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Modified Split-Step Fourier Method for Compensation of Nonlinear Fibre Impairments
Photonics Systems Group, Tyndall National Institute and Department of Electrical Engineering/Physics,.
Department of Information Engineering, University of Padova, Italy.
Acreo AB, Network Transmission Lab..
Acreo AB, Network Transmission Lab..
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2011 (English)In: 13th International Conference on Transparent Optical Networks (ICTON), 2011, IEEE conference proceedings, 2011, 1-4 p.Conference paper (Refereed)
Abstract [en]

In this paper, we investigate a modified split-step Fourier method to enable computationally-efficient digital nonlinearity compensation for a coherently-detected 112 Gb/s polarization multiplexed quadrature phase shifted keying transmission over a 1,600 km link (20×80 km) with no inline compensation. We report up to 80% reduction in required stages to perform nonlinear compensation, in comparison to the conventional backpropagation algorithm. This method takes into account the correlation between adjacent symbols at a given instant using a weighted-average approach to enable practical digital nonlinearity compensation.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2011. 1-4 p.
Keyword [en]
Coherent communications, Kerr nonlinearity, digital signal processing, advanced modulation
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:kth:diva-94825DOI: 10.1109/ICTON.2011.5971017ScopusID: 2-s2.0-80155135563ISBN: 978-1-4577-0881-7OAI: diva2:526069
13th International Conference on Transparent Optical Networks, 26-30 June 2011

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QC 20120611

Available from: 2012-06-11 Created: 2012-05-10 Last updated: 2012-06-11Bibliographically approved

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