Extraordinary resonance transmission of two-dimensional terahertz metallic photonic crystals without defect

被引：7
|
作者：
Yu, Jun [1 ,2 ]
Li, Lie-Ming [1 ,2 ]
Meng, Cui [3 ]
机构：
[1] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China
[2] Tsinghua Univ, State Key Lab Low Dimens Quantum Phys, Beijing 100084, Peoples R China
[3] Tsinghua Univ, Dept Engn Phys, Minist Educ, Key Lab Particle & Radiat Imaging, Beijing 100084, Peoples R China
来源：
PHYSICA B-CONDENSED MATTER | 2012年 / 407卷 / 24期
基金：
中国国家自然科学基金;
关键词：
Metallic photonic crystal; Resonance transmission; THz; BAND-GAP MATERIALS; FREQUENCIES;
D O I：
10.1016/j.physb.2012.09.016
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
In this paper, we have demonstrated a kind of extraordinary transmission in the photonic first pass band of two-dimensional terahertz metallic photonic crystals: in the regime of low-middle metal filling radio, resonances among the metallic cylinders lead to sharp and high resonance peaks of Lorentz type, layer dependency of the peak numbers. The effect of positional disorders of metallic cylinders has been investigated as well. Based on a simple model proposed in this paper, we can intuitively understand the extraordinary transmission and roughly estimate resonance frequencies. Our results agree qualitatively with the experimental data reported in Appl. Phys. Lett. 65, 645. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：4738 / 4740
页数：3
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