Transformation optics simulation method for stimulated Brillouin scattering
Roberto Zecca, Patrick T. Bowen, David R. Smith, St\'ephane Larouche
TL;DR
This paper introduces a transformation optics-based simulation method for accurately modeling stimulated Brillouin scattering in complex systems within a frequency-domain finite-element framework.
Contribution
It presents a novel transformation optics approach that enables full-wave simulation of stimulated Brillouin scattering, bridging electromagnetic and mechanical solvers in a unified manner.
Findings
Successfully applied to bulk and guided systems
Results agree with established theory
Enables detailed frequency-domain simulations
Abstract
We develop a novel approach to enable the full-wave simulation of stimulated Brillouin scattering and related phenomena in a frequency-domain, finite-element environment. The method uses transformation optics techniques to implement a time-harmonic coordinate transform that reconciles the different frames of reference used by electromagnetic and mechanical finite-element solvers. We show how this strategy can be successfully applied to bulk and guided systems, comparing the results with the predictions of established theory.
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