Featured patents

Multi-Band Reconfigurable Optical Add-Drop Multiplexer (ROADM) System
US 08855494 B2, Oct. 7, 2014, Add or drop, Glenn A. Wellbrock et al. / Verizon Patent and Licensing Inc. (Basking Ridge, US)
A system comprising:…

Generating Higher-Level Quadrature Amplitude Modulation (QAM) Using a Delay Line Interferometer and Systems and Methods Incorporating Same
US 08805204 B2, Aug. 12, 2014, Having particular modulation, Hongbin Zhang et al. / Tyco Electronics Subsea Communications LLC (Eatontown, US)
An optical communication method comprising:…

Combination Network Fiber Connector and Light Pipe
US 08861972 B2, Oct. 14, 2014, Single device as transmitter and receiver, Lucy G. Hosking / Finisar Corporation (Sunnyvale, US)
A transceiver module comprising:…

Methods and Arrangements in Optical Network
US 08861964 B2, Oct. 14, 2014, Bidirectional, Ling Chen et al. / Telefonaktiebolaget L M Ericsson (publ) (Stockholm, SE
A method in an optical network unit (ONU) for time distribution in an optical…

System and Method for Performing In-Service Optical Fiber Network Certification
US 08655166 B2, Feb. 18, 2014, Fiber or waveguide, Walter G Soto et al.
A method of performing optical measurements of an optical fiber from a network…

Wavelength Switch System Using Angle Multiplexing Optics
US 08611742 B2, Dec. 17, 2013, Wavelength, Long Yang et al. / Capella Photonics, Inc. (San Jose, US)
A wavelength switch system for dynamic switching of multi-channel optical signals…

Systems and Methods for Storing Optical Data
US 08582972 B2, Nov. 12, 2013, By specific optical element, Assaf Shacham et al. / The Trustees of Columbia University in the City of New York (New York, US)
A method for storing data in an optical packet buffer that forms part…

System and Method for Operating Transparent Node for WDM Shared “virtual Ring” Networks
US 08532485 B2, Sept. 10, 2013, Broadcast and distribution system, Nicholas J. Frigo et al. / AT&T Intellectual Property II, L.P. (Atlanta, US)
A bi-directional network node comprising:…

Optical Communication Apparatus and Optical Add/Drop Apparatus
US 08521039 B2, Aug. 27, 2013, Including specific optical elements, Hideyuki Miyata et al. / Fujitsu Limited (Kawasaki, JP)
An optical communication apparatus comprising:…

Optical Cross-Connect Apparatus
US 08498537 B2, July 30, 2013, Wavelength, Yasuhiro Uchiyama et al. / Hitachi, Ltd. (Tokyo, JP)
An optical cross-connect apparatus comprising:…

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