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Evolution of Surface Acoustic Waves in an Optical Microfiber

Emami, S. D., Lee, H. L., Rahman, M. M., Abdullah, F., Abdul-Rashid, H. A., Dashtabi, M. M. and Rahman, B. M. (2017). Evolution of Surface Acoustic Waves in an Optical Microfiber. IEEE Journal of Quantum Electronics, 53(5), 6800808.. doi: 10.1109/JQE.2017.2747152

Abstract

This paper reports stimulated Brillouin scattering characterization in a tapered optical fiber using full-vectorial finite element-based numerical methods. Numerical simulations of both optical and acoustic waves’ propagation through a tapered microfiber have been carried out. Acoustic modes over a range of wavenumber for different fiber core radii are obtained and nature of their both dominant and non-dominant displacement vector profiles are studied and discussed. Acoustic mode profiles show confinement of the acoustic wave predominantly at the core cladding interface. In addition, the acoustooptical overlap factors at different fiber radii are also presented.

Publication Type: Article
Additional Information: © 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Publisher Keywords: Optical microfiber, surface acoustic wave, SBS, FEM
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Departments: School of Mathematics, Computer Science & Engineering > Engineering
URI: http://openaccess.city.ac.uk/id/eprint/18292
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