Low power optical transceiver using orthogonal polarization detection technique

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8977125
APP PUB NO 20120039606A1
SERIAL NO

12854668

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method and apparatus for simultaneous processing of signals impressed on a horizontal polarization of a light wave and on a vertical polarization of the light wave is provided. In one embodiment, a horizontal polarization pilot tone is impressed on a data signal carried by the horizontal polarization and a vertical polarization pilot tone is impressed on a data signal carried by the vertical polarization. A receiver processes the dual-polarized light wave and converts it to an X channel signal and a Y channel signal. The X and Y channel signals are processed in separate channels to recover a phase and frequency offset between them and a local oscillator. The phase and frequency recovered and frequency de-multiplexed signals are further processed to polarization de-multiplex the data signal carried by the horizontal polarization and the data signal carried by the vertical polarization.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
CIENA CORPORATIONLINTHICUM, MD1684

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Frankel, Michael Y Baltimore, US 75 502
Grigoryan, Vladimir S Elkridge, US 8 57
Pelekhaty, Vladimir Baltimore, US 20 97

Cited Art Landscape

Patent Info (Count) # Cites Year
 
TYCO ELECTRONICS SUBSEA COMMUNICATIONS LLC (1)
* 8090270 Frequency offset polarization multiplexing modulation format and system incorporating the same 2 2008
 
CISCO TECHNOLOGY, INC. (1)
* 2010/0209,102 ENCODING FIBRE CHANNEL OVER ETHERNET TRANSPORT 1 2009
 
METGLAS, INC. (1)
2002/0021,218 Integrated hybrid electronic article surveillance marker 2 2001
 
ALCATEL LUCENT (1)
* 2010/0329,683 System, Method and Apparatus for Coherent Optical OFDM 29 2009
 
CIENA CORPORATION (15)
6658013 Method and apparatus for ensuring survivability of inter-ring traffic 83 1999
6351582 Passive optical network arrangement 33 1999
6829247 Method and apparatus for establishing dedicated local area network N) connections in an optical transmission network 6 1999
6826200 Combiner/TMUX simulated B1 transparency in fiber optic networks running SONET 3 2000
6816680 Optical communications network and nodes for forming such a network 7 2000
6473223 Raman amplifier 1 2001
7061910 Universal transfer method and network with distributed switch 5 2001
7085501 Coherent optical receiver 12 2002
6795594 Duobinary modulation scheme for a Mach-Zehnder optical modulator 7 2002
7315584 Coherent receiver 7 2003
6917031 Method for quadrature phase angle correction in a coherent receiver of a dual-polarization optical transport system 19 2004
7469106 Reference phase and amplitude estimation for coherent optical receiver 10 2004
7037143 Front access lan and timing (SATT) 2 2004
7555227 Polarization compensation in a coherent optical receiver 22 2005
7684712 Non-linear equalizer in a coherent optical receiver 23 2006
 
SENSORMATIC ELECTRONICS CORPORATION (1)
2006/0176,229 Core antenna for EAS and RFID applications 4 2005
 
CHECKPOINT SYSTEMS, INC. (1)
2007/0205,902 RF RELEASE MECHANISM FOR HARD TAG 16 2007
 
AVERY DENNISON CORPORATION (1)
2006/0049,947 RFID tags with EAS deactivation ability 12 2004
 
XIEON NETWORKS S.A.R.L. (1)
* 2005/0265,727 Method for transmitting at least one first and second data signal in polarization multiplex in an optical transmission system 10 2005
 
HUAWEI TECHNOLOGIES CO., LTD. (1)
* 2012/0033,965 Method and Apparatus for Broadband Carrier Frequency and Phase Recovery in Coherent Optical System 29 2011
 
TYCO FIRE & SECURITY GMBH (2)
2006/0273,901 Techniques for deactivating electronic article surveillance labels using energy recovery 2 2005
2006/0273,902 Techniques for detecting RFID tags in electronic article surveillance systems using frequency mixing 15 2005
* Cited By Examiner

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