Efficient effective permittivity treatment for the 2D-FDTD simulation of photonic crystals

被引：15
|
作者：
Jalali, T. [1 ]
Rauscher, K.
Mohammadi, A.
Erni, D.
Hafner, Ch.
Baechtold, W.
Shoushtari, M. Z.
机构：
[1] ETH, Commun Photon Grp, Lab Electromagnet Fields & Microwave Elect, CH-8092 Zurich, Switzerland
[2] ETH, Computat Opt Grp, Lab Electromagnet Fields & Microwave Elect, CH-8092 Zurich, Switzerland
[3] Univ Duisburg Essen, Fac Engn, ATE, D-47048 Duisburg, Germany
[4] Shahid Chamran Univ, Dept Phys, Ahvaz, Iran
[5] Persian Gulf Univ, Dept Phys, Bushehr, Iran
[6] Eurospace GmbH, D-60313 Frankfurt, Germany
来源：
JOURNAL OF COMPUTATIONAL AND THEORETICAL NANOSCIENCE | 2007年 / 4卷 / 03期
关键词：
photonic crystal; photonic crystal waveguide; FDTD method;
D O I：
10.1166/jctn.2007.029
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this paper, we present an efficient effective permittivity treatment for the two-dimensional Finite-Difference Time-Domain (2D-FDTD) method that can be applied to dielectric interfaces. Various issues related to simulation arrangements are discussed based on the 60 degrees photonic crystal (PhC) waveguide bend as a test case. The transmission, obtained numerically, agrees very well with other two-dimensional simulation methods, namely the finite-element method (2D-FEM) and the 2D multiple multipole program (2D-MMP). Compared to other FDTD schemes, such as staircasing and the volume averaging method, our model performs faster and provides more accurate results for the dielectric interface.
引用
收藏
页码：644 / 648
页数：5
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