Modified Decision Feedback Equalizers for Nonlinearity Compensation in Coherent PAM4 Transmission System

To address chromatic dispersion (CD) and nonlinear impairments in coherent optical four-level pulse amplitude modulation (PAM4) systems, we propose a magnitude-assisted decision feedback equalizer (MA-DFE). The proposed scheme utilizes signal amplitude information to construct the error function, wh...

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Bibliographic Details
Main Authors: Zhengxuan Li, Zheng Xin, Siyu Luo, Acai Tan, Bingyao Cao
Format: Article
Language:English
Published: MDPI AG 2025-03-01
Series:Photonics
Subjects:
Online Access:https://www.mdpi.com/2304-6732/12/3/245
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