Transmitter-Aware Fast FFE Coefficients Distribution for PAM4 Links in Sub-Microsecond Optical Switching Networks

Boyang Zheng; Henrique Freire Santana; Denis Fatkhiev; Nicola Calabretta

doi:10.1109/ECOC66593.2025.11263207

Transmitter-Aware Fast FFE Coefficients Distribution for PAM4 Links in Sub-Microsecond Optical Switching Networks

Onderzoeksoutput: Hoofdstuk in Boek/Rapport/Congresprocedure › Conferentiebijdrage › Academic › peer review

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We experimentally demonstrate a fast and energy-efficient FFE coefficient distribution method in dynamic 50 GBaud PAM4 optical circuit switch (OCS) based data center networks. Results show convergence latency < 4.5 ns, 46% power savings via tap count optimization, negligible ROP impact, and +/-0.3 dB TDECQ tolerance.

Originele taal-2	Engels
Titel	2025 European Conference on Optical Communications, ECOC 2025
Uitgeverij	Institute of Electrical and Electronics Engineers
Aantal pagina's	4
ISBN van elektronische versie	979-8-3315-9531-9
DOI's	https://doi.org/10.1109/ECOC66593.2025.11263207
Status	Gepubliceerd - 5 dec 2025
Evenement	2025 European Conference on Optical Communications (ECOC) - Copenhagen, Denmark, Copenhagen, Denemarken Duur: 28 sep 2025 → 2 okt 2025

Congres

Congres	2025 European Conference on Optical Communications (ECOC)
Land/Regio	Denemarken
Stad	Copenhagen
Periode	28/09/25 → 2/10/25

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© 2025 IEEE.

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title = "Transmitter-Aware Fast FFE Coefficients Distribution for PAM4 Links in Sub-Microsecond Optical Switching Networks",

abstract = "We experimentally demonstrate a fast and energy-efficient FFE coefficient distribution method in dynamic 50 GBaud PAM4 optical circuit switch (OCS) based data center networks. Results show convergence latency < 4.5 ns, 46\% power savings via tap count optimization, negligible ROP impact, and +/-0.3 dB TDECQ tolerance.",

author = "Boyang Zheng and Santana, \{Henrique Freire\} and Denis Fatkhiev and Nicola Calabretta",

note = "Publisher Copyright: {\textcopyright} 2025 IEEE.; 2025 European Conference on Optical Communications (ECOC) ; Conference date: 28-09-2025 Through 02-10-2025",

year = "2025",

month = dec,

day = "5",

doi = "10.1109/ECOC66593.2025.11263207",

language = "English",

booktitle = "2025 European Conference on Optical Communications, ECOC 2025",

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Zheng, B , Santana, HF , Fatkhiev, D & Calabretta, N 2025, Transmitter-Aware Fast FFE Coefficients Distribution for PAM4 Links in Sub-Microsecond Optical Switching Networks. in 2025 European Conference on Optical Communications, ECOC 2025., 11263207, Institute of Electrical and Electronics Engineers, 2025 European Conference on Optical Communications (ECOC), Copenhagen, Denemarken, 28/09/25. https://doi.org/10.1109/ECOC66593.2025.11263207

Transmitter-Aware Fast FFE Coefficients Distribution for PAM4 Links in Sub-Microsecond Optical Switching Networks. / Zheng, Boyang ; Santana, Henrique Freire ; Fatkhiev, Denis et al.
2025 European Conference on Optical Communications, ECOC 2025. Institute of Electrical and Electronics Engineers, 2025. 11263207.

Onderzoeksoutput: Hoofdstuk in Boek/Rapport/Congresprocedure › Conferentiebijdrage › Academic › peer review

TY - GEN

T1 - Transmitter-Aware Fast FFE Coefficients Distribution for PAM4 Links in Sub-Microsecond Optical Switching Networks

AU - Zheng, Boyang

AU - Santana, Henrique Freire

AU - Fatkhiev, Denis

AU - Calabretta, Nicola

PY - 2025/12/5

Y1 - 2025/12/5

N2 - We experimentally demonstrate a fast and energy-efficient FFE coefficient distribution method in dynamic 50 GBaud PAM4 optical circuit switch (OCS) based data center networks. Results show convergence latency < 4.5 ns, 46% power savings via tap count optimization, negligible ROP impact, and +/-0.3 dB TDECQ tolerance.

AB - We experimentally demonstrate a fast and energy-efficient FFE coefficient distribution method in dynamic 50 GBaud PAM4 optical circuit switch (OCS) based data center networks. Results show convergence latency < 4.5 ns, 46% power savings via tap count optimization, negligible ROP impact, and +/-0.3 dB TDECQ tolerance.

UR - https://www.scopus.com/pages/publications/105031421441

U2 - 10.1109/ECOC66593.2025.11263207

DO - 10.1109/ECOC66593.2025.11263207

M3 - Conference contribution

BT - 2025 European Conference on Optical Communications, ECOC 2025

PB - Institute of Electrical and Electronics Engineers

T2 - 2025 European Conference on Optical Communications (ECOC)

Y2 - 28 September 2025 through 2 October 2025

ER -

Transmitter-Aware Fast FFE Coefficients Distribution for PAM4 Links in Sub-Microsecond Optical Switching Networks

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