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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Application No. | Application Title | Issue Date |
| 20120033915 | 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 transport nanoscale objects. The slot waveguide is a unique structure that has sev... | 02/09/2012 |
| 20110091157 | 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 chip in the 3D stack, there are: a first optical coupler, an optical wavegu... | 04/21/2011 |
| 20110043817 | 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 waveguides have identical square cross sectional shapes in a plane orthog... | 02/24/2011 |
| 20110013195 | 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 guides the propagation of light in the core. The core dimensions satisfy the... | 01/20/2011 |
| 20100316332 | 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 optical fiber loop comprises: a PM fiber of length v; an IOC coupled to th... | 12/16/2010 |
| 20100142889 | 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. The coupler divides an input optical signal. The first waveguide branches o... | 06/10/2010 |
| 20100040327 | 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 waveguide includes a first optical waveguide and a second optical wavegui... | 02/18/2010 |
| 20100014802 | 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 polarization components of light using a polarization diversity arrangement. T... | 01/21/2010 |
| 20090324172 | 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 housing having an approximately D-shaped sidewall. An approximately semi-col... | 12/31/2009 |
| 20090304323 | 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 optical semiconductor device and optical waveguides. 12/10/2009 | |
| 20090269083 | 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 and others. A multitude of transverse scattered optical beam portions is c... | 10/29/2009 |
| 20090252455 | 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 optical axes of the ends. The optical path changing member is made of a transpar... | 10/08/2009 |
| 20090185811 | SPACE DIVERSITY OPTICAL RECEIVER AND SYSTEM AND METHOD USING THE SAME 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 and others. A multitude of optical beam portions is captured by a space di... | 07/23/2009 |
| 20090052841 | Laser and photodetector coupled by planar waveguides An optical apparatus comprises: a waveguide substrate; three planar optical waveguides formed on the substrate, each comprising a transmission core and cladding; a laser positioned to launch its optical output to propagate along the first waveguide; a photodetector posi... | 02/26/2009 |
| 20090034909 | 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 guiding the waveguiding layer are formed in the waveguiding layer, and a bra... | 02/05/2009 |
| 20090003769 | 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 spacing in the X-axis direction. These optical waveguides each have a width th... | 01/01/2009 |
| 20070263953 | Optical switching element An optical switching element comprising: a multimode waveguide having an electro-optical effect; one or a plurality of first single mode waveguides; a plurality of second single mode waveguides; a first electrode arranged in the vicinity of one edge on one side of the m... | 11/15/2007 |
| 20070172186 | Optical module The present invention is directed to an optical module, which stabilizes an oscillation characteristic of a laser by means of a simple configuration. To this end, a gain member, a partial reflection section connected to the gain member, and an optical device section con... | 07/26/2007 |
| 20070122080 | Optical directional coupler An optical directional coupler (1) comprises first and second straight optical waveguides (2, 3) having respective cores (2a, 3a) extending longitudinally close to each other to form an optical coupler portion, and a tapered opt... | 05/31/2007 |
| 20070076999 | Optical waveguide modulator with output light monitor An optical waveguide monitor equipped with an output light monitor having a decreased restriction in the dimensions and form thereof, a high reliability and a low production cost includes an optical waveguide element (having a plurality of surface waveguide portions, a ... | 04/05/2007 |
| 20070031083 | Planar waveguide structure with tightly curved waveguides Ridge and buried waveguide structures feature a plurality of trenches disposed proximate the waveguides in order to enhance confinement of an optical signal propagating within the waveguide are described. Additionally, an adiabatic transition region where the distance b... | 02/08/2007 |
| 20070014517 | 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 than a spot size obtained with a single electromagnetic energy emitting d... | 01/18/2007 |
| 20060280398 | Optical modulator, optical waveguide device and acousto-optic tunable filter apparatus The invention provides an optical modulator wherein appearance of radiation mode light can be suppressed to improve performances as a device. The optical modulator includes a multiplexing waveguide which in turn includes two input waveguides to which propagation lights ... | 12/14/2006 |
| 20060274988 | Optical modulator, optical waveguide device and acousto-optic tunable filter apparatus The invention provides an optical modulator wherein appearance of radiation mode light can be suppressed to improve performances as a device. The optical modulator includes a multiplexing waveguide which in turn includes two input waveguides to which propagation lights ... | 12/07/2006 |
| 20060257073 | Optical switch and matrix optical switch The invention provides an optical switch including a substrate which has conductivity or semiconductivity, an optical waveguide layer which is formed on the substrate, and a control electrode which is formed on the optical waveguide layer. The optical waveguide layer in... | 11/16/2006 |
| 20060257065 | Traveling-wave optoelectronic wavelength converter Traveling-wave optoelectronic wavelength conversion is provided by a monolithic optoelectronic integrated circuit that includes an interconnected traveling-wave photodetector and traveling-wave optical modulator with a widely tunable laser source. Either parallel and se... | 11/16/2006 |
| 20060228074 | Waveguide structure for guiding light in low-index material A high-index-contrast waveguide structure material used to guide light through a low-refractive-index material. In one embodiment, the waveguide structures are capable of guiding and confining light in such a way that very high optical intensity is obtained in a small c... | 10/12/2006 |
| 20060204176 | Three-dimensional optical waveguide and optical communication system A three-dimensional optical waveguide includes plural cores, a cladding, and an optical path converting device disposed at least at a part of the cores. The cores are provided in a specified direction at least in two rows and in two layers. The cores are buried in the c... | 09/14/2006 |
| 20060188199 | Directional coupler switch The directional coupler switch is configured by a parallel waveguide including a first region which is subjected to a nonlinear action and a second region which is not subjected to a nonlinear action. A dispersion relationship of the first region is varied due to the no... | 08/24/2006 |
| 20060188197 | Optical branching component with low polarisation sensitivity and increased process tolerance An optical branching component particularly suitable for use as a tap device is described. The component has two optical waveguides coupled between two optical couplers which each include at least one MMI supporting at least two guided modes. There is an effective optic... | 08/24/2006 |
| 20060177180 | Multichannel array waveguide diffraction grating multiplexer/demultiplexer and method of connecting array waveguide and output waveguide An array waveguide diffraction grating optical multiplexer/demultiplexer having an input waveguide, an input side slab waveguide, an output side slab waveguide, an output waveguide, an array waveguide provided between the input side slab waveguide and output side slab w... | 08/10/2006 |
| 20060153499 | Y-branch-based thermo-optic digital optical switches and variable optical attenuators with non-uniform heating The present invention is concerned with 1×2 thermo-optic digital optical switches known in the art as “Y-branch digital optical switches” and variable optical attenuators. ... | 07/13/2006 |
| 20060140540 | Optical waveguide structure The present invention disclosed is an optical waveguide structure that has a first waveguide provided with the opposite ends A and B, a second waveguide with the opposite ends C and D, a third waveguide with the opposite ends E and F, and a coupling waveguide having its... | 06/29/2006 |
| 20060133713 | Optical waveguide modulator equipped with an output light monitor An optical waveguide element having a plurality of surface waveguide portions. A connecting portion for connecting the surface waveguide portions. An output light-outputting waveguide portion connected to the connecting portion each on a dielectric substrate. An output ... | 06/22/2006 |
| 20060133733 | Power harvesting A power harvesting module comprises at least one electromagnetic (EM) radiation intensity modulator configured to receive a first EM radiation from at least one source and at least one energy converter configured to at least partially convert the energy of the first EM ... | 06/22/2006 |
| 20060120667 | Dual grating assisted optical coupler An optical coupler comprises an input waveguide, an intermediate waveguide, an output waveguide, a first grating situated between the input and intermediate waveguides, and a second grating situated between the intermediate and output waveguides such that, in use, light... | 06/08/2006 |
| 20060078258 | 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. ... | 04/13/2006 |
| 20060051018 | 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 independent of each other in the substrate, at least on... | 03/09/2006 |
| 20060013536 | Arrayed waveguide grating with increased uniformity of a performance parameter An arrayed waveguide grating (AWG) device comprising a substrate having a first array of waveguides optically coupled between first and second slab couplers and a second array of input-output waveguides optically coupled at first ends thereof to an input/output side of ... | 01/19/2006 |
| 20060002653 | 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 coupler and a second optical coupler optically coupled to the first and s... | 01/05/2006 |
