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; Jyehong Chen

doi:10.1364/OFC.2018.M2D.7

Optical Fiber Communication Conference
OSA Technical Digest (online) (Optica Publishing Group, 2018),
paper M2D.7
•https://doi.org/10.1364/OFC.2018.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

Optical Fiber Communication Conference 2018

San Diego, California United States
11–15 March 2018
ISBN: 978-1-943580-38-5

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Energy Efficient Optical Links (M2D)

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W. Huang, W. Chang, C. Wei, J. Liu, Y. Chen, K. Chi, C. Wang, J. Shi, and J. Chen, "93% Complexity Reduction of Volterra Nonlinear Equalizer by ℓ1-Regularization for 112-Gbps PAM-4 850-nm VCSEL Optical Interconnect," in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optica Publishing Group, 2018), paper M2D.7.

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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.

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