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Optica Publishing Group
Conferences > OFC > 2018 > M2D > M2D.7

93% Complexity Reduction of Volterra Nonlinear Equalizer by ℓ1-Regularization for 112-Gbps PAM-4 850-nm VCSEL Optical Interconnect

Wan-Jou Huang, Wei-Fan Chang, Chia-Chien Wei, Jun-Jie Liu, Yi-Ching Chen, Kai-Lun Chi, Chih-Lin Wang, Jin-Wei Shi, and Jyehong Chen

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Abstract

We successfully transmit a 112-Gbps PAM-4 signal over 200-m OM4 fiber using 850-nm VCSEL and Volterra filter. Adopting ℓ1-regularization can reduce 93% of computation complexity of Volterra filter at the KP4 FEC limit.

© 2018 The Author(s)

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