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Proceedings Paper

Guided acoustic waves Brillouin scattering in multi-core fibers
Author(s): H. Hagai Diamandi; Yosef London; Avi Zadok
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Paper Abstract

Guided acoustic waves Brillouin scattering (GAWBS) was recently shown to facilitate chemical sensing outside the cladding of an unmodified fiber, even though the guided light wave never reaches the substance under test. In this work, the study of GAWBS is extended to commercially-available, multi-core fibers. We show that GAWBS leads to inter-core cross-phase modulation, between cores that are otherwise optically isolated from one another. The observed modulation spectrum is in excellent agreement with the predictions of an opto-mechanical analysis of the fiber. Use of multi-core fibers would improve the signal-to-noise ratio in GAWBS-based sensors, and may enable distributed analysis.

Paper Details

Date Published: 23 April 2017
PDF: 4 pages
Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103236Y (23 April 2017); doi: 10.1117/12.2264574
Show Author Affiliations
H. Hagai Diamandi, Bar-Ilan Univ. (Israel)
Yosef London, Bar-Ilan Univ. (Israel)
Avi Zadok, Bar-Ilan Univ. (Israel)

Published in SPIE Proceedings Vol. 10323:
25th International Conference on Optical Fiber Sensors
Youngjoo Chung; Wei Jin; Byoungho Lee; John Canning; Kentaro Nakamura; Libo Yuan, Editor(s)

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