Real-Time Monitoring of Cable Break in a Live Fiber Network using a Coherent Transceiver Prototype
Mikael Mazur, Lauren Dallachiesa, Roland Ryf, Dennis Wallberg, Erik, B\"orjesson, Magnus Bergroth, B\"orje Josefsson, Nicolas K. Fontaine, Haoshuo, Chen, David T. Neilson, Jochen Schr\"oder, Per Larsson-Edefors, Magnus, Karlsson
TL;DR
This paper demonstrates real-time detection of cable breaks in a live fiber network using a novel FPGA-based coherent transceiver prototype, identifying precursors minutes before failure.
Contribution
Introduces a sensing-capable coherent transceiver prototype capable of monitoring fiber health and detecting cable breaks in real-time during live network operation.
Findings
Detected potential warning signs minutes before cable break
Identified baseline-exceeding changes immediately prior to failure
Validated the feasibility of real-time fiber health monitoring
Abstract
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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Taxonomy
TopicsIntegrated Circuits and Semiconductor Failure Analysis · Advanced Optical Sensing Technologies · Electrical Fault Detection and Protection