E. Giacoumidis, S. Le, I. Aldaya, Jinlong Wei, M. McCarthy, N. Doran, B. Eggleton
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Experimental comparison of artificial neural network and volterra based nonlinear equalization for CO-OFDM
A novel artificial neural network (ANN)-based nonlinear equalizer (NLE) of low complexity is demonstrated for 40-Gb/s CO-OFDM at 2000 km, revealing ~1.5 dB enhancement in Q-factor compared to inverse Volterra-series transfer function based NLE.