A 3D Discontinuous Galerkin Time-domain Method for Nano Plasmonics with a Nonlocal Dispersion Model

被引：0
|
作者：
Schmitt, N. [1 ]
Viquerat, J. [1 ]
Scheid, C. [2 ]
Lanteri, S. [1 ]
Moeferdt, M. [3 ]
Busch, K. [3 ,4 ]
机构：
[1] Cote dAzur Univ, INRIA, CNRS, LJAD, Paris, France
[2] Cote dAzur Univ, LJAD, CNRS, INRIA, Paris, France
[3] Humboldt Univ, Inst Phys, AG Theoret Opt & Photon, Berlin, Germany
[4] Max Born Inst Nichtlineare Opt & Kurzzeitspektros, Berlin, Germany
来源：
2017 PROGRESS IN ELECTROMAGNETICS RESEARCH SYMPOSIUM - SPRING (PIERS) | 2017年
关键词：
MAXWELLS EQUATIONS; OPTICAL-PROPERTIES; DGTD METHOD; SPHERES; CONVERGENCE; STABILITY;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We present recent advances in the development of a Discontinuous Galerkin Time Domain (DGTD) solver for computational nanophotonics, focusing on metallic nanostructures irradiated by laser pulses. After a brief reminder about the DGTD method in the nano-optics framework, we discuss a nonlocal dispersion model for the electron gas, which accounts for spatial dispersion that becomes important for structure sizes between 2 nm and 25 nm. Then, we deal with the numerical modeling of this nonlocal model when coupled to the 3D Maxwell's equations in time-domain. We conclude by assessing our implementation with analytical solutions and provide selected numerical examples.
引用
收藏
页码：2792 / 2799
页数：8
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