Featured patents

Protocols for Out-Of-Band Communication
US 08798457 B2, Aug. 5, 2014, Test signal, Gayle L. Noble / Finisar Corporation (Sunnyvale, US)
A transceiver module comprising:…

Coherent Receiver Apparatus and Chromatic Dispersion Compensation Method
US 08861979 B2, Oct. 14, 2014, Including polarization, Ning Liu / Huawei Technologies Co., Ltd. (Shenzhen, CN)
A coherent receiver apparatus, comprising a polarization beam splitter…

Reconfigurable Optical Add Drop Multiplexer Node Automated Topology Discovery Systems and Methods
US 08774632 B2, July 8, 2014, Add or drop, Jean-Luc Archambault / Ciena Corporation (Hanover, US)
A degree in a reconfigurable optical add drop multiplexer node, comprising:…

Optical Receiver and Optical Transmission System
US 08768173 B2, July 1, 2014, Including compensation, Takahito Tanimura et al. / Fujitsu Limited (Kawasaki, JP)
An optical receiver receiving an optical signal including a reference signal,…

Multicore Fiber Transmission Systems and Methods
US 08725001 B2, May 13, 2014, Redundant fibers, Man F. Yan et al. / OFS Fitel, LLC (Norcross, US)
An optical access network, comprising:…

Control Apparatus, Polarization Multiplexing Light Modulator, Light Transmitting Apparatus, and Method of Controlling Polarization Multiplexing Light Modulator
US 08693870 B2, April 8, 2014, Polarization, Masahiro Yuki / Fujitsu Limited (Kawasaki, JP)
A control apparatus comprising:…

Subcarrier Multiplexing Type Optical Communication Method and Passive Optical Network Using the Same
US 08682166 B2, March 25, 2014, Subcarrier multiplexing, Sang-Lok Lee et al. / Samsung Electronics Co., Ltd. (Yeongtong-gu, Suwon-si, Gyeonggi-do, KR)
A subcarrier multiplexing type optical communication method for reducing optical…

Modulation in an Optical Network
US 08620159 B2, Dec. 31, 2013, Bidirectional, Marco Presi et al. / Telefonaktiebolaget LM Ericsson (publ) (Stockholm, SE
An apparatus arranged to receive a modulated optical signal modulated at a radio…

Holevo Capacity Achieving Joint Detection Receiver
US 08620166 B2, Dec. 31, 2013, Specific optical elements, Saikat Guha / Raytheon BBN Technologies Corp. (Cambridge, US)
An optical receiver comprising:…

System and Method for a Subscriber Powered Network Element
US 08543008 B2, Sept. 24, 2013, Received signal supplies power distribution to diverse devices, Walter G Soto et al.
A method for electrically powering a network element for a wide area network,…

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