Two-Dimensional Metallic Photonic Crystal with Point Defect Analysis Using Modified Finite-Difference Frequency-Domain Method

被引：9
|
作者：
Li, Y. L. [1 ]
Xue, Q. Z. [1 ]
Du, C. H. [1 ]
机构：
[1] Chinese Acad Sci, Inst Elect, Key Lab High Power Microwave Sources & Technol, Beijing 100080, Peoples R China
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 2010年 / 28卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Defect; finite-difference frequency-domain; photonic crystal; supercell; BAND-GAPS; TRANSMISSION; PROPAGATION;
D O I：
10.1109/JLT.2009.2034871
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 have derived a modified finite-difference frequency-domain (FDFD) algorithm for two-dimensional (2-D) metallic photonic crystal (MPC) analysis. Using this method, the numerical results for the transverse-electric (TE) and transverse-magnetic (TM) modes in square and triangular lattices are in excellent agreements with those from other method. Then the correspondence of the band gaps between a unit cell and a supercell is demonstrated. Furthermore, by comparing the field distributions of the defect modes in a point defected MPC and a point defected dielectric photonic crystal (DPC), it is found that the defect MPC has a higher degree of localization, which means that MPC is preponderant for resonator and waveguide applications in millimeter wave and sub-millimeter wave bands.
引用
收藏
页码：216 / 222
页数：7
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