First Coherent DSP and Pluggable Transceiver Capable of Distance-Resolved, Longitudinal Power Monitoring

Optical Fiber Communication Conference (OFC) 2026 2026

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Authors: Takeo Sasai, Yukinobu Nakajima, Minami Takahashi, Runa Kaneko, Masanori Nakamura, Asuka Matsushita, Fukutaro Hamaoka, Etsushi Yamazaki
DOI: 10.1364/ofc.2026.th4b.4
Cited by: 1
References: 2

Abstract

We present the first realization of longitudinal power monitoring implemented fully on a real-time coherent DSP inside an OSFP, delivering up to 1005-km-range, 2.1-km-resolution monitoring using 800ZR+/400ZR+ traffic, with multi-vendor interoperability and negligible power overhead.

Fields of Study & Subjects

Optical Network Technologies Advanced Optical Network Technologies Advancements in PLL and VCO Technologies

Publication details

Journal / source
Optical Fiber Communication Conference (OFC) 2026
Publisher
Optica Publishing Group
Pages
Th4B.4–Th4B.4
Publication date
1 January 2026