High-Speed Turbo Equalization for 224 Gb/s PAM4 IM/DD Systems with Standardized FEC

Optical Fiber Communication Conference (OFC) 2026 2026

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Authors: Tianyuan Kong, Nebojša Stojanović, Balázs Matuz, Tom Wettlin, Emna Ben Yacoub, Stefano Calabro, Xianbo Dai, Maxim Kuschnerov, Stephan Pachnicke
DOI: 10.1364/ofc.2026.w2a.45
Cited by: 1
References: 4

Abstract

We investigate a turbo equalization algorithm for bandwidth-limited IM/DD systems, integrating a BCJR detector with the standardized (128,120) extended Hamming decoder. Simulation and experiment for 224Gbps PAM4 demonstrate 1.35dB performance gain at KP4 pre-FEC.

Fields of Study & Subjects

Optical Network Technologies Advanced Wireless Communication Techniques Advancements in PLL and VCO Technologies

Publication details

Journal / source
Optical Fiber Communication Conference (OFC) 2026
Publisher
Optica Publishing Group
Pages
W2A.45–W2A.45
Publication date
1 January 2026