Tunable full bandgap in a three-dimensional photonic crystal modulated by a nematic liquid crystal

機構典藏 > College of Engineering > Graduate Institute & Department of Mechanical and Electro-Mechanical Engineering > Journal Article > Item 987654321/65456

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Title:	Tunable full bandgap in a three-dimensional photonic crystal modulated by a nematic liquid crystal
Authors:	Liu, Chen-Yang;Chen, Lien-Wen
Contributors:	淡江大學機械與機電工程學系
Keywords:	Photonic bandgap;Diamond lattice;Liquid crystals
Date:	2006-10
Issue Date:	2013-07-09 15:31:09 (UTC+8)
Publisher:	Amsterdam: Elsevier BV * North-Holland
Abstract:	Photonic crystals (PCs) have many potential applications because of their ability to control light-wave propagation. We have investigated the tunable full bandgap in a three-dimensional PC structure modulated by a nematic liquid crystal (LC). Numerical simulations show that the band gaps can be continuously tuned in a diamond dielectric structure consisting of air spheres by infiltrating nematic LCs. Then we can control the full bandgap of a PC structure. We analyzed the variations of full gap by considering various index modulations of LCs. Such a mechanism of bandgap adjustment should open up a new application for designing components in photonic integrated circuits.
Relation:	Physica E: Low-dimensional Systems and Nanostructures 35(1), pp.173-177
DOI:	10.1016/j.physe.2006.07.028
Appears in Collections:	[Graduate Institute & Department of Mechanical and Electro-Mechanical Engineering] Journal Article

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