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Next-generation optical communication systems will continue to push the ( bandwidth distance) product towards its physical limit. To address this enormous demand, the usage of digital signal processing together with advanced modulation formats and coherent detection has been proposed to enable data-rates as high as 400 Gb/s per channel over distances in the order of 1000 km. These technological...
In this work, a significant reduction of the computational complexity of the back-propagation algorithm applied to dispersion managed links is proposed, without degrading the system performance.
We investigate the joint implementation of back-propagation and RF-pilot tone for fiber nonlinear compensation in POLMUX-16QAM and show that the nonlinear tolerance is drastically improved when compared to OFDM system.
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