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Class Information
Number: 385/45
Name: Optical waveguides > With optical coupler > Particular coupling structure > "y" coupler
Description: Subject matter wherein the coupler has three waveguide legs joined at the center in a "Y" shape which connects an input port to two output ports or two input ports to a single output port.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7603017 |
Multi-color curved multi-light generating apparatus |
Oct. 13, 2009 |
| 7600905 |
Light unit and exterior mirror with a light unit |
Oct. 13, 2009 |
| 7590325 |
Two-dimensional photonic crystal optical multiplexer/demultiplexer |
Sep. 15, 2009 |
| 7587119 |
Optical waveguide device |
Sep. 8, 2009 |
| 7583894 |
Interferometric operation of electroabsorption modulators |
Sep. 1, 2009 |
| 7580594 |
Optical modulation element and optical modulation device having the same |
Aug. 25, 2009 |
| 7574081 |
Optical system with optical waveguides |
Aug. 11, 2009 |
| 7558456 |
Optical waveguide device |
Jul. 7, 2009 |
| 7529447 |
Optical waveguide devices |
May. 5, 2009 |
| 7519240 |
Multi-section coupler to mitigate guide-guide asymmetry |
Apr. 14, 2009 |
| 7509005 |
Resistive heater for thermo optic device |
Mar. 24, 2009 |
| 7499613 |
Y branch circuit and method for manufacturing the same |
Mar. 3, 2009 |
| 7496254 |
Curved optical waveguide and optical device |
Feb. 24, 2009 |
| 7492977 |
All-fiber current sensor |
Feb. 17, 2009 |
| 7492992 |
Bi-directional PLC transceiver device |
Feb. 17, 2009 |
| 7479664 |
Fiber optic phototherapy devices including LED light sources |
Jan. 20, 2009 |
| 7474812 |
Monitor photodetector equipped optical modulator |
Jan. 6, 2009 |
| 7460757 |
Distributor system and method for fibre optic cables |
Dec. 2, 2008 |
| 7457498 |
Optical waveguide structure |
Nov. 25, 2008 |
| 7450788 |
Optical splitter/coupler and optical communication system |
Nov. 11, 2008 |
| 7450803 |
Optical waveguide |
Nov. 11, 2008 |
| 7447389 |
Optical modulator |
Nov. 4, 2008 |
| 7443591 |
Homogenizing optical beam combiner |
Oct. 28, 2008 |
| 7444050 |
S-shaped curved optical waveguide and optical device |
Oct. 28, 2008 |
| 7433561 |
All-optical phase, wavelength, and polarization-insensitive wavelength converters |
Oct. 7, 2008 |
| 7428356 |
Homogenizing polygonal shape inverted "Y" optical beam splitter |
Sep. 23, 2008 |
| 7400801 |
Bidirectional HDCP module using single optical fiber and waveguide combiner/splitter |
Jul. 15, 2008 |
| 7391954 |
Attenuated optical splitter module |
Jun. 24, 2008 |
| 7386197 |
Method and apparatus for wafer level testing of integrated optical waveguide circuits |
Jun. 10, 2008 |
| 7386214 |
Homogenizing optical beam combiner |
Jun. 10, 2008 |
| 7373025 |
Waveguide-type optical device |
May. 13, 2008 |
| 7362929 |
Optical switch |
Apr. 22, 2008 |
| 7362933 |
Optical branching unit |
Apr. 22, 2008 |
| 7359598 |
Surface plasmon optic devices and radiating surface plasmon sources for photolithography |
Apr. 15, 2008 |
| 7356227 |
Optical switch, optical modulator and wavelength variable filter |
Apr. 8, 2008 |
| 7352934 |
Three dimensional high index optical waveguides bends and splitters |
Apr. 1, 2008 |
| 7343070 |
Optical splitter with tapered multimode interference waveguide |
Mar. 11, 2008 |
| 7343071 |
Optical component and a method of fabricating an optical component |
Mar. 11, 2008 |
| 7340116 |
Optical switch, optical modulator and wavelength variable filter |
Mar. 4, 2008 |
| 7329050 |
Tapered, single-mode optical connector |
Feb. 12, 2008 |
| 7330619 |
Laser and photodetector coupled by planar waveguides |
Feb. 12, 2008 |
| 7330620 |
Low loss funnel-type PLC optical splitter with input cladding mode absorption structure and/or output segmented taper structure |
Feb. 12, 2008 |
| 7310453 |
Optical modulator |
Dec. 18, 2007 |
| 7308174 |
Optical device including a filter member for dividing a portion of signal light |
Dec. 11, 2007 |
| 7305163 |
Fiber optic phototherapy devices including LED light sources |
Dec. 4, 2007 |
| 7302140 |
Optical switch and matrix optical switch |
Nov. 27, 2007 |
| 7302141 |
Y-branch-based thermo-optic digital optical switches and variable optical attenuators with non-uniform heating |
Nov. 27, 2007 |
| 7289728 |
Use of variable ratio couplers for network protection and recovery |
Oct. 30, 2007 |
| 7286731 |
Monolithically integrated optical coupler with substantially no splitting loss |
Oct. 23, 2007 |
| 7286733 |
Light guide body |
Oct. 23, 2007 |
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