Brillouin echo-distributed sensing based on differential phase-shift keying technique

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In this letter, we experimentally demonstrate Brillouin echoes-based distributed optical fiber sensing with centimeter spatial resolution. It is based on a differential phase-shift-keying technique using a single Mach–Zehnder modulator to generate a pump p ...

Brillouin echo-distributed sensing based on differential phase-shift keying technique

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Differential Phase-Shift-Keying Technique-Based Brillouin Echo-Distributed Sensing