Entries |
Document | Title | Date |
20080292258 | OPTICAL DEVICE - The application relates to an optical device for enhancing the stress to be generated in a substrate in comparison with a conventional technique. To this end, the optical device includes a substrate having a photoelastic effect, a first stress layer formed on a first face of the substrate and having a pattern for generating stress which induces refraction index variation by the photoelastic effect in a partial region in the substrate, and a second stress layer formed on a second face which is a reverse face to the first face of the substrate and configured to generate stress for restoring the shape from the deformation caused by the stress generated in the substrate by the first stress layer in the substrate. | 11-27-2008 |
20080310809 | Optical film - An optical film including brightness enhancing, diffusion, and splitting layers; multiple optical microstructures being disposed on an upper surface of the brightness enhancing layer; the diffusion layer containing multiple diffusion grains; streams of light upon entering into the optical film delivering diffusion effect through the diffusion layer and provided with different traveling routes through the beam splitting layer to upgrade operation efficiency, create brightness enhancing effect through the brightness enhancing layer, and meet compact design requirements when applied in a backlight unit. | 12-18-2008 |
20090034928 | Optical waveguide film, optical substrate, and methods for manufacturing the same - An optical waveguide film includes a clad layer having an adhesive function; and a core layer covered by the clad layer. | 02-05-2009 |
20090041416 | Optical waveguide film and manufacturing method thereof - An optical waveguide film includes a film including a clad layer and a core layer covered by the clad layer; an adhesive layer formed on at least one surface of the film; and a plurality of projection portions formed on a surface of the adhesive layer and arranged at spaced intervals to one another. | 02-12-2009 |
20090074368 | Electrical contact apparatus for optical waveguides - An optical apparatus includes a waveguide configured to propagate optical energy; an electrical contact surface; and a semiconductor electrical interconnect extending from a first surface of the optical waveguide to electrical communication with the electrical contact surface. The semiconductor electrical interconnect comprises a geometry configured to substantially confine the optical energy to the waveguide. | 03-19-2009 |
20090092367 | Process of making a semiconductor optical lens and a semiconductor optical lens fabricated thereby - A semiconductor substrate with anode pattern is anodized to be shaped into an optical lens. The anodization utilizes an electrolytic solution which etches out oxidized portion as soon as it is formed as a result of the anodization, to thereby develop a porous layer in a pattern in match with the anode pattern. After being removed of the porous layer, the substrate is treated to smooth out minute projections remaining in the top surface of the substrate, thereby obtaining the lens of good transmissivity. | 04-09-2009 |
20090136190 | Optical Device Comprising a Waveguide Structure - An optical device has a waveguide structure comprising a thin strip ( | 05-28-2009 |
20090196562 | Film waveguide, method of manufacturing film waveguide, and electronic device - A method of manufacturing a film waveguide includes molding a first clad layer formed with a concave groove for core filling, molding a second clad layer, and laminating the surface formed with the concave groove of the first clad layer and the second clad layer using resin. The resin has a flexural modulus of smaller than or equal to 1,000 MPa, contains hydrogen bonding group in a functional group of a precursor, and has a refraction index higher than the clad layers. A core is formed in the concave groove by the resin. | 08-06-2009 |
20100021119 | OPTICAL WAVEGUIDE FILM, METHOD OF PRODUCING THE SAME, AND OPTICAL TRANSMITTER AND RECEIVER MODULE - 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 surrounds the optical waveguide core and has a lower refractive index than that of the optical waveguide core; an electric wiring portion including silver or a silver alloy and formed on at least a part of a principal surface of the optical waveguide film main body; and a protective layer including a titanium layer or a titanium alloy layer and disposed to cover the electric wiring portion. | 01-28-2010 |
20100061688 | OPTICAL WAVEGUIDES AND METHODS THEREOF - Embodiments in accordance with the present invention provide waveguide structures and methods of forming such structures where core and laterally adjacent cladding regions are defined. Some embodiments of the present invention provide waveguide structures where core regions are collectively surrounded by laterally adjacent cladding regions and cladding layers and methods of forming such structures. | 03-11-2010 |
20100150510 | FLEXIBLE OPTICAL WAVEGUIDE, PROCESS FOR ITS PRODUCTION, AND EPOXY RESIN COMPOSITION FOR FLEXIBLE OPTICAL WAVEGUIDES - The present invention provides a flexible optical waveguide in which at least one of a lower cladding layer, a core layer, and an upper cladding layer is composed of an epoxy film formed using an epoxy resin composition containing a polyglycidyl compound having a polyalkylene glycol chain(s) and at least two glycidyl groups or an epoxy film having a glass transition temperature (Tg) of 100° C. or lower, a process for its production, and an epoxy resin composition for flexible optical waveguides. | 06-17-2010 |
20100150511 | Compressible Photonic Crystal - A compressible photonic crystal comprising a polymer with an ordered array of voids, the photonic crystal having a reflectance in a first wavelength range for light incident to its incident surface and its opposing incident surface; wherein compression against at least a portion of at least one of the surfaces shifts the reflectance to a second wavelength range in at least that portion of that surface. The crystal may be used in authentication devices of various types. | 06-17-2010 |
20100150512 | WAVEGUIDE FOR PROPAGATING RADIATION - A low-loss waveguide that can be curved aggressively, that is, curved with a radius of curvature that is substantially zero, in the plane of propagation, without radiating, is formed by a slab of dielectric material having four metal plates, two on each opposite surface of the slab and mutually spaced to define in the dielectric slab between the four metal plates a confinement zone. In use, electromagnetic radiation injected in one end of the zone by suitable input means will propagate throughout the zone to an extraction means. Lower loss and better confinement of the radiation may be obtained by providing plugs of dielectric material adjacent the inwardly-facing edge of each of the metal plates. Embodiments of the invention can be used to implement integrated optical devices and circuits for routing or processing light signals. | 06-17-2010 |
20100239218 | Optical waveguide device - To provide an optical waveguide device which can allow a light-receiving element to be precisely aligned with a diffused waveguide formed in a dielectric substrate to implement an evanescent coupling light-receiving element. An optical waveguide device includes a dielectric substrate | 09-23-2010 |
20100239219 | PARTICLE AND NEAR-FIELD OPTICAL WAVEGUIDE - A particle includes: a metal; and a compound containing a hydrogen-bonding forming group, an absorption group different from the hydrogen-bonding forming group, and an aromatic ring, M representing the metal, A representing the absorption group, B representing the hydrogen-bonding forming group, a representing an integer of 0 or greater, b representing an integer of 0 or greater, c representing an integer of 1 or greater, R1 representing an aromatic ring (a planar ring up to a pi-electron number of 24) and a derivative of the aromatic ring, R2 through R5 representing a hydrogen atom, saturated hydrocarbon, unsaturated hydrocarbon, an ether bond, an ester bond, a cyano group, or derivatives of the substances and bonds, and the compound having a structure expressed by the following chemical formula. | 09-23-2010 |
20100260461 | WAVEGUIDE TYPE OPTICAL DEVICE - There is provided a waveguide type optical device whose parasitic capacitance is reduced to allow an increase in signal transmission speed. Bottom electrode | 10-14-2010 |
20100278496 | OPTICAL WAVEGUIDE AND METHOD FOR PRODUCING THE SAME - The present invention relates to an optical waveguide prepared by laminating a first cladding layer, a patterned core layer and a second cladding layer in this order on a base material, wherein the core layer has a height of 20 μm or more, and a curing rate in a range of 10 μm from a circumference of the core layer in the second cladding layer is 95% or more. | 11-04-2010 |
20100296788 | ELECTRO-OPTICAL MEMORY CELL - An electro-optical memory cell having a non-volatile programmable refractive index and a method of making. The memory cell includes: a waveguiding structure having a transition metal oxide with oxygen vacancies; a plurality of electrodes for applying an electrical field; and an optical detector for detecting a state of the memory cell. The method includes: fabricating a waveguiding structure having a transition metal oxide with oxygen vacancies; positioning a plurality of electrodes for application of an electric field; arranging the transition metal oxide and the electrodes such that when an electric field is applied, the oxygen vacancies migrate in a direction that has a component which is radial relative to a center of the beam path; applying the electric field thereby programming the refractive index to set a state of the memory cell; and detecting the state of the memory cell using an optical detector. | 11-25-2010 |
20100310220 | Optical device - An optical device wherein an optical waveguide is formed on a dielectric substrate, the optical device includes an input part and an output part where the optical waveguide and corresponding optical fibers are connected. A stress layer is provided for at least one of the input part and the output part. The stress layer applies a stress to the optical waveguide so that an index of refraction of the optical waveguide is reduced. | 12-09-2010 |
20110008010 | Optical waveguide film, optical substrate, and methods for manufacturing the same - An optical waveguide film includes a clad layer having an adhesive function; and a core layer covered by the clad layer. | 01-13-2011 |
20110052130 | ORGANIC DEVICE AND METHOD FOR MANUFACTURING ORGANIC DEVICE - An organic device has a substrate made of polymer, and a polymer layer adhered on the substrate. A crystallization degree of an adhesive surface with the polymer layer in the substrate is smaller than a crystallization degree of an interior of the substrate. In a manufacturing method for manufacturing an organic device including a substrate made of polymer; and having a polymer layer adhered on the substrate, the manufacturing method includes performing a low crystallization process on an adhesive surface with the polymer layer in the substrate to have a crystallization degree lower than a crystallization degree of an interior of the substrate. | 03-03-2011 |
20110058782 | OPTICAL WAVEGUIDES AND METHODS OF MAKING THE SAME - An optical waveguide includes a silicon wafer having two opposed sides. A first notch is defined in each of the two opposed sides such that the silicon wafer includes a head portion and a first stem portion. | 03-10-2011 |
20110064370 | Systems and methods for preparing films using sequential ion implantation, and films formed using same - Systems and methods for preparing films using sequential ion implantation, and films formed using same, are provided herein. A structure prepared using ion implantation may include a substrate; an embedded structure having pre-selected characteristics; and a film within or adjacent to the embedded structure and including ions having a perturbed arrangement arising from the presence of the embedded structure. The perturbed arrangement may include the ions being covalently bonded to each other, to the embedded structure, or to the substrate, whereas the ions instead may be free to diffuse through the substrate in the absence of the embedded structure. The embedded structure may inhibit or impede the ions from diffusing through the substrate, such that the ions instead covalently bond to each other, to the embedded structure, or to the substrate. The film may include, for example, diamond-like carbon, graphene, or SiC having a pre-selected phase. | 03-17-2011 |
20110110638 | POLYMERIC OPTICAL WAVEGUIDE FILM - This invention provides a polymeric optical waveguide film possessing excellent sliding and bending resistance and machinability. This polymeric optical waveguide film is a bendable polymeric optical waveguide film comprising a first clad layer, a second clad layer, and a core held between the first and second clad layers. This polymeric optical waveguide film has grooves provided by a cutting process. A polymeric material constituting a layer, which is located on the outside of the core when the polymeric optical waveguide film is bent and a part or the whole of which has been cut in the thickness-wise direction by the cutting operation, has a tensile modulus of not less than 0.1 GPa and less than 1 GPa as measured at room temperature using a test piece having a thickness of 0.06 mm. | 05-12-2011 |
20110150406 | Reflective semiconductor optical amplifier (R-SOA) and superluminescent diode (SLD) - Provided are a reflective semiconductor optical amplifier (R-SOA) and a superluminescent diode (SLD). The R-SOA includes: a substrate; an optical waveguide including a lower clad layer, an active layer independent of the polarization of light, and an upper clad layer sequentially stacked on the substrate, the optical waveguide comprising linear, curved, and tapered waveguide areas; and a current blocking layer formed around the optical waveguide to block a flow of current out of the active layer, wherein the linear and curved waveguide areas have a single buried hetero (BH) structure, and the tapered waveguide area has a dual BH structure. | 06-23-2011 |
20120002932 | OPTICAL WAVEGUIDE - The present invention relates to an optical waveguide containing: a core formed by curing (A) a fluorine-containing polyarylene prepolymer having a crosslinkable functional group; and a cladding formed by curing (I) a curable composition containing (B) a compound having a molecular weight of 140 to 5,000, having a crosslinkable functional group and having no fluorine atom, and (A) a fluorine-containing polyarylene prepolymer. | 01-05-2012 |
20120155821 | PARTICLE FILLED POLYMER WAVEGUIDE - A polymer waveguide including a polymer matrix and particles, wherein the particles are embedded in the polymer matrix and have lower optical bulk losses than the polymer matrix. | 06-21-2012 |
20120155822 | OPTICAL WAVEGUIDE AND METHOD OF MANUFACTURING THE SAME, AND OPTICAL WAVEGUIDE DEVICE - A method of manufacturing an optical waveguide, includes forming a first light path core layer having a first light path length on a first cladding layer, forming a groove portion having an inclined surface in an end side of the first light path core layer, forming a second light path core layer having a second light path length which is longer than the first light path length, in a lateral area of the first light path core layer, forming a groove portion having an inclined surface, arranged to an outer side than the groove portion of the first light path core layer, in an end side of the second light path core layer, forming partially a metal layer on the respective inclined surfaces of the first and second light path core layer, and forming a second cladding layer covering the first and second light path core layer. | 06-21-2012 |
20120155823 | TWO-LAYER OPTICAL WAVEGUIDE AND METHOD OF MANUFACTURING THE SAME - A two-layer optical waveguide includes a core layer having a first surface and a second surface opposite to the first surface, and a cladding layer laminated on the first surface of the core layer. The two-layer optical waveguide further includes a mirror structure provided at a plurality of positions on the first surface of the core layer, the mirror structure directing a light signal which travels in the core layer, toward the second surface of the core layer. Each mirror structure includes an inclined plane formed on the first surface of the core layer, and a metal film formed on the inclined plane. | 06-21-2012 |
20120195565 | OPTICAL CONTROL DEVICE - Disclosed is an optical delay element that makes use of a line-defect waveguide of a photonic crystal, in which long optical delay time and small group speed dispersion are rendered compatible with each other and in which waveform distortion that might otherwise be produced in processing an ultra-high speed signal is eliminated. Two line-defect waveguides 5 and 11, having different pillar diameters and group velocity dispersions of opposite signs, are interconnected by a line-defect waveguide 8, the pillar diameters of which are gradually varied from one 5 of the line-defect waveguides to the other line-defect waveguide 11, such as to compensate for group speed dispersion as well as to maintain an optical delay effect. | 08-02-2012 |
20120243844 | Photonic Crystal Three-Port Circulator - Taught is a photonic crystal three-port circulator, which comprises a dielectric background material and a plurality of first air columns which are symmetrically arranged in the form of triangular lattice in the dielectric background material. The photonic crystal three-port circulator also comprises a magneto-optical cavity and three waveguides, wherein the magneto-optical cavity is arranged at the center of the photonic crystal three-port circulator; the three waveguides are symmetrically distributed around the magneto-optical cavity; and each waveguide comprises a waveguide port which is arranged at the position in the waveguide far away from the magneto-optical cavity. The photonic crystal three-port circulator realizes circular light transmission in single rotational direction from any one of the waveguide ports to another next to it, has a simple and compact structure, and can be easily integrated with other photonic crystal devices. | 09-27-2012 |
20120294579 | LIGHT GUIDE PLATE STRUCTURE - A light guide plate structure includes a light transmissive layer, which has a plurality of light guide points and/or brightness-improving holes used for altering a light route in the light transmissive layer. Each of the light guide points has a size within a range from 0.01 mm to 0.1 mm. The light guide points are distributed to form a plurality of regions corresponding to predetermined key locations. The distribution density of the light guide points in the light transmissive layer where the larger transmissive light intensity is received is smaller than that in the light transmissive layer where a relatively small transmissive light intensity is received. The distribution of the brightness-improving holes is in accordance with the brightness of transmissive light, where the sum of circumferences of all brightness-improving holes in a relatively dark region is greater than that in a relatively bright region. | 11-22-2012 |
20120301095 | SYSTEMS AND METHODS FOR PREPARING FILMS USING SEQUENTIAL ION IMPLANTATION, AND FILMS FORMED USING SAME - Systems and methods for preparing films using sequential ion implantation, and films formed using same, are provided herein. A structure prepared using ion implantation may include a substrate; an embedded structure having pre-selected characteristics; and a film within or adjacent to the embedded structure and including ions having a perturbed arrangement arising from the presence of the embedded structure. The perturbed arrangement may include the ions being covalently bonded to each other, to the embedded structure, or to the substrate, whereas the ions instead may be free to diffuse through the substrate in the absence of the embedded structure. The embedded structure may inhibit or impede the ions from diffusing through the substrate, such that the ions instead covalently bond to each other, to the embedded structure, or to the substrate. The film may include, for example, diamond-like carbon, graphene, or SiC having a pre-selected phase. | 11-29-2012 |
20130022327 | Manufacturing Method of Waveguide Having a Metal Alignment Mark - A waveguide structure includes a metal layer of a predetermined size on a substrate, a lower clad layer on the structure completely covering the metal layer, a core layer of a predetermined size on the lower clad layer at the location corresponding to the metal layer, and an upper clad layer thereon completely covering the core layer. | 01-24-2013 |
20130163942 | WAVEGUIDE FOR EFFICIENT LIGHT TRAPPING AND ABSORPTION - A waveguide is provided on which an electromagnetic wave impinges, the electromagnetic wave having a wavelength λ included in a given interval Δλ of interest centered on a λ | 06-27-2013 |
20130188918 | Double Cladding Silicon-on-Insulator Optical Structure - A SOI optical structure is provided, including a succession of a substrate, insulator layer, patterned silicon layer and first and second cladding layer. In one embodiment the substrate is made of silicon, the insulator layer and first cladding are made of silicon oxide, and the second cladding layer is made of silicon nitride. The double cladding configuration provides both light confinement within the waveguides defined by the patterned silicon layer and optical isolation, for example from metal absorption when the optical structure is metallized. The double cladding configuration may also help reducing stresses within the optical structure. | 07-25-2013 |
20130223805 | Photonic Crystal Magneto-Optical Circulator and Manufacturing Method Thereof - The invention relates to a photonic crystal magneto-optical circulator, which comprises first dielectric material columns in an air background, wherein the first dielectric material columns are arranged in the form of two-dimensional square lattice. The photonic crystal magneto-optical circulator also comprises a “T-shaped” or a “cross-shaped” photonic crystal waveguide, a second dielectric material column, four same magneto-optical material columns and at least three same third dielectric material columns, wherein the “T-shaped” or a “cross-shaped” photonic crystal waveguide comprises a horizontal photonic crystal waveguide and a vertical photonic crystal waveguide which are intercrossed; the second dielectric material column is arranged at a cross-connected position of the horizontal photonic crystal waveguide and the vertical photonic crystal waveguide and has the function of light guiding; the four same magneto-optical material columns are uniformly arranged on the periphery of the second dielectric material column; and at least three same third dielectric material columns. | 08-29-2013 |
20140119703 | Printed Circuit Board Comprising Both Conductive Metal and Optical Elements - A printed circuit board (PCB) may be provided. The PCB may comprise a first electrically conductive layer comprising a first signal layer. Also, the PCB may comprise a second electrically conductive layer comprising a second signal layer or a plane layer associated with the first signal layer. The PCB may further comprise a waveguide layer disposed between the first electrically conductive layer and adjacent the second electrically conductive layer. The waveguide layer may transmit optical signals and function as a dielectric between the first electrically conductive layer and the second electrically conductive layer. | 05-01-2014 |
20150055924 | PLASMONIC INTERFACE AND METHOD OF MANUFACTURING THEREOF - A method of manufacturing a layered material stack that includes a plasmonic interface between a plasmonic material and optical waveguide material is disclosed. The method includes providing a substrate layer, disposing a layer of plasmonic material on the substrate layer, depositing a metal constituent of an optical waveguide material directly onto the layer of plasmonic material, and anodizing the metal constituent of the optical waveguide material to form an optically transparent oxide of the metal constituent configured to couple light into the layer of plasmonic material, with the optically transparent oxide of the metal constituent forming an optical waveguide structure. | 02-26-2015 |
20150063768 | OPTICAL WAVEGUIDE STRUCTURE WITH WAVEGUIDE COUPLER TO FACILITATE OFF-CHIP COUPLING - Aspects of the invention are directed to a method for forming an optical waveguide structure. Initially, a base film stack is received with an optical waveguide feature covered by a lower dielectric layer. An etch stop feature is then formed on the lower dielectric layer, and an upper dielectric layer is formed over the etch stop feature. Subsequently, a trench is patterned in the upper dielectric layer and the etch stop feature at least in part by utilizing the etch stop feature as an etch stop. Lastly, a waveguide coupler feature is formed in the trench, at least a portion of the waveguide coupler feature having a refractive index higher than the lower dielectric layer and the upper dielectric layer. The waveguide coupler feature is positioned over at least a portion of the optical waveguide feature but is separated from the optical waveguide feature by a portion of the lower dielectric layer. | 03-05-2015 |
20150063769 | SLAB-MODE AND POLARIZATION CLEAN-UP IN SILICON PHOTONICS - Disclosed are structures and methods directed to waveguide structures exhibiting improved device performance including improved attenuation of scattered light and/or transverse magnetic modes. In an illustrative embodiment according to the present disclosure, a rib waveguide structure including a rib overlying a slab waveguide (or superimposed thereon) is constructed wherein the slab waveguide is heavily doped at a distance from the rib which has a very low overlap with rib guided modes. Advantageously, such doping may be of the P-type or of the N-type, and dopants could be any of a number of known ones including—but not limited to—boron, phosphorous, etc.—or others that increase optical propagation loss. As may be appreciated, the doped regions advantageously absorb scattered light which substantially improves the structure's performance. | 03-05-2015 |
20160054520 | METHOD AND STRUCTURE PROVIDING A FRONT-END-OF-LINE AND A BACK-END-OF-LINE COUPLED WAVEGUIDES - An integrated structure and method of formation provide a lower level waveguide having a core of a first material and a higher level waveguide having a core of a second material and a coupling region for coupling the two waveguides together. The different core materials provided different coupled waveguides having different light loss characteristics. | 02-25-2016 |
20160170139 | Integrated Semiconductor Optical Coupler | 06-16-2016 |