| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 385132000 | Channel waveguide | 23 |
| 20080226248 | Process for Producing Optical Device - The present invention provides a method of producing an optical element without the need for high vacuum, unlike the thin film deposition methods, and without using a molten salt. More specifically, the invention provides a method of producing an optical element comprising applying a paste containing at least one compound selected from lithium compounds, potassium compounds, rubidium compounds, cesium compounds, silver compounds, and thallium compounds, an organic resin, and an organic solvent to a glass substrate containing an alkali metal component as a glass component and then performing heat treatment at a temperature below the softening temperature of the glass substrate. | 09-18-2008 |
| 20080253728 | 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 surface of the waveguide core. A waveguide cladding layer is disposed on at least the waveguide core sidewall and top surfaces, over the interface layer. The waveguide of the invention can be produced by forming a waveguide undercladding layer on a substrate, and then forming a waveguide core on the undercladding layer. An interface layer is then formed on at least a longitudinal sidewall surface of the waveguide core, and an upper cladding layer is formed on a longitudinal top surface and on longitudinal sidewall surfaces of the waveguide core, over the interface layer. | 10-16-2008 |
| 20080317423 | Embedded Channels, Embedded Waveguide And Methods Of Manufacturing And Using The Same - Waveguide(s) ( | 12-25-2008 |
| 20080317424 | Optical module and optical switching device - The invention relates to an optical device which can increase the spread of a beam diameter in the depthwise direction by a simple configuration in comparison with that by prior art devices. The optical device includes a substrate, an optical path formed on the substrate, and a diffraction propagation region, provided between the optical path and an end face of the substrate, for propagating light emitted from the optical path with diffraction. The diffraction propagation region includes a first groove, formed therein, adapted to block part of components of the propagated light in a depthwise direction of the substrate. | 12-25-2008 |
| 20090022466 | FILM-SHAPED OPTICAL WAVEGUIDE PRODUCTION METHOD - A film-shaped optical waveguide production method which ensures easy production of individual film-shaped optical waveguides without the need for cutting and stamping. A plurality of film-shaped optical waveguide formation regions are defined on a substrate ( | 01-22-2009 |
| 20090097812 | Optical waveguide device and fabricating method thereof - Optical waveguide device has waveguide strip-shaped in the depth direction of the drawing and protruding from peripheral portion. A core (not illustrated) is disposed inside waveguide. Wall to be cut is integrated with waveguide to form one core layer. No unevenness occurs in a cutting line of wall indicated with broken line. Accordingly, high-precision cutting is enabled by cutting wall along the cutting line. | 04-16-2009 |
| 20090148115 | WAVEGUIDE STRUCTURE - A waveguide structure is provided. The waveguide structure includes: a slot channel waveguide including first and second patterns, which are spaced apart from each other to define a slot; a first upper layer covering at least a portion of the slot channel waveguide; and a second upper layer covering the remaining portion of the slot channel waveguide. A thermo-optic coefficient (TOC) of the channel waveguide times a TOC of the second upper layer is a negative number. | 06-11-2009 |
| 20090175586 | DEVICE FOR LIGHT-BASED PARTICLE MANIPULATION ON WAVEGUIDES - An optical waveguide is provided which comprises a non-solid core layer surrounded by a solid-state material, and two light sources capable of introducing light into said non-solid core at opposite ends along a Z-axis of said non-solid core to form two propagating light beams applying force in opposing directions. An integrated optical particle trap device for controlling the placement of small sample particles incorporates the optical waveguide. | 07-09-2009 |
| 20090232465 | Optical Waveguide Device and Method for Fabricating Optical Waveguide Device - An optical waveguide device in which optical loss is reduced. An optical waveguide film cable ( | 09-17-2009 |
| 20090252471 | CONDENSATION PRODUCTS OF SILICIC ACID DERIVATIVES AND OPTICAL WAVEGUIDE DEVICES USING THE SAME - The present invention relates to condensation products of silicic acid derivatives usable especially in optical waveguides and particularly to a condensation product obtained by condensing a silane diol compound (A) of the general formula (1): R | 10-08-2009 |
| 20090269017 | Optical waveguide device - In An optical waveguide device, an output light reflected by a reflective groove can be monitored with a phase identical to a signal light. The optical waveguide device includes a substrate; an optical waveguide formed in a plane of the substrate and having a normal line with a predetermined angle relative to an optical axis of the optical waveguide; a reflective groove formed on the optical waveguide; and a monitor device to monitor an output light reflected by the reflective groove, wherein the reflective groove has as much depth as approaching a half or less of a mode field of a waveguided light propagated through the optical waveguide, to reflect a portion of the waveguided light. | 10-29-2009 |
| 20090317044 | Nanocomposites - This invention provides composite materials comprising nanostructures (e.g., nanowires, branched nanowires, nanotetrapods, nanocrystals, and nanoparticles). Methods and compositions for making such nanocomposites are also provided, as are articles comprising such composites. Waveguides and light concentrators comprising nanostructures (not necessarily as part of a nanocomposite) are additional features of the invention. | 12-24-2009 |
| 20100046903 | STRUCTURE OF OPTIC FILM - An optic film has a surface on which a plurality of rib-like micro light guides is formed. Each micro light guide includes a plurality of ridges, which are of different heights and show variation of height. Either a high ridge or a low ridge of the micro light guide is made a continuous left-and-right wavy configuration and/or a continuous up-and-down height-variation configuration. The high ridge has a top that is rounded, whereby by means of the rounded top of the high ridge, the high ridge of the optic film is protected from abrasion and wear or is prevented from causing damage to other parts of an optic device. Thus, protection of the optic film and other parts can be realized. | 02-25-2010 |
| 20100172620 | Optical Axis Converting Element and Method for Manufacturing the Same - Disclosed in a multichannel optical waveguide device characterized by comprising: a structure including a cladding and having a light-incident end surface, a light-outgoing end surface, and a plurality of flat reflection surfaces located parallel with each other; and L-shaped cores embedded in the cladding, the L-shaped cores being three-dimensionally arranged parallel with each other in m rows and n columns (where m and n are 2 or more), each L-shaped core having end faces which are exposed respectively to the light-incident end surface and the light-outgoing end surface, m number of the L-shaped cores in each column guiding light from the light-incident end surface to the light-outgoing end surface by changing direction of light on n number of the flat reflection surfaces, wherein an interval between the two adjacent cores on the light-incoming end surface is different from an interval between the two adjacent cores on the light-outgoing end surface, the two adjacent cores on the light-incoming end surface respectively corresponding to the two adjacent cores on the light-outgoing end surface. | 07-08-2010 |
| 20100284660 | Method of fabricating a planar substrate having optical waveguides - A method of producing a planar substrate having waveguide channels, which method comprises: (i) providing a tube ( | 11-11-2010 |
| 20110274399 | STRUCTURE OF A MICRONANOSTRUCTURE OPTICAL WAVE GUIDE FOR CONTROLLING BIREFRINGENCE - The invention relates to a waveguide structure comprising a supporting substrate and a waveguide comprising at least one guide layer having a refractive index n | 11-10-2011 |
| 20110293233 | Semiconductor Constructions, Methods of Forming Semiconductor Constructions, Light-Conducting Conduits, and Optical Signal Propagation Assemblies - The invention includes optical signal conduits having rare earth elements incorporated therein. The optical signal conduits can, for example, contain rare earth elements incorporated within a dielectric material matrix. For instance, erbium or cerium can be within silicon nanocrystals dispersed throughout dielectric material of optical signal conduits. The dielectric material can define a path for the optical signal, and can be wrapped in a sheath which aids in keeping the optical signal along the path. The sheath can include any suitable barrier material, and can, for example, contain one or more metallic materials. The invention also includes methods of forming optical signal conduits, with some of such methods being methods in which the optical signal conduits are formed to be part of semiconductor constructions. | 12-01-2011 |
| 20130223806 | NEAR FIELD TRANSDUCER FOR FOCUSED OPTICAL POWER DELIVERY - An apparatus includes a channel waveguide, a ridge waveguide including a ridge and having a bottom surface, a coupler between the channel waveguide and the ridge waveguide, the coupler including an opening configured to transmit light from the channel waveguide to the ridge waveguide, wherein the opening has a first segment having a first width and a second segment having a second width different from the first width, and a protrusion extending from the ridge beyond the plane of the bottom surface. | 08-29-2013 |
| 20150036991 | METHOD OF MAKING A METAL GRATING IN A WAVEGUIDE AND DEVICE FORMED - A method of making a grating in a waveguide includes forming a waveguide material over a substrate, the waveguide material having a thickness less than or equal to about 100 nanometers (nm). The method further includes forming a photoresist over the waveguide material and patterning the photoresist. The method further includes forming a first set of openings in the waveguide material through the patterned substrate and filling the first set of openings with a metal material. | 02-05-2015 |
| 20150093086 | APPARATUS FOR COMPENSATING IMAGE, DISPLAY DEVICE AND JOINT DISPLAY - The present invention provides an image compensating device for a joint display. The image compensating device includes a light incident surface, a parallel light emitting surface, and a plurality of light guiding channels extending from the light incident surface to the light emitting surface. The light emitting surface of image compensating device is greater than the light incident surface. The section area of each light guiding channel is gradually increased from the light incident surface to the light emitting surface, by which to extend the image provided by the peripheral region of each cell of the joint display and provide a seamless joint image. | 04-02-2015 |
| 20150093087 | APPARATUS FOR COMPENSATING IMAGE OF DISPLAY AND DISPLAY ASSEMBLY - An image compensating portion located on a display panel includes a light incident surface, a light emitting surface, and a plurality of light guiding channels parallel with each other. The display panel includes a main display region and a periphery display region. A projection of the light emitting surface on the light incident surface is larger than an area of the light incident surface. The light guiding channel guides lights from the light incident surface to be emitted from the light emitting surface for being extended. | 04-02-2015 |
| 20160004011 | METHOD FOR POLISHING PHOTONIC CHIPS - A method for polishing photonic chips is described. A gauge is placed in a photonic chip adjacent to an edge to be polished. The gauge includes a set of bars of various lengths. The bar lengths can be progressively ordered from shortest to longest or vice versa. The photonic chip is then secured in a chip polishing jig to get ready for polishing. When the photonic chip is being polished, an operator can visually inspect the gauge by looking at the polishing edge to estimate a polishing depth in order to determine a stopping point for polishing. Once the stopping point has been reached, the polishing of the photonic chip can be stopped. | 01-07-2016 |
| 20160187579 | WAVEGUIDE ARRANGEMENT - The invention relates to a waveguide arrangement ( | 06-30-2016 |
