Magnetic photonic crystals for terahertz tunable filter and multifunctional polarization controller

被引：23

作者：

Fan, Fei ^{[1
]}

Guo, Zhan ^{[1
]}

Bai, Jin-Jun ^{[1
]}

Wang, Xiang-Hui ^{[1
]}

Chang, Sheng-Jiang ^{[1
]}

机构：

[1] Nankai Univ, Inst Modern Opt, Key Lab Optoelect Informat Sci & Technol, Minist Educ, Tianjin 300071, Peoples R China

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2011年 / 28卷 / 04期

基金：

中国国家自然科学基金; 高等学校博士学科点专项科研基金;

关键词：

SWITCH;

D O I：

10.1364/JOSAB.28.000697

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We numerically investigate the photonic bandgaps as well as the transmission properties of a two-dimensional magnetic photonic crystal (PC) in the terahertz (THz) region by the plane wave expansion and finite-difference time-domain methods. The calculation predicts a magnetic PC waveguide that can work as a tunable filter with a bandwidth larger than 0: 1 THz, and its central frequency is from 0.83 to 1: 03 THz. It also shows that a magnetic PC can be used as a polarization controller with three functions, including controllable polarizing, polarization beam splitting, and -pi-pi phase shifting. (C) 2011 Optical Society of America

引用

页码：697 / 702

页数：6

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