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Influence of pre- and post-compensation of chromatic dispersion on equalization enhanced phase noise in coherent multilevel systems

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Jacobsen, Gunnar, Lidn, Marisol, Xu, Tianhua, Popov, Sergei, Friberg, Ari T. and Zhang, Yimo (2011) Influence of pre- and post-compensation of chromatic dispersion on equalization enhanced phase noise in coherent multilevel systems. Journal of Optical Communications, 32 (4). pp. 257-261. doi:10.1515/JOC.2011.053

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Official URL: http://dx.doi.org/10.1515/JOC.2011.053

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Abstract

In this paper we present a comparative study of the equalization enhanced phase noise (EEPN) for pre- and post-compensation of chromatic dispersion in high capacity and high constellation systems. This is to our knowledge the first detailed study in this area for pre-compensation systems. Our main results show that the local oscillator phase noise determines the EEPN influence in post-compensation implementations whereas the transmitter laser determines the EEPN in pre-compensation implementations. As a result of significance for the implementation of practical longer-range systems it is to be emphasized that the use of chromatic dispersion equalization in the optical domain e.g. by the use of dispersion compensation fibers eliminates the EEPN entirely. Thus, this seems an efficient solution for such systems operating at high constellations in the future.

Item Type: Journal Article
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Science > Engineering
Library of Congress Subject Headings (LCSH): Optical fiber communication, Phase shift keying, Signal processing -- Digital techniques
Journal or Publication Title: Journal of Optical Communications
Publisher: De Gruyter
ISSN: 0173-4911
Official Date: 2011
Dates:
DateEvent
2011Published
Volume: 32
Number: 4
Page Range: pp. 257-261
DOI: 10.1515/JOC.2011.053
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access

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