End-to-End of Tomlinson-Harashima Precoding for Faster-than-Nyquist Coherent Optical Fiber Transmission

Xun Liu; Qi Xu; Ran Gao; Fei Wang; Chenchen Wang; Junyuan Song; Huan Chang; Wei Yan; Chao Yu; Haoran Zhang; Mu Yang; Xiangjun Xin

doi:10.1109/ACP66871.2025.11350951

End-to-End of Tomlinson-Harashima Precoding for Faster-than-Nyquist Coherent Optical Fiber Transmission

Xun Liu
, Qi Xu^*
, Ran Gao
, Fei Wang
, Chenchen Wang
, Junyuan Song
, Huan Chang
, Wei Yan
, Chao Yu
, Haoran Zhang
, Mu Yang
, Xiangjun Xin

^*Corresponding author for this work

Beijing Institute of Technology

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

We propose an end-to-end Tomlinson-Harashima precoding (E2E-THP) for coherent optical fiber transmission systems. It outperforms the conventional THP with optical signal-to-noise ratio (OSNR) improvements of 1.0 dB at 20% soft-decision forward error correction (SD-FEC) threshold.

Original language	English
Title of host publication	2025 Asia Communications and Photonics Conference, ACP 2025
Publisher	Optica Publishing Group (formerly OSA)
ISBN (Electronic)	9798350357400
DOIs	https://doi.org/10.1109/ACP66871.2025.11350951
Publication status	Published - 2025
Externally published	Yes
Event	2025 Asia Communications and Photonics Conference, ACP 2025 - Jiangsu, China Duration: 5 Nov 2025 → 8 Nov 2025

Publication series

Name	Asia Communications and Photonics Conference, ACP
ISSN (Print)	2162-108X

Conference

Conference	2025 Asia Communications and Photonics Conference, ACP 2025
Country/Territory	China
City	Jiangsu
Period	5/11/25 → 8/11/25

Keywords

Tomlinson-Harashima precoding
end-to-end learning
faster than Nyquist
optical fiber communication

Access to Document

10.1109/ACP66871.2025.11350951

Cite this

Liu, X., Xu, Q., Gao, R., Wang, F., Wang, C., Song, J., Chang, H., Yan, W., Yu, C., Zhang, H., Yang, M., & Xin, X. (2025). End-to-End of Tomlinson-Harashima Precoding for Faster-than-Nyquist Coherent Optical Fiber Transmission. In 2025 Asia Communications and Photonics Conference, ACP 2025 (Asia Communications and Photonics Conference, ACP). Optica Publishing Group (formerly OSA). https://doi.org/10.1109/ACP66871.2025.11350951

@inproceedings{94685d3563414858bd474d61e60835df,

title = "End-to-End of Tomlinson-Harashima Precoding for Faster-than-Nyquist Coherent Optical Fiber Transmission",

abstract = "We propose an end-to-end Tomlinson-Harashima precoding (E2E-THP) for coherent optical fiber transmission systems. It outperforms the conventional THP with optical signal-to-noise ratio (OSNR) improvements of 1.0 dB at 20\% soft-decision forward error correction (SD-FEC) threshold.",

keywords = "Tomlinson-Harashima precoding, end-to-end learning, faster than Nyquist, optical fiber communication",

author = "Xun Liu and Qi Xu and Ran Gao and Fei Wang and Chenchen Wang and Junyuan Song and Huan Chang and Wei Yan and Chao Yu and Haoran Zhang and Mu Yang and Xiangjun Xin",

note = "Publisher Copyright: {\textcopyright} 2025 IEEE.; 2025 Asia Communications and Photonics Conference, ACP 2025 ; Conference date: 05-11-2025 Through 08-11-2025",

year = "2025",

doi = "10.1109/ACP66871.2025.11350951",

language = "English",

series = "Asia Communications and Photonics Conference, ACP",

publisher = "Optica Publishing Group (formerly OSA)",

booktitle = "2025 Asia Communications and Photonics Conference, ACP 2025",

address = "United States",

}

Liu, X, Xu, Q, Gao, R, Wang, F, Wang, C, Song, J, Chang, H, Yan, W, Yu, C, Zhang, H, Yang, M & Xin, X 2025, End-to-End of Tomlinson-Harashima Precoding for Faster-than-Nyquist Coherent Optical Fiber Transmission. in 2025 Asia Communications and Photonics Conference, ACP 2025. Asia Communications and Photonics Conference, ACP, Optica Publishing Group (formerly OSA), 2025 Asia Communications and Photonics Conference, ACP 2025, Jiangsu, China, 5/11/25. https://doi.org/10.1109/ACP66871.2025.11350951

End-to-End of Tomlinson-Harashima Precoding for Faster-than-Nyquist Coherent Optical Fiber Transmission. / Liu, Xun; Xu, Qi; Gao, Ran et al.
2025 Asia Communications and Photonics Conference, ACP 2025. Optica Publishing Group (formerly OSA), 2025. (Asia Communications and Photonics Conference, ACP).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

TY - GEN

T1 - End-to-End of Tomlinson-Harashima Precoding for Faster-than-Nyquist Coherent Optical Fiber Transmission

AU - Liu, Xun

AU - Xu, Qi

AU - Gao, Ran

AU - Wang, Fei

AU - Wang, Chenchen

AU - Song, Junyuan

AU - Chang, Huan

AU - Yan, Wei

AU - Yu, Chao

AU - Zhang, Haoran

AU - Yang, Mu

AU - Xin, Xiangjun

PY - 2025

Y1 - 2025

N2 - We propose an end-to-end Tomlinson-Harashima precoding (E2E-THP) for coherent optical fiber transmission systems. It outperforms the conventional THP with optical signal-to-noise ratio (OSNR) improvements of 1.0 dB at 20% soft-decision forward error correction (SD-FEC) threshold.

AB - We propose an end-to-end Tomlinson-Harashima precoding (E2E-THP) for coherent optical fiber transmission systems. It outperforms the conventional THP with optical signal-to-noise ratio (OSNR) improvements of 1.0 dB at 20% soft-decision forward error correction (SD-FEC) threshold.

KW - Tomlinson-Harashima precoding

KW - end-to-end learning

KW - faster than Nyquist

KW - optical fiber communication

UR - https://www.scopus.com/pages/publications/105034223025

U2 - 10.1109/ACP66871.2025.11350951

DO - 10.1109/ACP66871.2025.11350951

M3 - Conference contribution

AN - SCOPUS:105034223025

T3 - Asia Communications and Photonics Conference, ACP

BT - 2025 Asia Communications and Photonics Conference, ACP 2025

PB - Optica Publishing Group (formerly OSA)

T2 - 2025 Asia Communications and Photonics Conference, ACP 2025

Y2 - 5 November 2025 through 8 November 2025

ER -

End-to-End of Tomlinson-Harashima Precoding for Faster-than-Nyquist Coherent Optical Fiber Transmission

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