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Conference Paper
Coherent Optical Technologies and Applications
Whistler Canada
June 25, 2006
ISBN: 1-55752-809-8
Coherent Optical Communication II (CThB)

Data-Aided Multi-Symbol Phase Estimation for Receiver Sensitivity Enhancement in Optical DQPSK

Xiang Liu

http://dx.doi.org/10.1364/COTA.2006.CThB4


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Abstract

We present a data-aided multi-symbol phase estimation scheme to improve the receiver sensitivity of direct-detection DQPSK to approach that of coherent-detection QPSK in optically pre-amplified receivers. Performance-enhancement of >2 dB is obtained in a nonlinear-regime

© 2006 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.1660) Fiber optics and optical communications : Coherent communications
(060.5060) Fiber optics and optical communications : Phase modulation

Citation
X. Liu, " Data-Aided Multi-Symbol Phase Estimation for Receiver Sensitivity Enhancement in Optical DQPSK," in Optical Amplifiers and Their Applications/Coherent Optical Technologies and Applications, Technical Digest (CD) (Optical Society of America, 2006), paper CThB4.
http://www.opticsinfobase.org/abstract.cfm?URI=COTA-2006-CThB4


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