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2014-04-18

Optimization of a Plasmon-Assisted Waveguide Coupler Using FEM and Mmp

By Mengyu Wang, Aytac Alparslan, Sascha M. Schnepp, and Christian Hafner
Progress In Electromagnetics Research B, Vol. 59, 219-229, 2014
doi:10.2528/PIERB14030703

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


Mengyu Wang, Aytac Alparslan, Sascha M. Schnepp, and Christian 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
http://jpier.org/PIERB/pier.php?paper=14030703

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