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Proceedings Paper

Compact terahertz wave broadband reflectors based on silicon photonic crystal slabs
Author(s): Xiaolong Hao; Zexuan Qiang; Zhiyong Chen; Yanmin Zheng; Junzhen Jiang; Xiyao Chen; Yishen Qiu
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Paper Abstract

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.

Paper Details

Date Published: 27 November 2012
PDF: 7 pages
Proc. SPIE 8555, Optoelectronic Devices and Integration IV, 855509 (27 November 2012); doi: 10.1117/12.999574
Show Author Affiliations
Xiaolong Hao, Fujian Normal Univ. (China)
Zexuan Qiang, Fujian Normal Univ. (China)
Zhiyong Chen, Fujian Normal Univ. (China)
Yanmin Zheng, Fujian Normal Univ. (China)
Junzhen Jiang, Fujian Normal Univ. (China)
Xiyao Chen, Minjiang Univ. (China)
Yishen Qiu, Fujian Normal Univ. (China)

Published in SPIE Proceedings Vol. 8555:
Optoelectronic Devices and Integration IV
Xuping Zhang; Hai Ming; Joel M. Therrien, Editor(s)

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