Xu, Tianhua, Jacobsen, Gunnar, Popov, Sergei, Forzati, M., Mårtensson, J., Mussolin, M., Li, Jie, Wang, Ke, Zhang, Yimo and Friberg, A. T. (2011) Frequency-domain chromatic dispersion equalization using overlap-add methods in coherent optical system. Journal of Optical Communications, 32 (2). pp. 131-135. doi:10.1515/JOC.2011.022

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Abstract

The frequency domain equalizers (FDEs) employing two types of overlap-add zero-padding (OLA-ZP) methods are applied to compensate the chromatic dispersion in a 112-Gbit/s non-return-to-zero polarization division multiplexed quadrature phase shift keying (NRZ-PDM-QPSK) coherent optical transmission system. Simulation results demonstrate that the OLA-ZP methods can achieve the same acceptable performance as the overlapsave method. The required minimum overlap (or zero-padding) in the FDE is derived, and the optimum fast Fourier transform length to minimize the computational complexity is also analyzed.

Item Type:	Journal Article
Subjects:	Q Science > QC Physics T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions:	Faculty of Science > Engineering
Library of Congress Subject Headings (LCSH):	Optical fiber communication, Wavelength division multiplexing, Fourier transform optics
Journal or Publication Title:	Journal of Optical Communications
Publisher:	De Gruyter
ISSN:	0173-4911
Official Date:	2011
Dates:	Date Event 2011 Published
Volume:	32
Number:	2
Page Range:	pp. 131-135
DOI:	10.1515/JOC.2011.022
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access

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