Real-Time Monitoring of Cable Break in a Live Fiber Network using a Coherent Transceiver Prototype

3 Jul 2023  ·  Mikael Mazur, Lauren Dallachiesa, Roland Ryf, Dennis Wallberg, Erik Börjesson, Magnus Bergroth, Börje Josefsson, Nicolas K. Fontaine, Haoshuo Chen, David T. Neilson, Jochen Schröder, Per Larsson-Edefors, Magnus Karlsson ·

We monitor a 524km live network link using an FPGA-based sensing-capable coherent transceiver prototype during a human-caused cable break. Post-analysis of polarization data reveals minute-level potential warning precursors and baseline-exceeding changes directly preceding the break.

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