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300-Gb/s/λ PAM4 IM/DD Link Enabled by GeSi Electroabsorption Modulator and BU-GRU Equalization
KTH, School of Engineering Sciences (SCI), Physics, Condensed Matter Theory. Kista High-Speed Transmission Lab, RISE Research Institutes of Sweden, 164 40 Kista, Sweden.ORCID iD: 0009-0001-5602-4963
Center for Digital and Computational Humanities, University of Copenhagen, Karen Blixens Plads 8, 2300, Denmark.
Keysight Technologies Deutschland GmbH, 71034 Böblingen, Germany; Institute of Photonics, Electronics and Telecommunications, Riga Technical University, 1048 Riga, Latvia.
KTH, School of Engineering Sciences (SCI), Physics, Condensed Matter Theory. Kista High-Speed Transmission Lab, RISE Research Institutes of Sweden, 164 40 Kista, Sweden.ORCID iD: 0009-0008-9191-281X
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2026 (English)In: 2026 Optical Fiber Communications Conference and Exhibition, OFC 2026 - Proceedings, Institute of Electrical and Electronics Engineers Inc. , 2026Conference paper, Published paper (Refereed)
Abstract [en]

A 300-Gb/s/λ net data rate PAM4 link based on a >67-GHz GeSi electro-absorption modulator is demonstrated. By using a BU-GRU equalizer, we achieve BER below 6.25% overhead HD-FEC threshold after 100-meter SMF transmission.
Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers Inc. , 2026.
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-384735Scopus ID: 2-s2.0-105042378836OAI: oai:DiVA.org:kth-384735DiVA, id: diva2:2083879
Conference
2026 Optical Fiber Communications Conference and Exhibition, OFC 2026, Los Angeles, United States, March 15-19, 2026
Note

Part of ISBN 9781957171548

QC 20260703

Available from: 2026-07-03 Created: 2026-07-03 Last updated: 2026-07-03Bibliographically approved

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Li, DanJiang, Tianyu

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