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

页码：2792 / 2799

页数：8

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