Theoretical study on the photonic band gap in one-dimensional photonic crystals with graded multilayer structure

被引:0
|
作者
范春珍 [1 ,2 ]
王俊俏 [1 ]
何金娜 [1 ]
丁佩 [3 ]
梁二军 [1 ]
机构
[1] School of Physical Science and Engineering,and Key Laboratory of Materials Physics of Ministry of Education of China,Zhengzhou University
[2] State Key Laboratory of Surface Physics and Department of Physics,Fudan University
[3] Department of Mathematics and Physics,Zhengzhou Institute of Aeronautical Industry Management
基金
中国国家自然科学基金; 高等学校博士学科点专项科研基金;
关键词
graded photonic crystals; multilayer; band gap;
D O I
暂无
中图分类号
O734 [晶体的光学性质];
学科分类号
0803 ;
摘要
We theoretically investigate the photonic band gap in one-dimensional photonic crystals with a graded multilayer structure. The proposed structure constitutes an alternating composite layer (metallic nanoparticles embedded in TiO2 film) and an air layer. Regarding the multilayer as a series of capacitance, effective optical properties are derived. The dispersion relation is obtained with the solution of the transfer matrix equation. With a graded structure in the composite layer, numerical results show that the position and width of the photonic band gap can be effectively modulated by varying the number of the graded composite layers, the volume fraction of nanoparticles and the external stimuli.
引用
收藏
页码:246 / 250
页数:5
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