Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/18235
Title: Adaptive chromatic dispersion compensation for coherent communication systems using delay-tap sampling technique
Authors: Wang, D
Lu, C 
Lau, APT
He, S
Keywords: Chromatic dispersion (CD) compensation
coherent detection
delay-tap sampling
digital signal processing (DSP)
Issue Date: 2011
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE photonics technology letters, 2011, v. 23, no. 14, 5764498, p. 1016-1018 How to cite?
Journal: IEEE photonics technology letters 
Abstract: A fast and low-complexity adaptive chromatic dispersion (CD) compensation algorithm based on delay-tap sampling technique for optical coherent systems is proposed. By generating a delay-tap plot from the signal powers after an adaptive CD equalizer, a parameter can be extracted from the delay-tap plot which can be used to estimate CD accurately. Simulation results for coherent polarization-division-multiplexed (PDM) quaternary phase-shift keying (QPSK) as well as 16-quadrature amplitude modulation (QAM) systems with various pulse shapes demonstrate that high CD estimation accuracies using relatively few data symbols can be achieved in presence of other transmission impairments.
URI: http://hdl.handle.net/10397/18235
ISSN: 1041-1135
EISSN: 1941-0174
DOI: 10.1109/LPT.2011.2151280
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