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| Number | Title | Issue Date |
| 8175429 | Microresonator systems and methods of fabricating the same Various embodiments of the present invention are related to microresonator systems that can be used as a laser, a modulator, and a photodetector and to methods for fabricating the microresonator systems. In one embodiment, a microdisk comprises: a top layer; a botto... | 05/08/2012 |
| 8150220 | Optical waveguide with light-emitting element and optical touch panel with the same A main path in an optical waveguide with a light-emitting element has two sides faced to each other: one side has a plurality of branched points and the other side does not have any branched points. A width W of the main path becomes narrower as the main path moves ... | 04/03/2012 |
| 8078022 | Optical cable module and apparatus using the same An optical cable module is mainly provided with: an optical waveguide (10), a light-receiving element (11) and a supporting substrate (14) at its end portion of the light releasing side. The end portion of the optical waveguide (10) is fi... | 12/13/2011 |
| 8036504 | Loop back device and method of fabrication Methods tune all fiber loops in a loop back device to an established insertion loss value to produce a consistent overall loss of the loop back device. One method involves establishing a desired loss for fiber loops, securing the fiber loops to a MT ferrule, measuri... | 10/11/2011 |
| 8014640 | Optical power monitoring with robotically moved macro-bending A method may include bending a first optical fiber of a plurality of optical fibers; measuring light leaked from the first optical fiber with a photo detector; robotically moving the photo detector to a second optical fiber of the plurality of optical fibers; bendin... | 09/06/2011 |
| 8009944 | Optical waveguide and optical touch panel An optical waveguide 30 having a bending groove 34 parallel to two long sides of a rectangular shape thereof. The optical waveguide 30 is bent along the bending groove 34 so as to come into close contact with a frame of an optical touch p... | 08/30/2011 |
| 8009945 | Beam area adjustment through fiber bending A method positions a first end of an optic fiber a distance from a target and applies a laser light to a second end of the optic fiber such that the laser light is guided by the optic fiber from the second end to the first end of the optic fiber and is emitted from ... | 08/30/2011 |
| 7983517 | Wavelength-tunable optical ring resonators Optical ring resonator devices are disclosed that can be used for optical filtering, modulation or switching, or for use as photodetectors or sensors. These devices can be formed as microdisk ring resonators, or as open-ring resonators with an optical waveguide havi... | 07/19/2011 |
| 7970244 | Fabrication of an optical ring resonator device An embodiment of a method for manufacturing an optical ring resonator device is disclosed. The method forms a ring resonator waveguide on a semiconductor substrate, forms an unoriented electro-optic polymer cladding over the ring resonator waveguide, and forms elect... | 06/28/2011 |
| 7941015 | Ring light emitting diode An optical apparatus includes an optical resonator ring having at least one active region. The active region is configured to generate optical energy under an electrical stimulus. The optical apparatus also includes a corrugated plasmonic body disposed around at lea... | 05/10/2011 |
| 7941016 | Optical waveguide for touch panel and touch panel using the same A touch panel optical waveguide which obviates the need for positioning light receiving cores of the optical waveguide with respect to light emitting cores of the optical waveguide, and to provide a touch panel employing the optical waveguide. A projection (5... | 05/10/2011 |
| 7941014 | Optical waveguide device with an adiabatically-varying width Optical waveguide devices are disclosed which utilize an optical waveguide having a waveguide bend therein with a width that varies adiabatically between a minimum value and a maximum value of the width. One or more connecting members can be attached to the waveguid... | 05/10/2011 |
| 7848601 | Integrated optical latch Techniques are disclosed for optical switching and data control, without the interaction of electronic switching speeds. In one example embodiment, a common cavity optical latch is provided that that can hold an optical state for an extended period of time, and the ... | 12/07/2010 |
| 7801400 | Manufacturing method of optical device and optical device A method of manufacturing an optical device involves forming patterns on a dielectric substrate. The patterns include a waveguide pattern having a folded part, a conductor pattern positioned on an outer peripheral side of the folded part, and a dummy pattern that co... | 09/21/2010 |
| 7773841 | Optical turnaround Fiber optic sensors commonly require a 180 degree turnaround to form a continuous optical circuit. Methods and apparatus for providing 180 degree turnarounds in a fiber optic system that include a shorter radius turnaround then provided by micro-bending the optic fi... | 08/10/2010 |
| 7729576 | Modulated signal resonators Various embodiments and methods utilizing resonators that differently receive electromagnetic radiation from a modulated signal are disclosed. ... | 06/01/2010 |
| 7693369 | Hollow core optical ring resonator sensor, sensing methods, and methods of fabrication The present invention is directed to hollow core optical ring resonators (HCORRs), methods of fabricating HCORRs, and methods of using HCORRs in sensing applications. In particular, the evanescent field and whispering gallery modes of the HCORRs may be used to detec... | 04/06/2010 |
| 7668420 | Optical waveguide ring resonator with an intracavity active element 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, an intra... | 02/23/2010 |
| 7639910 | Optical module and method of packaging the same An optical module is configured with a combination of a single-mode oscillating light source and an optical filter. In this optical module, the single-mode oscillating light source outputs a single-mode, frequency-modulated signal. Further, the optical filter conver... | 12/29/2009 |
| 7627209 | Optical waveguide for touch panel An optical waveguide for a touch panel which is arranged for prevention of breakage of bending portions thereof and reduction in light loss. The optical waveguide for a touch panel is configured in a band shape so as to be wrapped around a periphery of a display of ... | 12/01/2009 |
| 7616850 | Wavelength-tunable optical ring resonators Optical ring resonator devices are disclosed that can be used for optical filtering, modulation or switching, or for use as photodetectors or sensors. These devices can be formed as microdisk ring resonators, or as open-ring resonators with an optical waveguide havi... | 11/10/2009 |
| 7583874 | Controlling optical resonances via optically induced potentials Influence of distance between two coupled strong-confinement photonic devices on optically resonant condition thereof and/or on optical forces. ... | 09/01/2009 |
| 7574082 | Optical power monitoring with robotically moved macro-bending A method may include bending a first optical fiber of a plurality of optical fibers; measuring light leaked from the first optical fiber with a photo detector; robotically moving the photo detector to a second optical fiber of the plurality of optical fibers; bendin... | 08/11/2009 |
| 7567737 | Variable light signal delay apparatus, and variable light signal delay system using the same A variable light signal delay apparatus includes a first delay optical fiber, a second delay optical fiber having a length different from the first delay optical fiber, and an optical switch having two input ports, two output ports, and paths, through which a light ... | 07/28/2009 |
| 7561769 | Optical fiber for irradiation-light transfer and light irradiation device equipped with the same An object of this invention to transfer the light emitted from the light source and exit the light with a uniform distribution of light quantity, without incurring transfer loss and an increase of costs. In this invention, an optical fiber 11 for irrad... | 07/14/2009 |
| 7561770 | Microresonator systems and methods of fabricating the same Various embodiments of the present invention are related to microresonator systems that can be used as a laser, a modulator, and a photodetector and to methods for fabricating the microresonator systems. In one embodiment, a microresonator system comprises a substra... | 07/14/2009 |
| 7558451 | Optical fiber line arranging guide groove capable of sensing optical signals An optical fiber line arranging guide groove capable of sensing optical signals is provided for detecting the status of optical signals in the optical fiber line. Through an optical detection circuit and a display element, the connection status of optical signals fo... | 07/07/2009 |
| 7539375 | Optical coupled resonator structures based on loop-coupled cavities and loop coupling phase A resonator structure includes an input waveguide and an output waveguide. In one embodiment, the resonator structure also includes at least one resonator that couples the input waveguide to the output waveguide and a directional coupler that optically couples the i... | 05/26/2009 |
| 7532790 | Method of coupling light into microresonators A method of making a microresonator device includes the steps of providing at least a first substrate and providing a waveguide integrated on the substrate. The waveguide includes a core and a metal cladding layer on at least part of one boundary of the core. Anothe... | 05/12/2009 |
| 7526157 | Point-to-point optical fibre link Point-to-point link for the transmission of digital signals includes two opto-electronic conversion apparatuses and an optical cable including at least one optical fiber having two terminal portions, each opto-electronic conversion apparatus including an opto-electr... | 04/28/2009 |
| 7509003 | Optical waveguide, optical device, and manufacturing method of the optical waveguide An optical waveguide has a diffusion area (optical waveguide) with a high refractive index formed by diffusing impurities on a substrate. The diffusion area has a bent portion, and the optical waveguide includes: a groove formed by cutting the substrate along the di... | 03/24/2009 |
| 7496254 | Curved optical waveguide and optical device A curved optical waveguide comprising a core and a clad, characterized in that: the core shape of the curved optical waveguide has no reversal of a curvature on a halfway; and curvatures at both ends of the curved optical waveguide gradually approach zero. A curved ... | 02/24/2009 |
| 7486855 | Optical microresonator An optical microresonator system and a sensor system incorporating same are disclosed. The optical microresonator system includes an optical waveguide and an optical microcavity that is optically coupled to the optical waveguide. The microcavity is capable of suppor... | 02/03/2009 |
| 7450800 | Precise and permanent modification of the resonant frequency of a dielectric microcavity and correction of frequency shifts in dielectric coupled-resonator filters A coupled resonator includes a plurality of resonators such that at least one of the resonators is modified so as to adjust the resonant frequency associated with the coupled resonator. ... | 11/11/2008 |
| 7444047 | Multiplexing optical system A multiplexing optical system includes collimator lenses, a first condensing lens, a second condensing lens and an optical fiber. The collimator lenses collimate divergent laser beams that have been emitted from semiconductor lasers. The first condensing lens conden... | 10/28/2008 |
| 7441965 | Connector A connector is disclosed that includes a housing and a module assembly disposed inside the housing. The module assembly includes a semiconductor element, a light receiving element, a light emitting element, a positioning plate in which a positioning hole is formed, ... | 10/28/2008 |
| 7440651 | Single mode whispering-gallery-mode resonator Whispering-gallery-mode (WGM) resonators configured to support only a single whispering gallery mode. ... | 10/21/2008 |
| 7434940 | Light coupling system and method A light coupling system includes a waveguide, configured to receive light from at least two light sources and to internally reflect light therein; a diffraction grating, disposed upon the waveguide; and a switchable Bragg grating, disposed upon the waveguide. The di... | 10/14/2008 |
| 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 |
| 7426324 | Optical rotating data transmission system with a cleaning device An optical transmission system in a computer tomograph for transmitting modulated optical signals between a first unit and a second unit, the first unit being supported to be rotatable relative to the second unit, comprises: a light guide disposed along a circular o... | 09/16/2008 |