FEC-Assist Decision-Directed Equalization for Bandwidth-Limited Optical Interconnection

Xuanwei Liu; Yuyao Wen; Junyuan Song; Shaonan Liu; Jun Ming; Hailian He; Yujia Mu; Ze Dong

doi:10.23919/OECC/PSC62146.2025.11110789

FEC-Assist Decision-Directed Equalization for Bandwidth-Limited Optical Interconnection

Xuanwei Liu
, Yuyao Wen
, Junyuan Song
, Shaonan Liu
, Jun Ming
, Hailian He
, Yujia Mu
, Ze Dong

Beijing Institute of Technology

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

Abstract

We propose a FEC-assist decision-directed equalizer to mitigate inter-symbol interference in bandwidth-limited IM/DD systems. Experimental validation on a 160 Gbit/s PAM4 interconnction demonstrates over 1.5 dB receiver sensitivity improvement compared with conventional methods.

Original language	English
Title of host publication	OECC/PSC 2025 - 30th OptoElectronics and Communications Conference/International Conference on Photonics in Switching and Computing 2025
Publisher	Institute of Electrical and Electronics Engineers Inc.
Edition	2025
ISBN (Electronic)	9784885523526
DOIs	https://doi.org/10.23919/OECC/PSC62146.2025.11110789
Publication status	Published - 2025
Externally published	Yes
Event	30th OptoElectronics and Communications Conference and 2025 International Conference on Photonics in Switching and Computing, OECC/PSC 2025 - Sapporo, Japan Duration: 29 Jun 2025 → 3 Jul 2025

Conference

Conference	30th OptoElectronics and Communications Conference and 2025 International Conference on Photonics in Switching and Computing, OECC/PSC 2025
Country/Territory	Japan
City	Sapporo
Period	29/06/25 → 3/07/25

Keywords

Transmission impairments and their mitigations

Access to Document

10.23919/OECC/PSC62146.2025.11110789

Cite this

Liu, X., Wen, Y., Song, J., Liu, S., Ming, J., He, H., Mu, Y., & Dong, Z. (2025). FEC-Assist Decision-Directed Equalization for Bandwidth-Limited Optical Interconnection. In OECC/PSC 2025 - 30th OptoElectronics and Communications Conference/International Conference on Photonics in Switching and Computing 2025 (2025 ed.). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.23919/OECC/PSC62146.2025.11110789

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title = "FEC-Assist Decision-Directed Equalization for Bandwidth-Limited Optical Interconnection",

abstract = "We propose a FEC-assist decision-directed equalizer to mitigate inter-symbol interference in bandwidth-limited IM/DD systems. Experimental validation on a 160 Gbit/s PAM4 interconnction demonstrates over 1.5 dB receiver sensitivity improvement compared with conventional methods.",

keywords = "Transmission impairments and their mitigations",

author = "Xuanwei Liu and Yuyao Wen and Junyuan Song and Shaonan Liu and Jun Ming and Hailian He and Yujia Mu and Ze Dong",

note = "Publisher Copyright: {\textcopyright} 2025 The Institute of Electronics, Information and Communication Engineers (IEICE).; 30th OptoElectronics and Communications Conference and 2025 International Conference on Photonics in Switching and Computing, OECC/PSC 2025 ; Conference date: 29-06-2025 Through 03-07-2025",

year = "2025",

doi = "10.23919/OECC/PSC62146.2025.11110789",

language = "English",

booktitle = "OECC/PSC 2025 - 30th OptoElectronics and Communications Conference/International Conference on Photonics in Switching and Computing 2025",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

address = "United States",

edition = "2025",

}

Liu, X, Wen, Y, Song, J, Liu, S, Ming, J, He, H, Mu, Y & Dong, Z 2025, FEC-Assist Decision-Directed Equalization for Bandwidth-Limited Optical Interconnection. in OECC/PSC 2025 - 30th OptoElectronics and Communications Conference/International Conference on Photonics in Switching and Computing 2025. 2025 edn, Institute of Electrical and Electronics Engineers Inc., 30th OptoElectronics and Communications Conference and 2025 International Conference on Photonics in Switching and Computing, OECC/PSC 2025, Sapporo, Japan, 29/06/25. https://doi.org/10.23919/OECC/PSC62146.2025.11110789

FEC-Assist Decision-Directed Equalization for Bandwidth-Limited Optical Interconnection. / Liu, Xuanwei; Wen, Yuyao; Song, Junyuan et al.
OECC/PSC 2025 - 30th OptoElectronics and Communications Conference/International Conference on Photonics in Switching and Computing 2025. 2025. ed. Institute of Electrical and Electronics Engineers Inc., 2025.

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

TY - GEN

T1 - FEC-Assist Decision-Directed Equalization for Bandwidth-Limited Optical Interconnection

AU - Liu, Xuanwei

AU - Wen, Yuyao

AU - Song, Junyuan

AU - Liu, Shaonan

AU - Ming, Jun

AU - He, Hailian

AU - Mu, Yujia

AU - Dong, Ze

PY - 2025

Y1 - 2025

N2 - We propose a FEC-assist decision-directed equalizer to mitigate inter-symbol interference in bandwidth-limited IM/DD systems. Experimental validation on a 160 Gbit/s PAM4 interconnction demonstrates over 1.5 dB receiver sensitivity improvement compared with conventional methods.

AB - We propose a FEC-assist decision-directed equalizer to mitigate inter-symbol interference in bandwidth-limited IM/DD systems. Experimental validation on a 160 Gbit/s PAM4 interconnction demonstrates over 1.5 dB receiver sensitivity improvement compared with conventional methods.

KW - Transmission impairments and their mitigations

UR - https://www.scopus.com/pages/publications/105015862503

U2 - 10.23919/OECC/PSC62146.2025.11110789

DO - 10.23919/OECC/PSC62146.2025.11110789

M3 - Conference contribution

AN - SCOPUS:105015862503

BT - OECC/PSC 2025 - 30th OptoElectronics and Communications Conference/International Conference on Photonics in Switching and Computing 2025

PB - Institute of Electrical and Electronics Engineers Inc.

T2 - 30th OptoElectronics and Communications Conference and 2025 International Conference on Photonics in Switching and Computing, OECC/PSC 2025

Y2 - 29 June 2025 through 3 July 2025

ER -

Liu X, Wen Y, Song J, Liu S, Ming J, He H et al. FEC-Assist Decision-Directed Equalization for Bandwidth-Limited Optical Interconnection. In OECC/PSC 2025 - 30th OptoElectronics and Communications Conference/International Conference on Photonics in Switching and Computing 2025. 2025 ed. Institute of Electrical and Electronics Engineers Inc. 2025 doi: 10.23919/OECC/PSC62146.2025.11110789

FEC-Assist Decision-Directed Equalization for Bandwidth-Limited Optical Interconnection

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Keywords

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