標題: Engineering the bandgap of a two-dimensional photonic crystal with slender dielectric veins
作者: Liu, Wen-Long
Yang, Tzong-Jer
電子物理學系
Department of Electrophysics
關鍵字: photonic band gap;photonic crystals;band structure
公開日期: 1-十月-2007
摘要: This study proposes the double-hybrid-rods structure of two-dimensional (2D) photonic crystals of a square lattice. A square dielectric rod connected with slender rectangular dielectric veins on the middle of each side,of dielectric square rod. Some specific modes are found to be sensitive to certain structural parameters, such as the length, the dielectric constant and the shift of the position of the veins, etc., and giving rise to a new complete PBG at lower index bands. These results could be understood by the use of band structure point of view. In particular, by carefully adjusting the structural parameters, the band structure of the photonic crystal can be substantially engineered to achieve large bandgaps. (C) 2007 Elsevier B.V.. All rights reserved.
URI: http://dx.doi.org/10.1016/j.physleta.2007.05.045
http://hdl.handle.net/11536/10269
ISSN: 0375-9601
DOI: 10.1016/j.physleta.2007.05.045
期刊: PHYSICS LETTERS A
Volume: 369
Issue: 5-6
起始頁: 518
結束頁: 523
顯示於類別:期刊論文


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