Compact Terahertz Wave Broadband Reflectors based on Silicon Photonic Crystal Slabs

被引：1
|
作者：
Hao, Xiaolong [1 ]
Qiang, Zexuan [1 ]
Chen, Zhiyong [1 ]
Zheng, Yanmin [1 ]
Jiang, Junzhen [1 ]
Chen, Xiyao
Qiu, Yishen [1 ]
机构：
[1] Fujian Normal Univ, Inst Laser & Optoelect Technol, Fujian Prov Key Lab Photon Technol, Key Lab OptoElect Sci & Technol Med,Minist Educ, Fuzhou 350007, Peoples R China
来源：
OPTOELECTRONIC DEVICES AND INTEGRATION IV | 2012年 / 8555卷
关键词：
Reflectors; Photonic crystals; Terahertz wave; Fano Resonance; Rigorous coupled wave analysis (RCWA);
D O I：
10.1117/12.999574
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We propose a compact Terahertz (THz) wave broadband reflector based on the effect of guided mode resonance in photonic crystal slabs. The photonic crystal slabs consist of a square array of circular air holes in silicon. A novel method based on a map of localized bandwidth with defined reflectivity is introduced to analyze the impact of normalized thickness and hole size. The rigorous coupled-wave analysis (RCWA) technique is then applied to analyze its performance. The numerical simulations show that the proposed configuration can offer a broadband frequency range from 2.27THz to 2.89THz with beyond 95% reflectivity.
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页数：7
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