FDTD Modeling of Graphene Devices Using Complex Conjugate Dispersion Material Model

被引：109

作者：

Lin, Hai ^{[1
]}

Pantoja, Mario F. ^{[2
]}

Angulo, Luis D. ^{[2
]}

Alvarez, Jesus ^{[3
]}

Martin, Rafael G. ^{[2
]}

Garcia, Salvador G. ^{[2
]}

机构：

[1] Cent China Normal Univ, Wuhan 430079, Peoples R China

[2] Univ Granada, Dept Electromagnetism & Matter Phys, E-18071 Granada, Spain

[3] EADS CASA, Cassidian, Getafe 28906, Spain

来源：

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2012年 / 22卷 / 12期

关键词：

Auxiliary differential equation (ADE); metal-insulator-metal (MIM); surface plasmon-polariton (SPP); PLASMONICS;

D O I：

10.1109/LMWC.2012.2227466

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：

Graphene-based devices constitute a pioneering field of research for their extraordinary electromagnetic properties. The incorporation of appropriate models into numerical simulators is necessary in order to take advantage of these properties. In this work, we propose a method to incorporate graphene-sheet models into the FDTD method. The use of vector-fitting techniques expands the permittivity of graphene into a rational function series of complex conjugate pole-residue pairs, which is implemented into FDTD by an auxiliary differential equation formulation. Simple waveguiding problems validate our approach.

引用

页码：612 / 614

页数：3

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