200km-Sensing-Range Distributed Acoustic Sensor Link using Enhanced Scattering Fibers

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Publication Date: 10/1/2025

Event: ECOC 2025 – The 51st European Conference on Optical Communication

Reference: pp. 1-4, 2025

Authors: Benyuan Zhu, Lightera Labs; Yaowen Li, NEC Laboratories America, Inc.; Paul S. Westbrook, Lightera Labs; Zhou Shi, Lightera Labs; Kenneth S. Feder, Lightera Labs; Xiaoguang Sun, Lightera; Ting Wang, NEC Laboratories America, Inc.; David J. DiGiovanni , Lightera Labs

Abstract: We report a record long 200.6 km distributed acoustic sensing (DAS) link without inline ampli-fication, 28.6% improvement of sensing range has been achieved by using three segments of enhanced-scattering fibre (ESF) with progressively higher scattering enhancements.

Publication Link: https://ieeexplore.ieee.org/document/11263197