Finite element analysis of stimulated Brillouin scattering in integrated photonic waveguides

Björn C. P. Sturmberg; Kokou Bertin Dossou; Michael J. A. Smith; Blair Morrison; Christopher G. Poulton; Michael J. Steel

doi:10.1109/JLT.2019.2920844

Finite element analysis of stimulated Brillouin scattering in integrated photonic waveguides

Björn C. P. Sturmberg, Kokou Bertin Dossou, Michael J. A. Smith, Blair Morrison, Christopher G. Poulton, Michael J. Steel^*

^*Corresponding author for this work

Research output: Contribution to journal › Article

4 Citations (Scopus)

Abstract

We describe a finite element algorithm for modeling stimulated Brillouin scattering in optical waveguides of arbitrary cross-section. The method allows rapid calculation of optical and elastic dispersion relations, field profiles, and gain. Additionally, we provide an open and extensible set of standard problems and reference materials to facilitate the bench-marking of our solver against subsequent tools. Such a resource is needed to help settle discrepancies between existing formulations and implementations, and to facilitate comparison between results in the literature. The resulting standardized testing framework will allow the community to gain confidence in new algorithms and will provide a common tool for the comparison of experimental designs of opto-acoustic waveguides.

Original language	English
Pages (from-to)	3791-3804
Number of pages	14
Journal	Journal of Lightwave Technology
Volume	37
Issue number	15
DOIs	https://doi.org/10.1109/JLT.2019.2920844
Publication status	Published - 1 Aug 2019

Keywords

Computational acoustics
computational electromagnetism
finite element method
opto-acoustics
stimulated Brillouin scattering

Access to Document

10.1109/JLT.2019.2920844

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title = "Finite element analysis of stimulated Brillouin scattering in integrated photonic waveguides",

abstract = "We describe a finite element algorithm for modeling stimulated Brillouin scattering in optical waveguides of arbitrary cross-section. The method allows rapid calculation of optical and elastic dispersion relations, field profiles, and gain. Additionally, we provide an open and extensible set of standard problems and reference materials to facilitate the bench-marking of our solver against subsequent tools. Such a resource is needed to help settle discrepancies between existing formulations and implementations, and to facilitate comparison between results in the literature. The resulting standardized testing framework will allow the community to gain confidence in new algorithms and will provide a common tool for the comparison of experimental designs of opto-acoustic waveguides.",

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AU - Poulton, Christopher G.

AU - Steel, Michael J.

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