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Class Information
Number: 385/42
Name: Optical waveguides > With optical coupler > Particular coupling structure > Directional coupler
Description: Subject matter wherein interconnected optical paths of a coupler enable input on a first optical path to be coupled only to a second optical path for optical beam transmission and a received optical beam on a third optical path is coupled only to the first optical path.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7590312 |
Interferometer optical switch and variable optical attenuator |
Sep. 15, 2009 |
| 7583894 |
Interferometric operation of electroabsorption modulators |
Sep. 1, 2009 |
| 7577327 |
Optical junction apparatus and methods employing optical power transverse-transfer |
Aug. 18, 2009 |
| 7555180 |
Optical branching component with low polarisation sensitivity and increased process tolerance |
Jun. 30, 2009 |
| 7548672 |
Fiber-based light source device |
Jun. 16, 2009 |
| 7546014 |
Optical directional coupler |
Jun. 9, 2009 |
| 7542653 |
Passive fiber organizer for mesh network node interconnections |
Jun. 2, 2009 |
| 7529448 |
System, method and apparatus for improved electrical-to-optical transmitters disposed within printed circuit boards |
May. 5, 2009 |
| 7515779 |
Optical semiconductor device |
Apr. 7, 2009 |
| 7499615 |
System and methods for routing optical signals |
Mar. 3, 2009 |
| 7492992 |
Bi-directional PLC transceiver device |
Feb. 17, 2009 |
| 7492977 |
All-fiber current sensor |
Feb. 17, 2009 |
| 7480429 |
Chip to Chip optical interconnect |
Jan. 20, 2009 |
| 7466881 |
Optical switch |
Dec. 16, 2008 |
| 7463795 |
Acousto-optic device |
Dec. 9, 2008 |
| 7460757 |
Distributor system and method for fibre optic cables |
Dec. 2, 2008 |
| 7457491 |
System, method and apparatus for improved electrical-to-optical transmitters disposed within printed circuit boards |
Nov. 25, 2008 |
| 7457498 |
Optical waveguide structure |
Nov. 25, 2008 |
| 7450788 |
Optical splitter/coupler and optical communication system |
Nov. 11, 2008 |
| 7447400 |
Optical waveguide substrate and method of fabricating the same |
Nov. 4, 2008 |
| 7444045 |
Hybrid sphere-waveguide resonators |
Oct. 28, 2008 |
| 7437037 |
Optical module having gain member and partial reflection section waveguides formed on a substrate |
Oct. 14, 2008 |
| 7415178 |
Spiral waveguide slow wave resonator structure |
Aug. 19, 2008 |
| 7415174 |
Dual optical channel monitor assembly and associated methods of manufacture and use |
Aug. 19, 2008 |
| 7400788 |
Linearized optical modulator having a plurality of coupling functions |
Jul. 15, 2008 |
| 7389033 |
Planar lightwave circuit type variable optical attenuator |
Jun. 17, 2008 |
| 7376294 |
Optoelectronic component with an adjustable optical property and method for producing the layer structure |
May. 20, 2008 |
| 7373039 |
Low-ripple optical device |
May. 13, 2008 |
| 7369726 |
Optical communication between face-to-face semiconductor chips |
May. 6, 2008 |
| 7359598 |
Surface plasmon optic devices and radiating surface plasmon sources for photolithography |
Apr. 15, 2008 |
| 7340116 |
Optical switch, optical modulator and wavelength variable filter |
Mar. 4, 2008 |
| 7336854 |
Optical switch, optical modulator and wavelength variable filter |
Feb. 26, 2008 |
| 7335875 |
Optical branching unit, and method of manufacturing the same |
Feb. 26, 2008 |
| 7330619 |
Laser and photodetector coupled by planar waveguides |
Feb. 12, 2008 |
| 7319820 |
Method of manufacturing optical communication system |
Jan. 15, 2008 |
| 7308173 |
Optical fiber coupler with low loss and high coupling coefficient and method of fabrication thereof |
Dec. 11, 2007 |
| 7302140 |
Optical switch and matrix optical switch |
Nov. 27, 2007 |
| 7292746 |
All-optical flip-flop |
Nov. 6, 2007 |
| 7280760 |
Upgradeable optical add/drop multiplexer |
Oct. 9, 2007 |
| 7269310 |
Optical connector, optical coupling method and optical element |
Sep. 11, 2007 |
| 7260295 |
Optical waveguide and optical transmitting/receiving module |
Aug. 21, 2007 |
| 7257296 |
Optical waveguide element with directional coupler |
Aug. 14, 2007 |
| 7254290 |
Enhanced waveguide metrology gauge collimator |
Aug. 7, 2007 |
| 7254299 |
High-tolerance broadband-optical switch in planar lightwave circuits |
Aug. 7, 2007 |
| 7221844 |
Optical waveguide circuit component and method of manufacturing the same |
May. 22, 2007 |
| 7218527 |
Apparatuses and methods for forming smart labels |
May. 15, 2007 |
| 7215846 |
Mode discriminating on-chip optical coupler for an optical receiver connected to dual mode/multimode fiber |
May. 8, 2007 |
| 7215848 |
Optical isolator utilizing a micro-resonator |
May. 8, 2007 |
| 7203422 |
Optical network unit, wavelength splitter, and optical wavelength-division multiplexing access system |
Apr. 10, 2007 |
| 7203396 |
All optical chopping using logic gates apparatus and method |
Apr. 10, 2007 |
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