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Dispersion and nonlinear compensation in a 32 × 200  Gb/s phase conjugated twin waves dense wavelength division multiplexed system

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Abstract

We have analyzed the performance of several distortion compensation techniques in the scenario of ultra-high-speed dense wavelength division multiplexed channels. A new hybrid approach, which is a combination of optical back propagation and phase conjugation twin waves, is proposed for the compensation without any pump signal. One of the advantages of the proposed technique is not only its ability to be implemented inline but also that it will reduce the number of components in transmission systems. In addition, a dispersion compensation technique has been applied by using a dispersion compensating fiber. The performance of these different techniques is evaluated in a system of 32 channels, in which each channel is modulated with a quadrature phase shift keying format and transmits the data at a rate of 200 Gb/s per channel. We performed a comparative analysis of these techniques by evaluating their performance in terms of quality factor and eye diagrams.

© 2019 Optical Society of America

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