Issue |
J. Eur. Opt. Soc.-Rapid Publ.
Volume 15, Number 1, 2019
Highlights of EOSAM 2018
|
|
---|---|---|
Article Number | 3 | |
Number of page(s) | 4 | |
DOI | https://doi.org/10.1186/s41476-019-0098-z | |
Published online | 27 March 2019 |
Short Report
An auxiliary field approach for computing optical resonances in dispersive media
1
Zuse Institute Berlin, Takustraße 7, 14195, Berlin, Germany
2
JCMwave GmbH, Bolivarallee 22, 14050, Berlin, Germany
Received:
20
December
2018
Accepted:
12
February
2019
We report on an auxiliary field approach for solving nonlinear eigenvalue problems occurring in nano-optical systems with material dispersion. The material dispersion can be described by a rational function for the frequency-dependent permittivity, e.g., by a Drude-Lorentz model or a rational function fit to measured material data. The approach is applied to compute plasmonic resonances of a metallic grating.
Key words: Maxwell’s equations / Material dispersion / Nonlinear eigenvalue problems / Auxiliary field approach
© The Author(s) 2019
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