Independently tunable multichannel terahertz filters

We numerically demonstrate terahertz multichannel filters with independently tunable defect modes based on fractal photonic crystMs. Single defect and multiple defects models are proposed to fabricate the multichannel terahertz filters. The facts that the wave functions of the defect states do not o...

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Published inChinese physics B Vol. 20; no. 9; pp. 175 - 181
Main Author 张会云 高营 张玉萍 王世范
Format Journal Article
LanguageEnglish
Published IOP Publishing 01.09.2011
Subjects
Computer simulation
Crystal defects
Fractal analysis
Fractals
Mathematical models
Multichannel
Photonic crystals
Wave functions
可调
多声道
多通道
太赫兹
数字表
模型制作
缺陷模
过滤器
Online AccessGet full text
ISSN1674-1056
2058-3834
DOI10.1088/1674-1056/20/9/094101

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Summary:We numerically demonstrate terahertz multichannel filters with independently tunable defect modes based on fractal photonic crystMs. Single defect and multiple defects models are proposed to fabricate the multichannel terahertz filters. The facts that the wave functions of the defect states do not overlap and their bases are orthogonal lead to the independency among the defect modes. The simulated results theoretically provide the principle for fabricating independently tunable multichannel terahertz filters by utilizing one-dimensional phot（~nic crystals with defects.
Bibliography:We numerically demonstrate terahertz multichannel filters with independently tunable defect modes based on fractal photonic crystMs. Single defect and multiple defects models are proposed to fabricate the multichannel terahertz filters. The facts that the wave functions of the defect states do not overlap and their bases are orthogonal lead to the independency among the defect modes. The simulated results theoretically provide the principle for fabricating independently tunable multichannel terahertz filters by utilizing one-dimensional phot（~nic crystals with defects.
fractal structure, photonic crystal, terahertz filter, defect
Zhang Hui-Yun Gao Ying Zhang Yu-Ping and Wang Shi-Fan College of Science, Shandong University of Science and Technology, O, ingdao 266510, China
11-5639/O4
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ISSN:1674-1056
2058-3834
DOI:10.1088/1674-1056/20/9/094101