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Conferences > OFC > 2024 > Th4B > Th4B.8

Real-Time In-Line Coherent Distributed Sensing over a Legacy Submarine Cable

Mikael Mazur, Nicolas K. Fontaine, Roland Ryf, Philip Pilgrim, Tracy Chodkiewicz, Gonzalo Sosa, Stephen D. Carter, Sergio Velazquez Jasso, Jeewan Naik, Kishore Padmaraju, Ajay Mistry, David Winter, Lauren Dallachiesa, Haoshuo Chen, and David T. Neilson

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Abstract

We demonstrate an inband real-time C-OFDR distributed acoustic sensing system over ≈2000 km (NZ-DSF) submarine cable without Bragg-reflector loopbacks. We achieve 2 ms update for phase and ≈200m spatial resolution with zero induced penalty on live transceivers.

© 2024 The Author(s)

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