Observation of Backward Guided-Acoustic-Wave Brillouin Scattering in Optical Fibers Using Pump-Probe Technique

Neisei Hayashi, Heeyoung Lee, Yosuke Mizuno, Kentaro Nakamura

研究成果: Article査読

11 被引用数 (Scopus)

抄録

We experimentally demonstrate the observation of backward (i.e., opposite of the direction of the pump) guided-acoustic-wave Brillouin scattering (GAWBS) using the pump-probe technique and investigate the spectral dependence on the pump-probe light power. We show that the signal-to-noise ratio (SNR) of the backward GAWBS measurement can be drastically improved by using this technique. We also observe a nonmonotonic dependence of the SNR on the probe power, which indicates that optimal probe power exists for implementing GAWBS-based distributed sensors.

本文言語English
論文番号7458162
ジャーナルIEEE Photonics Journal
8
3
DOI
出版ステータスPublished - 2016 6
外部発表はい

ASJC Scopus subject areas

  • 原子分子物理学および光学
  • 電子工学および電気工学

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