CUED Publications database

The benefit of split nonlinearity compensation for single channel optical fiber communications

Lavery, D and Ives, D and Liga, G and Alvarado, A and Savory, SJ and Bayvel, P (2017) The benefit of split nonlinearity compensation for single channel optical fiber communications. In: UNSPECIFIED pp. 799-802..

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Abstract

© 2016 IEEE. In this Letter we analyze the benefit of digital compensation of fiber nonlinearity, where the digital signal processing is divided between the transmitter and receiver. The application of the Gaussian noise model indicates that, where there are two or more spans, it is always beneficial to split the nonlinearity compensation. The theory is verified via numerical simulations, investigating transmission of single channel 50 GBd polarization division multiplexed 4-and 256-Ary quadrature amplitude modulation signals over 100 km standard single mode fiber spans, using lumped amplification. It is shown, theoretically, that the SNR gain for long distances and high bandwidth transmission is 1.5 dB versus transmitter-or receiver-based nonlinearity compensation.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Subjects: UNSPECIFIED
Divisions: Div B > Photonics
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:11
Last Modified: 03 Aug 2017 03:21
DOI: