Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 8189981 | Stable lithium niobate waveguides, and methods of making and using same The invention provides stable lithium niobate waveguides, and systems and methods for making same. In accordance with one aspect of the invention, a waveguide includes a lithium niobate substrate having an upper surface; and a soft proton-exchanged layer embedded wi... | 05/29/2012 |
| 8189980 | Electromagnetic wave resonator, method of manufacturing the same, and method of resonating electromagnetic wave The present invention provides an electromagnetic wave resonator that is capable of showing surface wave resonance typically as outstanding plasmon resonance and can be manufactured industrially with excellent reproducibility and efficiency by combining currently av... | 05/29/2012 |
| 8023790 | Optical waveguide film with mark for positioning and method for producing the same An optical waveguide film includes: an optical waveguide film main body including an optical waveguide core through which light travels and a cladding portion that encloses the optical waveguide core and has a lower refractive index than that of the optical waveguid... | 09/20/2011 |
| 8009953 | Three-dimensional photonic crystal and its manufacturing method thereof An object of the present invention is to provide a three-dimensional photonic crystal which allows an internal formation of a defect structure with an arbitrary shape and size. Multiple holes extending to two different directions are formed obliquely to a base body ... | 08/30/2011 |
| 8005332 | Integrated optical vapor cell apparatus for precision spectroscopy An optical waveguide is provided comprising a non-solid core layer surrounded by a solid-state material, wherein light can be transmitted with low loss through the non-solid core layer. A vapor reservoir is in communication with the optical waveguide. One implementa... | 08/23/2011 |
| 7995893 | Magnetic material for magneto-optical isolator A magneto-optical structure is provided. The magneto-optical structure includes a substrate. A waveguide layer is formed on the substrate for guiding electromagnetic radiation received by the magneto-optical structure. The waveguide layer includes magnetic oxide mat... | 08/09/2011 |
| 7995892 | Low loss, high and low index contrast waveguides in semiconductors A system in one general embodiment includes a waveguide structure comprising a core of an alloy of Group III-V materials surrounded by an oxide (which may include one or more Group III-V metals), wherein an interface of the oxide and core is characterized by oxidati... | 08/09/2011 |
| 7974508 | Multi-layer structure and method for manufacturing the same A multi-layer structure and a method for manufacturing the multi-layer structure are provided. The multi-layer structure includes: a waveguide including one or more light coupling regions having a refractive index gradient; at least one organic material based active... | 07/05/2011 |
| 7957621 | Light extraction film with nanoparticle coatings A multifunctional optical film for enhancing light extraction includes a flexible substrate, a structured layer having nanoparticles of different sizes, and a backfill layer. The structured layer effectively uses microreplicated diffractive or scattering nanostructu... | 06/07/2011 |
| 7941025 | Semiconductor photonic device A coating film is provided on an end surface of a semiconductor photonic element including an active layer through which light propagates. The coating film has a two-layer structure including a first layer film and a second layer film arranged in a stacked relation.... | 05/10/2011 |
| 7865053 | Multi-semiconductor slab electro-optic modulator and process for using the same In one embodiment, the apparatus includes a substrate having a surface and an optical waveguide having a ridge-shaped semiconductor optical core, the ridge-shaped semiconductor optical core being located over the surface. The apparatus may further include a first se... | 01/04/2011 |
| 7835610 | Optical waveguide An optical waveguide and method of making are disclosed. The method of making includes forming a layer on a substrate of a substantially optically transparent material. The layer includes an inner area and an outer area. A sufficient number of voids can be created i... | 11/16/2010 |
| 7831123 | Microphotonic waveguide including core/cladding interface layer The invention provides a waveguide with a waveguide core having longitudinal sidewall surfaces, a longitudinal top surface, and a longitudinal bottom surface that is disposed on a substrate. An interface layer is disposed on at least one longitudinal sidewall surfac... | 11/09/2010 |
| 7831124 | Photonic crystal optical device An active area includes a photonic-crystal optical waveguide formed by periodically arranging a plurality of holes in a primary plane direction of an active-area core layer in an active-area growth portion. A passive area includes a passive optical waveguide formed ... | 11/09/2010 |
| 7826704 | Low-emissivity glass A Low-E glass includes a glass substrate and a multilayer Low-E film formed on at least one surface of the glass substrate. The multilayer Low-E film includes a number of high refractive index layers and a number of low refractive index layers stacked on one another... | 11/02/2010 |
| 7787735 | Waveguide structure and optical device There is disclosed a waveguide structure that propagates surface plasmon waves, comprising: a quantum well structure, disposed on a semiconductor substrate; wherein the quantum well structure has a quantum well layer, in turn having an intersecting region that inter... | 08/31/2010 |
| 7787736 | Semiconductor optoelectronic waveguide The present invention relates to a semiconductor optoelectronic waveguide having a nin-type hetero structure which is able to stably operate an optical modulator. On the upper and lower surfaces of the core layer determined for the structure so that electro-optical ... | 08/31/2010 |
| 7783150 | Planar optical waveguide A method for creating a master and for generating an optical waveguide therefrom. The method includes creating a waveguide master having the geometrical form of at least one optical element formed therein; and generating an embossed optical waveguide from the master... | 08/24/2010 |
| 7773849 | Device and method for optical resizing and backlighting A backlight assembly for feeding illuminating light to a passive display panel is disclosed. The backlight assembly comprises a plurality of waveguides being formed and/or embedded in at least one substrate and arranged to feed illuminating light to each sub-pixel p... | 08/10/2010 |
| 7751669 | Waveguide and device including the same At least one exemplary embodiment is directed to a waveguide, which includes a three-dimensional photonic crystal including a first linear defect and a second linear defect. The first linear defect is disposed at part of columnar structures and is formed of a medium... | 07/06/2010 |
| 7738756 | Energy coupled superlattice structures for silicon based lasers and modulators A waveguide structure includes a SOI substrate. A core structure is formed on the SOI substrate comprising a plurality of multilayers having alternating or aperiodically distributed thin layers of either Si-rich oxide (SRO), Si-rich nitride (SRN) or Si-rich oxynitri... | 06/15/2010 |
| 7715677 | Apparatus and methods for achieving phase-matching using a waveguide The present invention relates to an apparatus and methods for achieving phase-matching between various waves and/or modes by operation of a waveguide. Phase-matching between interacting waves is achieved by total internal reflection and transverse Bragg reflection w... | 05/11/2010 |
| 7711231 | Display device uniforming light distribution throughout areas and method for manufacturing same Disclosed are an optical display device producing uniform light distribution and a method of fabricating such devices. The optical display device has waveguides arranged in vertical and horizontal directions. The waveguide has a conical shape whose cross-section dec... | 05/04/2010 |
| 7706653 | Optical waveguide device Provided is an optical waveguide device including: a core having a stacked structure of at least three layers in which first thin films having a finite width and thickness and formed of a material having a relatively high electric conductivity and a second thin film... | 04/27/2010 |
| 7706654 | Integrated device for heat assisted magnetic recording An apparatus includes a first waveguide configured to focus an electromagnetic wave to a focal region, and a second waveguide to further condense the light to an optical spot. The second waveguide includes a metallic structure defining an opening having one end posi... | 04/27/2010 |
| 7702206 | Optical waveguide and method for manufacturing the same An optical waveguide includes: a center layer including at least two core layers whose edges are on substantially the same plane, and a first cladding layer provided between adjacent core layers; and a second cladding layer provided at least on both of front and rea... | 04/20/2010 |
| 7697810 | Three-dimensional photonic crystal and manufacturing method thereof A three-dimensional photonic crystal includes a structure that includes first, second, third, and fourth layers in this order. The structure of each layer includes a flat surface as one end surface, and first, second, and third structural portions. The first structu... | 04/13/2010 |
| 7657146 | Optoelectric high frequency modulator integrated on silicon An optoelectronic controller for regulating an optical signal. The controller includes a ridge or rib waveguide in an SOI-type substrate. The controller also includes an active zone formed by a plurality of thin layers of silicon. The layers are either N+ type doped... | 02/02/2010 |
| 7653280 | Polymer optical waveguide and method for manufacturing the same A polymer optical waveguide includes: an optical waveguide portion that includes a core and a cladding each formed of polymer material; and a conductive line that is installed along the core integrally with the optical waveguide portion, and that has an electrode su... | 01/26/2010 |
| 7646957 | Multiple-core planar optical waveguides and methods of fabrication and use thereof A multiple-core optical waveguide comprises: a substrate; lower and upper waveguide core layers; a waveguide core between the upper and lower waveguide core layers; upper and lower cladding; and middle cladding between the upper and lower waveguide core layers subst... | 01/12/2010 |
| 7646956 | Optical waveguide sheet and manufacturing method thereof An optical waveguide sheet that has an auxiliary layer for preventing light transmitted through the waveguide sheet from leaking or being lost and a manufacturing method thereof. The waveguide sheet transmits light from a light emitting element thereinto, and has a ... | 01/12/2010 |
| 7643719 | Superlens and a method for making the same A superlens for controlling the size and the phase of an electromagnetic beam that passes through it, and a method for independently controlling the horizontal and vertical focusing of the electromagnetic beam using the superlens is provided. The superlens comprises... | 01/05/2010 |
| 7639916 | Flexible optical device A flexible and optionally highly elastic waveguide capable of propagating and emitting light is disclosed. The flexible waveguide comprises a flexible material having a surface and an end, wherein a first portion of the light is emitted through at least a portion of... | 12/29/2009 |
| 7606455 | Light emitting slot-waveguide device An electroluminescent material slot waveguide generates light in response to current injection. In one embodiment, the waveguide is formed as part of an optical resonator, such as ring resonator waveguide or distributed Bragg reflector with an anode and cathode for ... | 10/20/2009 |
| 7606456 | Apparatus for the collection and transmission of electromagnetic radiation A collector for propagating incident radiation is disclosed. The collector may comprise a light directing component coupled to a buffer component, a first propagation component coupled to the buffer component and configured to transmit the incident radiation into a ... | 10/20/2009 |
| 7599595 | Semiconductor optoelectronic waveguide The present invention relates to a semiconductor optoelectronic waveguide having a nin-type hetero structure which is able to stably operate an optical modulator. On the upper and lower surfaces of the core layer determined for the structure so that electro-optical ... | 10/06/2009 |
| 7590327 | Waveguide and light emitting device having the same A waveguide based on a three-dimensional photonic crystal is arranged to provide wave-guiding in a single mode and a mode having a field strength distribution with unimodality in a plane perpendicular to the wave-guiding direction, to thereby enable wave-guiding in ... | 09/15/2009 |
| 7583881 | Optical element and display with transparent tensioned supporting films An optical element comprises a stack of at least three juxtaposed films with at least one inner optical film and two outer transparent films exhibiting high dimensional stability, wherein a controlled tensile force is applied in at least one direction to the two out... | 09/01/2009 |
| 7583882 | Waveguides for ultra-long range surface plasmon-polariton propagation The disclosure relates to surface plasmon-polariton waveguides, which can guide ultra-long range surface plasmon-polariton waves. The attenuation of an ultra-long range surface plasmon-polariton waves is much lower than the attenuation of the conventional long range... | 09/01/2009 |
| 7561774 | Optical waveguide In the optical waveguide which comprises a core layer to be an optical transmission region and an upper clad layer and a lower clad layer covering the surrounding of the core layer and of which the upper clad layer is formed while being shrunk in the volume, a stres... | 07/14/2009 |
