High-Resolution Coherent DFS Over 20km Ultra-Low-Loss Anti-Resonant Hollow-Core Fiber with Live Traffic
Rajiv Boddeda, Arnaud Dupas, Ha\"ik Mardoyan, Christian Dorize, Fabien Boitier, Peng Li, Zhang Lei, Jie Luo, Pierre Brochard, Carina Castineiras, Jelena Pesic, Florian Pulka, J\'er\'emie Renaudier
TL;DR
This paper demonstrates high-resolution coherent DFS over 20 km of ultra-low-loss anti-resonant hollow-core fiber, detecting acoustic oscillations without disrupting live 1.2 Tbps traffic.
Contribution
It introduces a method for high-resolution coherent DFS in long-distance hollow-core fiber without affecting live high-speed data transmission.
Findings
Achieved sub-meter resolution in coherent DFS over 20 km fiber.
Successfully detected acoustic oscillations during live traffic.
Maintained <0.10 dB/km loss without impacting 1.2 Tbps traffic.
Abstract
We demonstrate sub-meter resolution Coherent DFS and detect acoustic oscillations using a stabilized laser on 20 km of anti-resonant HCF with <0.10 dB/km loss without impacting live traffic of 1.2 Tbps on the adjacent channel.
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