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Enhanced forward stimulated Brillouin scattering in silicon photonic slot waveguide Bragg grating

Xu, Y., Zhou, L., Lu, L., Chen, J. and Rahman, B. M. ORCID: 0000-0001-6384-0961 (2019). Enhanced forward stimulated Brillouin scattering in silicon photonic slot waveguide Bragg grating. Journal of Physics D: Applied Physics, 52(18), doi: 10.1088/1361-6463/ab06d6

Abstract

We study the forward stimulated Brillouin scattering process in a suspended silicon slot waveguide Bragg grating. Full-vectorial formalism is applied to analyze the interplay of electrostriction and radiation pressure. We show that radiation pressure is the dominant factor in the proposed waveguide. The Brillouin gain strongly depends on the structural parameters and the maximum value in the order of 106 W−1 m−1 is obtained in the slow light regime, which is more than two orders larger than that of the stand-alone strip and slot waveguides.

Publication Type: Article
Additional Information: This is an author-created, un-copyedited version of an article accepted for publication in Journal of Physics D: Applied Physics. The publisher is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at https://doi.org/10.1088/1361-6463/ab06d6.
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Departments: School of Mathematics, Computer Science & Engineering > Engineering > Electrical & Electronic Engineering
URI: http://openaccess.city.ac.uk/id/eprint/21965
[img] Text - Accepted Version
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