Giant enhancement of gain flatness for ultra-long BOTDA by injection-locked dual-bandwidths pump demodulation

Xin-Hong Jia; Hui-Liang Ma; Jia-Bing Lin; Shi-Rong Xu; Xi-Yang Wei

Asia Communications and Photonics Conference (ACPC) 2019
OSA Technical Digest (Optica Publishing Group, 2019),
paper M3A.5

Giant enhancement of gain flatness for ultra-long BOTDA by injection-locked dual-bandwidths pump demodulation

Xin-Hong Jia, Hui-Liang Ma, Jia-Bing Lin, Shi-Rong Xu, and Xi-Yang Wei

Asia Communications and Photonics Conference 2019

Chengdu China
2–5 November 2019
ISBN: 978-1-943580-70-5

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Distributed Fiber Sensors (M3A)

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X. Jia, H. Ma, J. Lin, S. Xu, and X. Wei, "Giant enhancement of gain flatness for ultra-long BOTDA by injection-locked dual-bandwidths pump demodulation," in Asia Communications and Photonics Conference (ACPC) 2019, OSA Technical Digest (Optica Publishing Group, 2019), paper M3A.5.

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Abstract

Substantial enhancement of gain flatness along ~148.3 km Brillouin optical time-domain analysis (BOTDA) was demonstrated by tailored distributed Brillouin amplification (DBA), in which direct demodulation of injection-locked dual-bandwidths Brillouin pump was proposed.

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