Guided acoustic waves Brillouin scattering in multi-core fibers

H. Hagai Diamandi; Yosef London; Avi Zadok

doi:10.1117/12.2264574

23 April 2017 Guided acoustic waves Brillouin scattering in multi-core fibers

H. Hagai Diamandi, Yosef London, Avi Zadok

Proceedings Volume 10323, 25th International Conference on Optical Fiber Sensors; 103236Y (2017) https://doi.org/10.1117/12.2264574
Event: 25th International Conference on Optical Fiber Sensors, 2017, Jeju, Korea, Republic of

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.

Citation Download Citation

H. Hagai Diamandi, Yosef London, and Avi Zadok "Guided acoustic waves Brillouin scattering in multi-core fibers", Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103236Y (23 April 2017); https://doi.org/10.1117/12.2264574

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