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An Efficient Nonlinear Equalizer for 40-Gb/s PAM4-PON Systems

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Abstract

We firstly propose a decision feedback equalizer (DFE) based on a novel nonlinear filter structure for 40-Gb/s PAM4-PON systems. The proposed equalizer achieves similar performance with Volterra DFE at only 21.7% tap numbers.

© 2018 The Author(s)

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