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Digital compensation of chromatic dispersion in 112-Gbit/s PDM-QPSK system
KTH, School of Information and Communication Technology (ICT), Optics and Photonics (Closed 20120101), Optics (Closed 20120101). Acreo AB, Sweden.
KTH, School of Information and Communication Technology (ICT), Optics and Photonics (Closed 20120101), Optics (Closed 20120101).
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2009 (English)In: Optical Transmission Systems, Switching, and Subsystems VII, SPIE - International Society for Optical Engineering, 2009, 763202- p.Conference paper, Published paper (Refereed)
Abstract [en]

High bit rates optical communication systems pose the challenge of their tolerance to linear and nonlinear fiber impairments. Coherent optical receivers using digital signal processing techniques can mitigate the fiber impairments in the optical transmission system, including the chromatic dispersion equalization with digital filters. In this paper, an adaptive finite impulse response filter employing normalized least mean square algorithm is developed for compensating the chromatic dispersion in a 112-Gbit/s polarization division multiplexed quadrature phase shift keying coherent communication system, which is established in the VPI simulation platform. The principle of the adaptive normalized least mean square algorithm for signal equalization is analyzed theoretically, and at the meanwhile, the taps number and the tap weights in the adaptive finite impulse response filter for compensating a certain fiber chromatic dispersion are also investigated by numerical simulation. The chromatic dispersion compensation performance of the adaptive filter is analyzed by evaluating the behavior of the bitor-rate versus the optical signal-to-noise ratio, and the compensation results are also compared with other present digital filters.

Place, publisher, year, edition, pages
SPIE - International Society for Optical Engineering, 2009. 763202- p.
Series
Proceedings of SPIE - The International Society for Optical Engineering, ISSN 0277-786X ; 7632
Keyword [en]
Adaptive finite impulse response filter, Chromatic dispersion equalization, Coherent optical receivers, Digital signal processing, Normalized least mean square algorithm, Polarization division multiplexed quadrature phase shift keying, Finite impulse response filter, Normalized least mean square algorithms, Acoustic receivers, Adaptive filters, Algorithms, Chromatic dispersion, Communication systems, Computer simulation, Dispersions, FIR filters, Impulse response, Multiplexing, Optical communication, Optical receivers, Optical signal processing, Optical systems, Phase shift, Polarization, Quadrature phase shift keying, Signal processing, Signal to noise ratio, Transmissions, Light transmission
National Category
Atom and Molecular Physics and Optics Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-152728DOI: 10.1117/12.849760Scopus ID: 2-s2.0-73849132904ISBN: 978-081948034-7 (print)OAI: oai:DiVA.org:kth-152728DiVA: diva2:766839
Conference
Optical Transmission Systems, Switching, and Subsystems VII, 2 November 2009 through 6 November 2009, Shanghai, China
Note

QC 20141128

Available from: 2014-11-28 Created: 2014-10-01 Last updated: 2014-11-28Bibliographically approved

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Xu, TianhuaPopov, SergeiWang, KeFriberg, Ari T.
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CiteExportLink to record
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Citation style
  • apa
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