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Progress In Electromagnetics Research B
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OPTIMIZATION OF A PLASMON-ASSISTED WAVEGUIDE COUPLER USING FEM AND MMP

By M. Wang, A. Alparslan, S. M. Schnepp, and C. Hafner

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Abstract:
In this paper, we focus on the problem of optimizing plasmonic structures. A plasmon-assisted waveguide coupler is considered as a test problem, which leads to a five-dimensional optimization problem carried out by an evolution strategy (ES). The optimization results are verified by a comparative analysis between different solvers, i.e., the finite element package CONCEPTs and the multiple multipole program (MMP). We also compared with results obtained using a deterministic optimization algorithm, namely the Nedler-Mead method as implemented in the commercial software package COMSOL Multiphysics. Some issues concerning deterministic versus evolutionary optimization, in particular, in the field of plasmonics have been discussed.

Citation:
M. Wang, A. Alparslan, S. M. Schnepp, and C. Hafner, "Optimization of a Plasmon-Assisted Waveguide Coupler Using FEM and Mmp," Progress In Electromagnetics Research B, Vol. 59, 219-229, 2014.
doi:10.2528/PIERB14030703

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