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Proceedings Paper

Tunable multichannel guided-mode resonance photonic crystal filter
Author(s): Guoguo Wei; Hua Gao; Haochong Huang; Zhiyuan Zheng
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Paper Abstract

A guided-mode resonance(GMR) filter which can work at multiple tunable frequencies is designed and obtained by using a readily available photonic crystal. The photonic crystal consists of several layers of dielectric rods with different radii in each layer. When light is incident upon this photonic crystal at a small incident angle, guided mode resonance in each rod layer will be excited. At the resonant frequencies, nearly 100% narrow reflection peaks with zero reflection sidebands, an excellent GRM filter, can be obtained. In addition, the resonant frequency of each layer is closely related to the radius of the rod and all the resonances of the whole structure almost don't interact with each other. Therefore, by adjusting the radii of the rods in each layer, the operating frequencies of the filter can be freely tuned both individually and simultaneously, a perfect tunable multichannel GMR photonic crystal filter is obtained. This optical device has apparent advantages, simple structure, small and compact size, easy fabrication and integration. Therefore, it has great application potential in modern optical network.

Paper Details

Date Published: 15 November 2018
PDF: 7 pages
Proc. SPIE 10964, Tenth International Conference on Information Optics and Photonics, 109643P (15 November 2018); doi: 10.1117/12.2505962
Show Author Affiliations
Guoguo Wei, China Univ. of Geosciences (China)
Hua Gao, China Univ. of Geosciences (China)
Capital Normal Univ. (China)
Haochong Huang, China Univ. of Geosciences (China)
Zhiyuan Zheng, China Univ. of Geosciences (China)

Published in SPIE Proceedings Vol. 10964:
Tenth International Conference on Information Optics and Photonics
Yidong Huang, Editor(s)

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