William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 8175431 | Multi-core ferrule and optical fiber connection structure An optical fiber connection structure includes a single-core plug holding a single-core ferrule, a multi-core plug holding a multi-core ferrule, and an adaptor having a tubular sleeve. The single-core ferrule made of zirconia (ZrO2) has a cylindrical shap... | 05/08/2012 |
| 8094983 | Multiple-core optical fiber with couplings between the cores An optical fiber includes a cladding, a first core, and a second core. At least one of the first core and the second core is hollow and is substantially surrounded by the cladding. At least a portion of the first core is generally parallel to and spaced from at leas... | 01/10/2012 |
| 8090231 | Transfer of light signals between optical fibers and system using optical devices with optical vias An optical system includes optical devices that each have a top side and a bottom side between lateral sides. A first one of the devices has one or more first waveguides immobilized on a first base. The first device having a first via that defines an optical path th... | 01/03/2012 |
| 8036506 | Multi-fiber section tunable optical filter A tunable optical filter is formed by the longitudinal alignment of two opposing end sections of single-mode optical fibers. On at least one of the end sections is a collimator fiber section which is formed from a section of a graded-index, multimode optical fiber w... | 10/11/2011 |
| 8027556 | Waveguide coupling structure A coupling structure of waveguide including a line defect (LD) waveguide portion having an LD waveguide, an electromagnetic field distribution matching portion (EFDMP) connected between the LD waveguide portion and a first tapered portion, the first tapered portion ... | 09/27/2011 |
| 8005329 | Combined structure of optical waveguide A combined structure of optical waveguides with high accuracy can be easily materialized by arranging cutout sections 11a and 12a for half-lap joint in a light-emitting sided-optical waveguide and a light-receiving sided-waveguide to comb... | 08/23/2011 |
| 7995883 | Optical waveguide and bi-directional optical transceiver Disclosed are an optical waveguide and a bi-directional light transceiver, in which a wavelength selective filer is provided in the core of the optical waveguide to divide bi-directional signals, so that manual alignment of optical components are easily achieved and... | 08/09/2011 |
| 7961995 | Electrically tunable plasmon light tunneling junction An electrically modulated plasmonic junction generates surface plasmons from an electrical signal from an electrical source, with the tunnel junction having a contact with a tapered end forming the junction in a gap between the contact and a substrate, with the gap ... | 06/14/2011 |
| 7957616 | Method of producing an optical connecting component, and optical connecting component A method of producing an optical connecting component in which three-dimensional electric wiring can be easily and accurately performed, and the optical connecting component are provided. A positioning projection 58 disposed on a second slide core 5... | 06/07/2011 |
| 7957617 | Methods, materials and devices for light manipulation with oriented molecular assemblies in micronscale photonic circuit elements with High-Q or slow light An optical device that comprises an input waveguide, an output waveguide, a high-Q resonant or photonic structure that generate slow light connected to the input waveguide and the output waveguide, and an interface, surface or mode volume modified with at least one ... | 06/07/2011 |
| 7929816 | Waveguide sheet containing in-coupling, propagation, and out-coupling regions In one aspect, an illumination structure includes a substantially non-fiber waveguide, which itself includes a discrete in-coupling region for receiving light, a discrete propagation region for propagating light, and a discrete out-coupling region for emitting light... | 04/19/2011 |
| 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 circuit (PLC) integrated to the fiber collimator array of the wavelength ... | 03/22/2011 |
| 7907806 | Optical mixer When a waveguide of second signal light outputted from a first optical coupler intersects a waveguide of first local light outputted from a second optical coupler, a waveguide of a first signal light outputted from the first optical coupler and a waveguide of a seco... | 03/15/2011 |
| 7885497 | TFT array substrate with storage capacitor having large capacitance and LCD panel using the same An exemplary thin film transistor array substrate (200) includes a transparent substrate (261), a plurality of gate lines (201) and a plurality of data lines (202) formed at the transparent substrate, the gate lines and the data lines cro... | 02/08/2011 |
| 7881572 | System and method for determining fiber characteristics A system is provided for characterizing optical fibers carrying signal traffic. The system includes a transmitter, a variable optical attenuator (VOA), a receiver, and a computing device. The transmitter propagates an optical test signal along a channel of a fiber p... | 02/01/2011 |
| 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 sections for simpler manufacturing and ease of assembly during a medica... | 02/01/2011 |
| 7869675 | Light emitting device A light emitting device, in which an encapsulation resin is disposed at a space confined between an optical member and a mounting substrate. This encapsulation resin is possibly made free from a void-generation therein. In this light emitting device, the optical mem... | 01/11/2011 |
| 7853103 | Optical junction apparatus and methods employing optical power transverse-transfer A method comprises: forming an optical device on a device substrate; forming a first optical waveguide on the device or device substrate; forming a second, structurally discrete optical waveguide on a structurally discrete waveguide substrate; and assembling the opt... | 12/14/2010 |
| 7844148 | Linear member A linear member (10) comprises a first layer (30) and a second layer (40), the second layer being arranged around the first layer. The second layer comprises a series of annular grooves (60). The material for the second layer is substanti... | 11/30/2010 |
| 7835606 | Optical multiplexing/demultiplexing device In an optical multiplexing/demultiplexing device are arranged in parallel and disposed on a substrate. The optical multiplexing/demultiplexing device is disposed with three or more Mach-Zehnder interferometers between the first and second optical input/output ports.... | 11/16/2010 |
| 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 pump light from the pump delivery fibers into the acceptance fiber. An... | 10/12/2010 |
| 7769259 | Optical coupler at interface between light sensor and waveguide A method of operating an optical device includes inserting a light signal into a waveguide positioned on a base. A light sensor is positioned on the base and is configured to receive the light signal after the light signal exits from the waveguide. The method also i... | 08/03/2010 |
| 7751663 | Backside reflection optical display The disclosure generally involves an optical (perhaps flat panel) display utilizing backside reflection for time-multiplexed optical shuttering. One display comprises a side-illuminated light guide associated with conditions for total internal reflection. A first su... | 07/06/2010 |
| 7738752 | Optical waveguide system It is made possible to provide an optical waveguide system that has a coupling mechanism capable of selecting a wavelength and has the highest possible conversion efficiency, and that is capable of providing directivity in the light propagation direction. An optical... | 06/15/2010 |
| 7693372 | Optical communication module using refraction plate for optical axis compensation, and manufacturing method of the same An optical communication module is fabricated to include a refraction plate made of an inorganic material whose refractive index varies little with temperature. The refraction plate is inserted in the optical path to perform optical axis compensation in a single len... | 04/06/2010 |
| 7639912 | Apparatus and method for subterranean distribution of optical signals Systems and methods for subterranean distribution of optical signals on integrated circuits are disclosed. A semiconductor device comprising a multi-layer substrate includes a surface layer and a subterranean layer. Electrical devices are formed in the surface layer... | 12/29/2009 |
| 7630603 | Optical waveguide ring resonator with photo-tunneling input/output port An optical resonator, a photonic system and a method of optical resonance employ optical waveguide segments connected together with total internal reflection (TIR) mirrors to form a closed loop. The optical resonator includes the optical waveguide segments, the TIR ... | 12/08/2009 |
| 7609920 | Optical coupler An optical coupler including: a substrate; a cladding layer formed on the substrate; and a slab waveguide formed on the cladding layer, wherein the slab waveguide comprises a first waveguide area on which a laser beam is incident and a second waveguide area having a... | 10/27/2009 |
| 7599588 | 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 sections for simpler manufacturing and ease of assembly during a medica... | 10/06/2009 |
| 7593610 | Multi-mode optical coherence device and fabrication method thereof In an MMI device with which a plurality of narrow width single-mode waveguides are provided at both ends of a multimode waveguide M, and light introduced into one single-mode waveguide on the input side is interfered in the multimode waveguide to be emitted from two... | 09/22/2009 |
| 7577327 | Optical junction apparatus and methods employing optical power transverse-transfer An optical apparatus comprises an optical device formed on a device substrate, a first optical waveguide formed on the substrate or on the optical device, and a second, mechanically discrete optical waveguide assembled with the device substrate, optical device, or f... | 08/18/2009 |
| 7574084 | Photodetector coupled to a planar waveguide An improved electro-optical system has a planar waveguide coupled to a photodetector through a transparent substrate. The planar waveguide is within a planar optical structure that can be part of optical communication network. The photodetector is positioned to rece... | 08/11/2009 |
| 7555179 | Optical microresonator with resonant waveguide imparting polarization An optical microresonator is formed as a microcylinder and a resonant waveguide on the microcylinder and having a plurality of spaced resonant elements such as circumferential ridges for optically coupling light from an optical source waveguide onto the microcylinde... | 06/30/2009 |
| 7551819 | Multiple-core photonic-bandgap fiber with coupling between the cores An optical coupler includes a first optical port, a second optical port, a third optical port, and a fourth optical port. The optical coupler further includes a photonic-bandgap fiber having a cladding, a first core, and a second core. The cladding includes a materi... | 06/23/2009 |
| 7546013 | Nanoparticle coupled to waveguide A nanoparticle is able to emit single photons. A waveguide is coupled to the nanoparticle and able to receive the single photons. A backreflector is optically coupled to the waveguide and configured to reflect the single photons toward the waveguide. ... | 06/09/2009 |
| 7542641 | Multi-channel optical device The multi-channel optical device includes a demultiplexer in a laser cavity. The demultiplexer is configured to demultiplex a multi-channel light beam into a plurality of channels. The device also includes a plurality of ports. Each channel exits the laser cavity th... | 06/02/2009 |
| 7539377 | Method and device for optically coupling optical fibres An optical coupler, the optical coupler being usable with a first optical fiber and a second optical fiber. The second optical fiber defines a second fiber coupling section and a second fiber transmitting section extending from the second fiber coupling section. The... | 05/26/2009 |
| 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 comprising an output end face at one end of the bundling-length of input f... | 05/12/2009 |
| 7519249 | Semiconductor optical modulator Semiconductor optical modulator devices exhibiting improved chirp characteristics are constructed from a Mach-Zehnder structure having resonators positioned within each arm and a number of phases shifters positioned within the arms, and/or resonators. ... | 04/14/2009 |
| 7512298 | Optical sensing methods An optical sensing system and method is disclosed. In one embodiment, a method of detecting a scattering center includes the step of providing an optical sensing system including a light source, one or more bus waveguides where a first bus waveguide has an input por... | 03/31/2009 |