Fiber nonlinearity-induced penalty reduction in CO-OFDM by ANN-based nonlinear equalization

Elias Giacoumidis*, Son T. Le, Mohammad Ghanbarisabagh, Mary McCarthy, Ivan Aldaya, Sofien Mhatli, Mutsam A. Jarajreh, Paul A. Haigh, Nick J. Doran, Andrew D. Ellis, Benjamin J. Eggleton

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

We experimentally demonstrate ∼2 dB quality (Q)-factor enhancement in terms of fiber nonlinearity compensation of 40 Gb/s 16 quadrature amplitude modulation coherent optical orthogonal frequency-division multiplexing at 2000 km, using a nonlinear equalizer (NLE) based on artificial neural networks (ANN). Nonlinearity alleviation depends on escalation of the ANN training overhead and the signal bit rate, reporting ∼4 dB Q-factor enhancement at 70 Gb/s, whereas a reduction of the number of ANN neurons annihilates the NLE performance. An enhanced performance by up to ∼2 dB in Q-factor compared to the inverse Volterra-series transfer function NLE leads to a breakthrough in the efficiency of ANN.

Original languageEnglish
Pages (from-to)5113-5116
Number of pages4
JournalOptics Letters
Volume40
Issue number21
Early online date30 Sep 2015
DOIs
Publication statusPublished - 30 Oct 2015

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penalties
nonlinearity
Q factors
fibers
quadrature amplitude modulation
frequency division multiplexing
augmentation
neurons
transfer functions
education

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Giacoumidis, E., Le, S. T., Ghanbarisabagh, M., McCarthy, M., Aldaya, I., Mhatli, S., ... Eggleton, B. J. (2015). Fiber nonlinearity-induced penalty reduction in CO-OFDM by ANN-based nonlinear equalization. Optics Letters, 40(21), 5113-5116. https://doi.org/10.1364/OL.40.005113
Giacoumidis, Elias ; Le, Son T. ; Ghanbarisabagh, Mohammad ; McCarthy, Mary ; Aldaya, Ivan ; Mhatli, Sofien ; Jarajreh, Mutsam A. ; Haigh, Paul A. ; Doran, Nick J. ; Ellis, Andrew D. ; Eggleton, Benjamin J. / Fiber nonlinearity-induced penalty reduction in CO-OFDM by ANN-based nonlinear equalization. In: Optics Letters. 2015 ; Vol. 40, No. 21. pp. 5113-5116.
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Giacoumidis, E, Le, ST, Ghanbarisabagh, M, McCarthy, M, Aldaya, I, Mhatli, S, Jarajreh, MA, Haigh, PA, Doran, NJ, Ellis, AD & Eggleton, BJ 2015, 'Fiber nonlinearity-induced penalty reduction in CO-OFDM by ANN-based nonlinear equalization', Optics Letters, vol. 40, no. 21, pp. 5113-5116. https://doi.org/10.1364/OL.40.005113

Fiber nonlinearity-induced penalty reduction in CO-OFDM by ANN-based nonlinear equalization. / Giacoumidis, Elias; Le, Son T.; Ghanbarisabagh, Mohammad; McCarthy, Mary; Aldaya, Ivan; Mhatli, Sofien; Jarajreh, Mutsam A.; Haigh, Paul A.; Doran, Nick J.; Ellis, Andrew D.; Eggleton, Benjamin J.

In: Optics Letters, Vol. 40, No. 21, 30.10.2015, p. 5113-5116.

Research output: Contribution to journalArticle

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AU - Le, Son T.

AU - Ghanbarisabagh, Mohammad

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AU - Mhatli, Sofien

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AU - Haigh, Paul A.

AU - Doran, Nick J.

AU - Ellis, Andrew D.

AU - Eggleton, Benjamin J.

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Giacoumidis E, Le ST, Ghanbarisabagh M, McCarthy M, Aldaya I, Mhatli S et al. Fiber nonlinearity-induced penalty reduction in CO-OFDM by ANN-based nonlinear equalization. Optics Letters. 2015 Oct 30;40(21):5113-5116. https://doi.org/10.1364/OL.40.005113