Spectral-efficient IM-DD transmissions using a super-Nyquist subcarrier modulation

Can Wei; Jilong Li; Gai Zhou; Meng Xiang; Songnian Fu; Yuwen Qin

doi:10.1117/12.3048664

5 December 2024 Spectral-efficient IM-DD transmissions using a super-Nyquist subcarrier modulation

Can Wei, Jilong Li, Gai Zhou, Meng Xiang, Songnian Fu, Yuwen Qin

Author Affiliations +

Proceedings Volume 13418, Fifteenth International Conference on Information Optics and Photonics (CIOP 2024); 1341834 (2024) https://doi.org/10.1117/12.3048664
Event: 15th International Conference on Information Optics and Photonics (CIOP2024), 2024, Xi’an, China

Abstract

We propose a flexible bandwidth compression scheme for Intensity-Modulation and Direct-Detection (IM-DD) transmissions employing the Super-Nyquist Subcarrier Modulation (SN-SCM) signal. After transmitting a 25 Gbaud 16QAM SN-SCM signal over 2 km Standard Single-Mode Fiber (SSMF), 14.7% Spectral Efficiency (SE) enhancement is guaranteed with the help of the Decision-Feedback-Equalization with Multiple-Input-Multiple-Output structure (DFE_MIMO) for Inter-Subcarrier-Interference (ICI) mitigation.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Can Wei, Jilong Li, Gai Zhou, Meng Xiang, Songnian Fu, and Yuwen Qin "Spectral-efficient IM-DD transmissions using a super-Nyquist subcarrier modulation", Proc. SPIE 13418, Fifteenth International Conference on Information Optics and Photonics (CIOP 2024), 1341834 (5 December 2024); https://doi.org/10.1117/12.3048664

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