Orthogonal Circulant Multiplexing based on the Chirp-Like Polyphase Sequence in Short-Reach IM/DD Systems

Zhaoquan Fan; Jian Zhao

doi:10.1364/OFC.2021.Th4D.1

Optical Fiber Communication Conference (OFC) 2021
OSA Technical Digest (Optica Publishing Group, 2021),
paper Th4D.1
•https://doi.org/10.1364/OFC.2021.Th4D.1

Orthogonal Circulant Multiplexing based on the Chirp-Like Polyphase Sequence in Short-Reach IM/DD Systems

Zhaoquan Fan and Jian Zhao

Optical Fiber Communication Conference 2021

Washington, DC United States
6–11 June 2021
ISBN: 978-1-943580-86-6

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Advanced Direct Detection Techniques (Th4D)

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Z. Fan and J. Zhao, "Orthogonal Circulant Multiplexing based on the Chirp-Like Polyphase Sequence in Short-Reach IM/DD Systems," in Optical Fiber Communication Conference (OFC) 2021, P. Dong, J. Kani, C. Xie, R. Casellas, C. Cole, and M. Li, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper Th4D.1.

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Abstract

We propose a novel orthogonal circulant multiplexing technique based on the chirp-like polyphase sequence and show in 115.8-Gbit/s IM/DD experiments with 10-GHz-class devices that this scheme outperforms OFDM, DFT-spread OFDM, OCT-precoded OFDM and OCDM.

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