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

Neisei Hayashi; Heeyoung Lee; Yosuke Mizuno; Kentaro Nakamura

doi:10.1109/JPHOT.2016.2550321

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

Neisei Hayashi, Heeyoung Lee, Yosuke Mizuno, Kentaro Nakamura

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

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.

Original language	English
Article number	7458162
Journal	IEEE Photonics Journal
Volume	8
Issue number	3
DOIs	https://doi.org/10.1109/JPHOT.2016.2550321
Publication status	Published - 2016 Jun
Externally published	Yes

Keywords

Guided-acoustic-wave Brillouin scattering
nonlinear optics
optical fiber sensors
pump-probe technique

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

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

abstract = "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.",

keywords = "Guided-acoustic-wave Brillouin scattering, nonlinear optics, optical fiber sensors, pump-probe technique",

author = "Neisei Hayashi and Heeyoung Lee and Yosuke Mizuno and Kentaro Nakamura",

note = "Funding Information: This work was supported in part by the Japan Society for the Promotion of Science under KAKENHI Grant 25709032, KAKENHI Grant 26630180, and KAKENHI Grant 25007652 and in part by research grants from the Iwatani Naoji Foundation, the SCAT Foundation, and the Konica Minolta Science and Technology Foundation.",

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doi = "10.1109/JPHOT.2016.2550321",

language = "English",

volume = "8",

journal = "IEEE Photonics Journal",

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AU - Lee, Heeyoung

AU - Mizuno, Yosuke

AU - Nakamura, Kentaro

N1 - Funding Information: This work was supported in part by the Japan Society for the Promotion of Science under KAKENHI Grant 25709032, KAKENHI Grant 26630180, and KAKENHI Grant 25007652 and in part by research grants from the Iwatani Naoji Foundation, the SCAT Foundation, and the Konica Minolta Science and Technology Foundation.

PY - 2016/6

Y1 - 2016/6

N2 - 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.

AB - 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.

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KW - nonlinear optics

KW - optical fiber sensors

KW - pump-probe technique

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

Abstract

Keywords

ASJC Scopus subject areas

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