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| Number | Title | Issue Date |
| 8160414 | Self forming waveguides for optical coupling and methodologies for making same Systems and methods of forming an optical coupling between two optical waveguides where at least one of the optical waveguides is non-UV transmissive are disclosed. In one aspect, a self-forming waveguide (SFWG) is formed in a photosensitive material disposed betwee... | 04/17/2012 |
| 8145020 | Semiconductor device A semiconductor device includes a direct light-triggered thyristor triggered by an optical gate signal, a first optical fiber connected to the direct light-triggered thyristor and through which the optical gate signal is transmitted, a second optical fiber used to e... | 03/27/2012 |
| 8081852 | Two-ring optical buffer A two-ring optical buffer comprising a first ring operatively connected to a waveguide and a second ring, the second ring being operatively connected to only the first ring, the second ring and the first ring having a circumferential ratio substantially equal to 2 | 12/20/2011 |
| 8027557 | Optical fiber laser, and components for an optical fiber laser, having reduced susceptibility to catastrophic failure under high power operation Optical fiber lasers and components for optical fiber laser. An optical fiber laser can comprise a fiber laser cavity having a wavelength of operation at which the cavity provides output light, the cavity including optical fiber that guides light having the waveleng... | 09/27/2011 |
| 8019189 | Low-speckle light source device A laser light source device which can inexpensively achieve a visually recognizable level of speckle reduction is disclosed. The laser light source device includes: a laser module including a light source and a first optical waveguide, wherein light emitted from the... | 09/13/2011 |
| 8014643 | Photonic crystal waveguide inlet structure Disclosed herein is a photonic crystal waveguide inlet structure for improving coupling efficiency of a strip waveguide and a photonic crystal waveguide. The photonic crystal waveguide inlet structure includes an inlet region of the photonic crystal waveguide. The p... | 09/06/2011 |
| 7983519 | Photonic connection and method for enhancing alignment accuracy thereof A photonic connection includes a first fiber and a second fiber. The first fiber has a core with a first predetermined pattern defined on or in a facet thereof, and the second fiber has a core with a second predetermined pattern defined on or in a facet thereof. The... | 07/19/2011 |
| 7965914 | Critically coupled microring resonator and method A microring resonator and methods critically couple a microring waveguide to an adjacent bus waveguide. A method of determining parameters of a critically coupled microring resonator includes modeling a coupled portion of the microring resonator as a U-shaped wavegu... | 06/21/2011 |
| 7949218 | Waveguide for heat assisted magnetic recording An apparatus includes a slider mounted on an arm, a first waveguide including a first core guiding layer, a second waveguide mounted on the slider and including a second core guiding layer having a thickness smaller than the thickness of the first core guiding layer... | 05/24/2011 |
| 7949219 | Self forming waveguides for optical coupling and methodologies for making same Systems and methods of forming an optical coupling between two optical waveguides where at least one of the optical waveguides is non-UV transmissive are disclosed. In one aspect, a self-forming waveguide (SFWG) is formed in a photosensitive material disposed betwee... | 05/24/2011 |
| 7941020 | Photonic crystal resonator, a coupled cavity waveguide, and a gyroscope A rotating optical resonator, a waveguide and a method of use of waveguide are disclosed. The rotating optical resonator may include at least two modes of different resonant frequencies shiftable towards each other by reducing a magnitude of rotation rate, said mode... | 05/10/2011 |
| 7929817 | Optical multiplexer/demultiplexer An optical multiplexer/demultiplexer comprises one light guide main line which guides lights of a plurality of wavelengths, and two or more microring optical resonators directly optically coupled to the one light guide main line. The two or more microring optical re... | 04/19/2011 |
| 7885499 | Optical junction apparatus and methods employing optical power transverse-transfer A method comprises: (i) forming a first optical waveguide on a first substrate; (ii) forming a second, structurally discrete optical waveguide on a structurally discrete second substrate; (iii) assembling the second substrate or second optical waveguide with the fir... | 02/08/2011 |
| 7881575 | Low-loss optical interconnect A low-loss optical interconnect is disclosed and may include an optical interconnect system with narrow and wide waveguides joining optical devices. The system may also comprise mode converters and waveguide bends. The waveguides may be made of silicon. Other exempl... | 02/01/2011 |
| 7860360 | Monolithic signal coupler for high-aspect ratio solid-state gain media A coupler and method of coupling a signal beam between from a circular-core fiber to a rectangular-core cross section fiber includes providing an optical coupler having an optical core with a high-aspect ratio cross section at one end and a circular cross section at... | 12/28/2010 |
| 7848603 | Optical switching based on dipole induced transparency A normally opaque waveguide interacting with a drop-filter cavity can be switched to a transparent state when the drop filter is also coupled to a dipole. This dipole induced transparency may be obtained even when the vacuum Rabi frequency of the dipole is much less... | 12/07/2010 |
| 7783146 | Optical junction apparatus and methods employing optical power transverse-transfer Discrete first and second optical transmission subunits are formed each having a corresponding transmission optical waveguide with a corresponding optical junction region. The first transmission optical waveguide is a planar optical waveguide formed on a substrate. ... | 08/24/2010 |
| 7778509 | Method for incidence of light into a photonic crystal optical waveguide and structure thereof Disclosed in a method and a device in which a wave number of light in the waveguide mode of a photonic crystal optical waveguide is matched with that of the incident light, or a intensity ratio of electric field to magnetic field of the light in the waveguide mode o... | 08/17/2010 |
| 7764852 | Microresonantor systems and methods of fabricating the same Various embodiments of the present invention are related to microresonator systems and to methods of fabricating the microresonator systems. In one embodiment, a microresonator system comprises a substrate having a top surface layer and at least one waveguide embedd... | 07/27/2010 |
| 7702202 | Optical microresonator An optical device and a sensor system incorporating same are disclosed. The optical device includes a microresonator that has a core with input and output ports. The output port is different than the input port. The optical device further includes first and second o... | 04/20/2010 |
| 7634163 | Process and device for positioning an optical component between two optical fibres The invention pertains to a process and to a device for positioning an optical component between two optical fibers furnished at their end with lenses comprising: drilling a support in such a way as to fix therein a capillary tube whose inside diameter is designed t... | 12/15/2009 |
| 7630604 | Dipole induced transparency drop-filter cavity-waveguide system A normally opaque waveguide interacting with a drop-filter cavity can be switched to a transparent state when the drop filter is also coupled to a dipole. This dipole induced transparency may be obtained even when the vacuum Rabi frequency of the dipole is much less... | 12/08/2009 |
| 7627216 | Folded cavity of optoelectronic devices An optoelectronic device has at least a first facet (S), a first waveguide (2) and a second waveguide (3). The waveguides are substantially coincident at the first facet (6), such that light travelling along the first waveguide (2) is ref... | 12/01/2009 |
| 7620278 | Optical waveguide device An optical waveguide device, including: a substrate including an optical waveguide and a connecting section formed on at least one end of the optical waveguide; an optical fiber placed in the connecting section and optically connected to the optical waveguide; and a... | 11/17/2009 |
| 7616854 | Optical coupling structure The present invention provides an apparatus and method for operation therefore. The apparatus, in one embodiment, includes an optical coupling structure disposed within a cladding region, wherein the optical coupling structure includes a first guiding portion and a ... | 11/10/2009 |
| 7590319 | Preform for plastic optical material, production method thereof, optical coupling method of plastic optical fiber and connector used for optical coupling A POF includes an inner core having a refractive index distribution and an outer core provided on periphery of the inner core. A ratio Ra/Rb of an outer diameter of the inner core to the outer core satisfies 0.67≦(Ra/Rb)≦0.87 such that an outgoing beam from an e... | 09/15/2009 |
| 7567738 | Method and apparatus for minimizing propagation losses in wavelength selective filters The present invention is a method and an apparatus for minimizing losses in wavelength selective filters. In one embodiment, an apparatus includes a waveguide bus defined in a first crystalline layer of the apparatus, for receiving incoming light, a resonator define... | 07/28/2009 |
| 7532793 | Segmented waveguide coupler A planar light wave circuit may be formed with a pair of waveguides arranged in close proximity to one another. At least one of the waveguides may be segmented. Through segmentation, the average mode-field diameter may be adjusted. Controlling the average mode-field... | 05/12/2009 |
| 7529448 | System, method and apparatus for improved electrical-to-optical transmitters disposed within printed circuit boards The present invention provides a system, method and apparatus for improved electrical-to-optical transmitters (100) disposed within printed circuit boards (104). The heat sink (110, 200) is a thermal conductive material disposed within a cavity ... | 05/05/2009 |
| 7522792 | Optical element, laser light source, and two-dimensional image forming apparatus An optical element (10) according to the present invention is provided with a plurality of waveguides (11)˜(13) and a plurality of light path coupling parts (21), (22) coupling adjacent waveguides so as to optically couple said pl... | 04/21/2009 |
| 7519251 | Optical fiber with mode sink The present invention concerns an optical fiber acting as a slab-coupled waveguide. The optical fiber has a cross-section comprising a core (1), which is two dimensional and responsible for the horizontal confinement of the fiber's fundamental mode. A slab ( | 04/14/2009 |
| 7469084 | Structure comprising an adiabatic coupler for adiabatic coupling of light between two optical waveguides and method for manufacturing such a structure A structure comprises an inner strip waveguide (1) and an outer rib waveguide (2) on a common substrate. The thicker inner waveguide (1) is patterned into an inner core layer (3). The thinner outer waveguide (2) is patterned into a... | 12/23/2008 |
| 7469085 | Method and apparatus for minimizing propagation losses in wavelength selective filters The present invention is a method and an apparatus for minimizing losses in wavelength selective filters. In one embodiment, an apparatus includes a waveguide bus defined in a first crystalline layer of the apparatus, for receiving incoming light, a resonator define... | 12/23/2008 |
| 7466885 | Light source comprising a plurality of microstructured optical elements The invention relates to a light source comprising a microstructured optical element (11) that receives and spectrally spreads the light from a primary light source (3). The inventive light source is characterized in that the spectrally spread light pe... | 12/16/2008 |
| 7444041 | System, method and apparatus for improved electrical-to-optical transmitters disposed within printed circuit boards The present invention provides a system, method and apparatus for improved electrical-to-optical transmitters (100) disposed within printed circuit boards (104). The heat sink (110, 200) is a thermal conductive material disposed within a cavity ... | 10/28/2008 |
| 7444050 | S-shaped curved optical waveguide and optical device The present invention relates to a curved optical waveguide which is free of any axis-deviation structure in the middle of the waveguide and which has a sigmoidal core shape, wherein the curvature thereof at one end is zero and the curvature thereof at the other end... | 10/28/2008 |
| 7444045 | Hybrid sphere-waveguide resonators Microresonators, such as a microsphere resonators and planar microresonators, are optically coupled to waveguides for input and output of light. It is important that the relative positions of the microresonator and the waveguide are maintained stable, while still ma... | 10/28/2008 |
| 7440703 | High-speed, silicon-based electro-optic modulator with feedback control An electro-optic modulator arrangement for achieving switching speeds greater than 1 Gb/s utilizes pre-emphasis pulses to accelerate the change in refractive index of the optical waveguide used to form the electro-optic modulator. In one embodiment, a feedback loop ... | 10/21/2008 |
| 7437037 | Optical module having gain member and partial reflection section waveguides formed on a substrate The present invention is directed to an optical module, which stabilizes an oscillation characteristic of a laser by means of a simple configuration. To this end, a gain member, a partial reflection section connected to the gain member, and an optical device section... | 10/14/2008 |
| 7437031 | Optical devices with multiple wafers containing planar optical waveguides A method for fabricating an optical device wherein the device comprises a first substrate wafer with at least one buried optical waveguide on an approximately flat planar surface of the substrate and a second substrate wafer with at least a second buried optical wav... | 10/14/2008 |
