An auxiliary field approach for computing optical resonances in dispersive media

被引:5
作者
Binkowski, Felix [1 ]
Zschiedrich, Lin [2 ]
Burger, Sven [1 ,2 ]
机构
[1] Zuse Inst Berlin, Takustr 7, D-14195 Berlin, Germany
[2] JCMwave GmbH, Bolivarallee 22, D-14050 Berlin, Germany
基金
欧盟地平线“2020”;
关键词
Maxwell's equations; Material dispersion; Nonlinear eigenvalue problems; Auxiliary field approach;
D O I
10.1186/s41476-019-0098-z
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
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.
引用
收藏
页数:4
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