a wide band. According to an embodiment of the present invention, a PLC-type...
US20110091157 THREE-DIMENSIONAL MACRO-CHIP INCLUDING OPTICAL INTERCONNECTS  
A multi-chip module (MCM), which includes a three-dimensional (3D) stack of chips that are coupled using optical interconnects, is described. In this MCM, disposed on a first surface of a middle...
US20130322823 OPTICAL WAVEGUIDE DIRECTIONAL COUPLER AND METHOD FOR MAKING SAME  
An optical waveguide directional coupler includes a base having a planar member and a ridge member and an optical waveguide in the base. The ridge member extends from the planar member and has an...
US20150153512 DIRECTIONAL COUPLER  
A directional coupler comprising a first and a second optical waveguide extending at least partially parallel to one another is provided. The first and the second optical waveguide are arranged on...
US20100040327 OPTICAL WAVEGUIDE AND SPOT SIZE CONVERTER USING THE SAME  
An optical waveguide includes a substrate in the shape of a flat plate; lower clad that is disposed on the substrate; and a core that is disposed on the lower clad and transmits light. The optical...
US20150003782 POLARIZATION CONVERSION DEVICE  
A polarization conversion device includes: a directional coupler that includes an input side optical waveguide and an output side optical waveguide which are disposed in parallel to each other and...
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...
US20050220412 Optical splitter with reflection suppression  
An optical splitter with reflection suppression is disclosed. It includes an input waveguide and a plurality of receiving waveguides. The input waveguide has at least one output surface for...
US20100316332 BIAS-INSTABILITY REDUCTION IN FIBER OPTIC GYROSCOPES  
Apparatus for providing Bias-Instability reduction in Fiber Optic Gyroscopes are provided. In one embodiment, an optical circuit for a fiber optic gyroscope having a broadband light source and an...
US20140169740 METHOD AND SYSTEM FOR STABILIZED DIRECTIONAL COUPLERS  
Methods and systems for stabilized directional couplers are disclosed and may include a system comprising first and second directional couplers formed by first and second waveguides, where one of...
US20140355935 DIRECTIONAL COUPLING-TYPE MULTI-DROP BUS  
The invention relates to a directional coupling-type multi-drop bus of which the impedance is matched with the bus at the time of coupling so that the speed is increased. A directional coupler is...
US20050123244 Embedded optical waveguide coupler  
Waveguide couplers to efficiently couple light from one waveguide to another with different cross sections, including but not limited to waveguides in compact integrated packages fabricated on...
US20090252455 OPTICAL PATH CHANGING MEMBER  
An optical path changing member is assembled at ends of optical fibers and placed to face a substrate including an optical input/output terminal having optical axes inclined with respect to...
US20060078258 Apparatus and method for trimming and tuning coupled photonic waveguides  
The coupling of a pair of optical waveguides is trimmed and/or tuned in an optimal manner by alteration of the refractive index of the structure in a segment of the waveguide structure.
US20120230634 Radiation Waveguide Member  
A radiation waveguide member comprises a closed chamber provided with multilayer asymmetrical graded-index medium. The radiant heat exchange is unbalanced between the open surface of the closed...
US20050129367 Method and apparatus for angled fiber optical attenuation  
Opto-electronic array modules using a Vertical Cavity Surface Emitting Laser (VCSEL) and photodiode arrays have polished fiber end face angles varying from a 45 degree angle to attenuate the...
US20050265661 Optical true-time delay apparatus and manufacturing method thereof  
An optical true-time delay apparatus comprising: an optical fiber composed of a core layer and a cladding layer wrapping the core layer, and having a taper portion formed on an outer...
US20050265660 Photonic coupling device  
A photonic coupling device for the efficient transfer of an optical signal to or from a photonic crystal. The element receives an optical signal from a transmitting element connected to its input...
US20130243377 OPTIC COUPLER, OPTICAL FIBER LASER DEVICE, AND ACTIVE OPTICAL MODULE USING THE SAME  
The inventive concept provides optic couplers, optical fiber laser devices, and active optical modules using the same. The optic coupler may include a first optical fiber having a first core and a...
US20130287340 OPTICAL WAVEGUIDE DIRECTIONAL COUPLER AND METHOD FOR MAKING SAME  
An optical waveguide directional coupler includes a base and a Y-shaped optical waveguide formed in the base. The base includes a planar member and a ridge member extending from a side of the...
US20100142889 WAVELENGTH TUNABLE OPTICAL INTERLEAVER  
An optical interleaver of a wavelength division multiplexing (WDM) system includes an optical coupler, first and second waveguides, a high reflection mirror, and first and second phase shifters....
US20090034909 Optical Isolator  
An optical isolator is constituted by providing a substrate, a waveguiding layer lattice-matched to the substrate, and a non-reciprocal phase shifter, and a waveguide and a curved waveguide for...
US20100014802 COHERENT OPTICAL MIXER AND A METHOD OF COHERENT DETECTION OF LIGHT  
A coherent planar lightwave circuit (PLC) optical mixer chip is described comprising a matched pair of symmetrical four-coupler interferometers for in-phase and in-quadrature detection of two...
US20050063644 Leaky surface-plasmon mode directional coupler and polarization detection module for magneto-optical pickup head using the same  
A leaky plasmon mode directional coupler and a polarization detection module for a magneto-optical pickup head, which uses the leaky plasmon mode directional coupler, are provided. The leaky...
US20090304323 Optical coupling structure and substrate with built-in optical transmission function, and method of manufacturing the same  
To provide an optical coupling structure that can transmit signal light efficiently and change the light paths, and thereby increase the coupling efficiency of the optical coupling between an...
US20090003769 OPTICAL ISOLATOR  
On a surface of an Si layer of a substrate, a plurality of optical waveguides are formed that extend linearly in the Y-axis direction and that are separated from each other by a predetermined...
US20150293304 DIRECTIONAL COUPLER SYSTEM  
A circuit can include a tandem directional coupler comprising a first directional coupler and a second directional coupler connected in tandem. Each of the first and second directional couplers...
US20150125116 APPARATUS AND A METHOD FOR JOINTING A FIRST AND A SECOND OPTICAL FIBRE OF A COMPOSITE CABLE  
An apparatus and a method for jointing a first optical fibre and a second optical fibre, the apparatus includes a composite cable, where the composite cable includes an electric power cable, a...
US20130279855 BIDIRECTIONAL OPTICAL MODULE  
Provided is a bidirectional optical module having an improved structure capable of bidirectionally transmitting an optical signal. The bidirectional optical module includes a first optical...

Matches 1 - 41 out of 41