Artificial neural network nonlinear equalizer for coherent optical OFDM

Mutsam A. Jarajreh, Elias Giacoumidis, Ivan Aldaya, Son Thai Le, Athanasios Tsokanos, Zabih Ghassemlooy, Nick J. Doran

Research output: Contribution to journalArticle

Abstract

We propose a novel low-complexity artificial neural network (ANN)-based nonlinear equalizer (NLE) for coherent optical orthogonal frequency-division multiplexing (CO-OFDM) and compare it with the recent inverse Volterra-series transfer function (IVSTF)-based NLE over up to 1000 km of uncompensated links. Demonstration of ANN-NLE at 80-Gb/s CO-OFDM using 16-quadrature amplitude modulation reveals a Q-factor improvement after 1000-km transmission of 3 and 1 dB with respect to the linear equalization and IVSTF-NLE, respectively.
Original languageEnglish
Pages (from-to)387-390
Number of pages17
JournalIEEE Photonics Technology Letters
Volume27
Issue number4
Early online date21 Jan 2015
DOIs
Publication statusPublished - 15 Feb 2015

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Equalizers
Orthogonal frequency division multiplexing
Neural networks
frequency division multiplexing
transfer functions
Transfer functions
quadrature amplitude modulation
Quadrature amplitude modulation
Q factors
Demonstrations

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Jarajreh, M. A., Giacoumidis, E., Aldaya, I., Le, S. T., Tsokanos, A., Ghassemlooy, Z., & Doran, N. J. (2015). Artificial neural network nonlinear equalizer for coherent optical OFDM. IEEE Photonics Technology Letters, 27(4), 387-390. https://doi.org/10.1109/LPT.2014.2375960
Jarajreh, Mutsam A. ; Giacoumidis, Elias ; Aldaya, Ivan ; Le, Son Thai ; Tsokanos, Athanasios ; Ghassemlooy, Zabih ; Doran, Nick J. / Artificial neural network nonlinear equalizer for coherent optical OFDM. In: IEEE Photonics Technology Letters. 2015 ; Vol. 27, No. 4. pp. 387-390.
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Jarajreh, MA, Giacoumidis, E, Aldaya, I, Le, ST, Tsokanos, A, Ghassemlooy, Z & Doran, NJ 2015, 'Artificial neural network nonlinear equalizer for coherent optical OFDM', IEEE Photonics Technology Letters, vol. 27, no. 4, pp. 387-390. https://doi.org/10.1109/LPT.2014.2375960

Artificial neural network nonlinear equalizer for coherent optical OFDM. / Jarajreh, Mutsam A.; Giacoumidis, Elias; Aldaya, Ivan; Le, Son Thai; Tsokanos, Athanasios; Ghassemlooy, Zabih; Doran, Nick J.

In: IEEE Photonics Technology Letters, Vol. 27, No. 4, 15.02.2015, p. 387-390.

Research output: Contribution to journalArticle

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AU - Jarajreh, Mutsam A.

AU - Giacoumidis, Elias

AU - Aldaya, Ivan

AU - Le, Son Thai

AU - Tsokanos, Athanasios

AU - Ghassemlooy, Zabih

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AB - We propose a novel low-complexity artificial neural network (ANN)-based nonlinear equalizer (NLE) for coherent optical orthogonal frequency-division multiplexing (CO-OFDM) and compare it with the recent inverse Volterra-series transfer function (IVSTF)-based NLE over up to 1000 km of uncompensated links. Demonstration of ANN-NLE at 80-Gb/s CO-OFDM using 16-quadrature amplitude modulation reveals a Q-factor improvement after 1000-km transmission of 3 and 1 dB with respect to the linear equalization and IVSTF-NLE, respectively.

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Jarajreh MA, Giacoumidis E, Aldaya I, Le ST, Tsokanos A, Ghassemlooy Z et al. Artificial neural network nonlinear equalizer for coherent optical OFDM. IEEE Photonics Technology Letters. 2015 Feb 15;27(4):387-390. https://doi.org/10.1109/LPT.2014.2375960