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| Number | Title | Issue Date |
| 7936955 | Waveguide for thermo optic device A waveguide and resonator are formed on a lower cladding of a thermo optic device, each having a formation height that is substantially equal. Thereafter, the formation height of the waveguide is attenuated. In this manner, the aspect ratio as between the waveguide ... | 05/03/2011 |
| 7903910 | Coupled optical waveguide resonators with heaters for thermo-optic control of wavelength and compound filter shape An integrated optical device is disclosed comprising a substrate, optical waveguide, and compound optical resonator having a temperature sensor, at least two coupled optical resonators, and a heater localized to each optical resonator. An optical input signal is cou... | 03/08/2011 |
| 7783144 | Electrically tunable microresonators using photoaligned liquid crystals An electrooptically tunable waveguide-coupled microresonator. In one example embodiment, the switch includes a photoalignment layer that enhances control of liquid crystal alignment in the cladding near the coupling region of the microresonator and waveguide. ... | 08/24/2010 |
| 7711221 | Optical device and system and method for fabricating the device The present invention discloses an optical device able to luminesce, whereby the optical device comprises, inter alia, a luminescent source that is directly or indirectly mechanically coupled to a low-order mode waveguide, such that light emitting from the luminesce... | 05/04/2010 |
| 7668419 | Evanescent sensor using a hollow-core ring mode waveguide Method and apparatus enable optical evanescent sensing utilizing a waveguide with an annular core. The annular core can provide detectable sensitivity to a measurand due to optical interactions with contents along an inside surface of the annular core since optical ... | 02/23/2010 |
| 7587107 | Plasmon switch A variety of structures, methods, systems, and configurations can support plasmons for logic. ... | 09/08/2009 |
| 7570849 | Integrated circuit device having optically coupled layers In an integrated circuit device comprising a vertical arrangement of integrated circuit layers, coupling of an optical signal between a first integrated circuit layer thereof and a second integrated circuit layer thereof is described. The optical signal is evanescen... | 08/04/2009 |
| 7570850 | WGM resonators for studying orbital angular momentum of a photon, and methods An optical system, device, and method that are capable of generating high-order Bessel beams and determining the orbital angular momentum of at least one of the photons of a Bessel beam are provided. The optical system and device include a tapered waveguide having a... | 08/04/2009 |
| 7546007 | Broadband optical via A broadband optical via provides a low loss interconnection between waveguides in two vertically adjacent planar waveguiding layers. Two waveguides, one in each planar layer, evanescently interact over an interaction length, and substantially all of the power on one... | 06/09/2009 |
| 7539374 | Plasmon switch A variety of structures, methods, systems, and configurations can support plasmons for logic. ... | 05/26/2009 |
| 7515786 | White-light whispering gallery mode optical resonator system and method An optical resonator system and method that includes a whispering-gallery mode (WGM) optical resonator that is capable of resonating across a broad, continuous swath of frequencies is provided. The optical resonator of the system is shaped to support at least one wh... | 04/07/2009 |
| 7505649 | Plasmon router A variety of structures, methods, systems, and configurations can support plasmons for routing. ... | 03/17/2009 |
| 7499611 | Composite evanescent waveguides and associated methods A composite evanescent waveguide can include a first structured dielectric layer and a second dielectric material oriented adjacent one another to form a wave propagation interface between the first structured dielectric layer and second dielectric material. Each of... | 03/03/2009 |
| 7486853 | Resonator system for optical proximity communication An assembly comprising first and second electronic devices and an optical resonator that optically couples an optical waveguide on the first electronic device to an optical waveguide on the second electronic device. In this way, optical proximity communication betwe... | 02/03/2009 |
| 7466883 | Optical switches and routers and optical filters Our invention relates generally to an optical switch (31) and an optical router (10) to rapidly route signals from particular channels (22, 24) within an optical band by using optical switches (20) which utilize a controlled whispering ga... | 12/16/2008 |
| 7444045 | Hybrid sphere-waveguide resonators Microresonators, such as a microsphere resonators and planar microresonators, are optically coupled to waveguides for input and output of light. It is important that the relative positions of the microresonator and the waveguide are maintained stable, while still ma... | 10/28/2008 |
| 7430348 | Four-port optical filter fabricated from tapered optical fiber A four-port optical filter is provided including two tapered optical fibers, each having a loop in the area of their tapered portions, which are located relative to one another to form a ring resonator. The optical filter has a low Q with a broadband filter response... | 09/30/2008 |
| 7428348 | Electro-optical switching using coupled photonic crystal waveguides An electro-optical switch implemented in coupled photonic crystal waveguides is disclosed. The switch is proposed and analyzed using both a finite-difference time-domain (“FDTD”) method and a plane wave expansion (“PWM) method. The switch may be implemented in... | 09/23/2008 |
| 7415178 | Spiral waveguide slow wave resonator structure An optical microresonator includes microcylinder and spiral resonant waveguide formed on the microcylinder that optically couples light from an optical source waveguide to the microcylinder and slows light propagating along the microcylinder. A coupling element, for... | 08/19/2008 |
| 7412134 | Apparatus and methods for remakeable connections to optical waveguides A single-mode optical waveguide with a core, surrounded by a cladding consisting of an inner soft layer and an outer harder layer is described. The outer layer has a grating structure on its inner surface, whose spatial frequency is the same as that of the guided mo... | 08/12/2008 |
| 7406221 | Two-dimensional photonic crystal multiplexer/demultiplexer An object of the present invention is to provide a multiplexer/demultiplexer capable of preventing a decrease in multiplexing/demultiplexing efficiency due to an error in wavelength or due to a crosstalk with other wavelengths. A two-dimensional photonic crystal hav... | 07/29/2008 |
| 7406222 | Composite evanescent waveguides and associated methods A composite evanescent waveguide can include a first structured dielectric layer and a second dielectric material oriented adjacent one another to form a wave propagation interface between the first structured dielectric layer and second dielectric material. Each of... | 07/29/2008 |
| 7400796 | Whispering-gallery-mode resonator architectures and manufacturing processes This application describes optical resonators having deposited optical material layers and optical resonators having layered structures to support whispering gallery modes. ... | 07/15/2008 |
| 7400798 | Optically controlled photonic switch Fast, all optical switching of light is provided on silicon, using highly light confining structures to enhance the sensitivity of light to small changes in refractive index. In one embodiment, the light confining structures are silicon micrometer-size planar ring r... | 07/15/2008 |
| 7389019 | Variable photonic coupler A system is provided including a first waveguide having an optical input and a first optical output. A second waveguide includes a second optical output. A coupling region is between the first waveguide and the second waveguide. The coupling region controllably coup... | 06/17/2008 |
| 7379629 | Optically coupled resonant pressure sensor An optically coupled resonant pressure sensor includes a deformable diaphragm and an optically coupled resonator fixedly attached to the deformable diaphragm. The resonator includes a resonator body and a laterally offset photodiode adjacent to the resonator body. T... | 05/27/2008 |
| 7368281 | Label-free evanescent-field detection of biological and chemical agents An evanescent-field sensor system and method of using the system to detect either liquid- or airborne biological pathogens, chemical agents, and other harmful or toxic species is provided. The sensor system involves 1) an evanescent-field sensor having a substrate s... | 05/06/2008 |
| 7366373 | Plasmon switch A variety of structures, methods, systems, and configurations can support plasmons for logic. ... | 04/29/2008 |
| 7366366 | FBG sensing system To provide a low-cost FBG sensing device having a high reliability, suitable for high-speed measurement such as vibration measurement, able to perform a remote measurement, and simple data processing, the FBG sensing device comprising one or more light sources each ... | 04/29/2008 |
| 7366364 | Optical multiplexer An optical multiplexer includes a substrate into which are integrated a polarization rotator and a polarization coupler. The polarization coupler and the polarization rotator are in optical communication with each other. ... | 04/29/2008 |
| 7362927 | Tunable RF or microwave photonic filters using temperature-balanced whispering gallery mode optical resonators Devices and techniques for filtering RF or microwave frequencies by optical filtering using a tunable optical filter. ... | 04/22/2008 |
| 7362937 | Optical fiber, optical fiber amplifier, and optical fiber laser light source An optical fiber can efficiently excite metallic ions by a pump lightwave, and an optical fiber amplifier and an optical fiber laser light source both incorporate the optical fiber. The optical fiber comprises (a) a solid region that has a first region doped with me... | 04/22/2008 |
| 7359593 | Integrated optical mode shape transformer and method of fabrication An integrated optical mode transformer provides a low loss interconnection between an optical fiber and an integrated optic waveguide having a spot size different from that of the fiber. The mode transformer is comprised of two waveguide layers, an upper layer and a... | 04/15/2008 |
| 7356221 | Coupled optical waveguide resonators with heaters for thermo-optic control of wavelength and compound filter shape An integrated optical device is disclosed comprising a substrate, optical waveguide, and compound optical resonator having a temperature sensor, at least two coupled optical resonators, and a heater localized to each optical resonator. An optical input signal is cou... | 04/08/2008 |
| 7356222 | Wavelength selective optical device and method of tuning a wavelength characteristic of the same The invention provides a wavelength selective optical device in which a light emitted from an end surface of a first optical fiber that propagates optical signals with a plurality of multiplexed wavelengths is incident on a first end surface of a first graded index ... | 04/08/2008 |
| 7356233 | Suppression of transverse modes in bandgap microstructure optical fibers An optical fiber comprises core and cladding regions configured to guide the propagation of light (or radiation) in the core region. The cladding region includes a periodic structure configured to produce light guiding by bandgap confinement. In order to suppress hi... | 04/08/2008 |
| 7352921 | Multilayer optical fiber sheet, optical fiber sheet fabricating method, and optical fiber sheet In order to avoid a frequent multiple crossing in an optical fiber in a sheet and attach the optical connector near a marginal end of the sheet while maintaining a sufficient extra length and more extra length for attaching the optical fibers, in the optical fiber s... | 04/01/2008 |
| 7352933 | Dielectric microcavity sensors The use of bulge-like microcavities in microcavity sensors provides advantages in alignment and reproducibility in manufacturing. Arrays of bulge-like microcavities may be used with multiple waveguides. In addition, the bulge-like microcavity may be formed with at l... | 04/01/2008 |
| 7352942 | Optical field concentrator using multiple low-index nano-layer configuration for CMOS compatible laser devices An optical field concentrator includes a plurality of waveguide layers comprising high index materials having a first defined thickness. At least one nano-layer structure is positioned between said waveguide layers. The at least one nano-layer structure comprises lo... | 04/01/2008 |
| 7349618 | Optical feedthrough assembly for use in implantable medical device An optical feedthrough assembly is provided that is configured to be disposed through the canister of an implantable medical device. The optical feedthrough assembly comprises a ferrule having an aperture therethrough and an inner surface therethrough. An optical fi... | 03/25/2008 |
