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Compensation of intra-channel nonlinear fibre impairments using simplified digital back-propagation algorithm
Photonics Systems Group, Tyndall National Institute and Department of Electrical Engineering/Physics, University College Cork, Dyke Parade, Prospect Row, Cork, Ireland.
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: Optics Express, ISSN 1094-4087, Vol. 19, no 10, 9453-9460 p.Article in journal (Refereed) Published
Abstract [en]

We investigate a digital back-propagation simplification 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 (20x80km) with no inline compensation. Through numerical simulation, we report up to 80% reduction in required back-propagation steps to perform nonlinear compensation, in comparison to the standard back-propagation algorithm. This method takes into account the correlation between adjacent symbols at a given instant using a weighted-average approach, and optimization of the position of nonlinear compensator stage to enable practical digital back-propagatio

Place, publisher, year, edition, pages
Optical Society of America, 2011. Vol. 19, no 10, 9453-9460 p.
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:kth:diva-94774DOI: 10.1364/OE.19.009453ISI: 000290490200069OAI: diva2:526067

QC 20120612

Available from: 2012-06-12 Created: 2012-05-10 Last updated: 2012-09-27Bibliographically approved

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Forzati, MacroChughtai, Mohsan Niaz
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