2 papers
physics.optics2026
Per-Span Microwave Frequency Fiber Interferometry in Subsea Cables for Scalable Deep-Ocean Geophysical Monitoring
Georgios Aias Karydis, Nicolas L. Celli, David Craig +6
We demonstrate low-cost microwave frequency fibre interferometry for per-span monitoring of a 1,770 km operational subsea cable connecting Ireland and Iceland. Over four months, th…
physics.geo-ph2024
Global Seismic Monitoring using Operational Subsea Cable
Mikael Mazur, Martin Karrenbach, Nicolas K. Fontaine +11
We report tele-seismic waves detection from multiple earthquakes on an operational subsea cable from Iceland to Ireland. Using per-span laser interferometry with 100km spacing, we…