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Impact of interchannel nonlinearities on a split-step intrachannel nonlinear equalizer

Savory, SJ and Gavioli, G and Torrengo, E and Poggiolini, P (2010) Impact of interchannel nonlinearities on a split-step intrachannel nonlinear equalizer. IEEE Photonics Technology Letters, 22. pp. 673-675. ISSN 1041-1135

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Abstract

We experimentally investigate the use of split-step intrachannel nonlinear equalizer, for a wavelength-division- multiplexed (WDM) 112-Gb/s nonreturn-to-zero polarization- division-multiplexed quadri-phase-shift keying system using a digital coherent receiver. Our investigations demonstrate that the nonlinear compensation algorithm can increase the reach by 23% in a 100-GHz spacing WDM link compared to 46% for the single-channel case. When the channel spacing is reduced to 50 GHz, the reach improvement is minimal due to the uncompensated interchannel nonlinearities; nevertheless, the system robustness is improved as the system operating power dynamic range is widened by 2 dB. © 2006 IEEE.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div B > Photonics
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:20
Last Modified: 10 Apr 2021 00:43
DOI: 10.1109/LPT.2010.2043837