Defect modes merging in one-dimensional photonic crystals with multiple single-negative material defects
Defect modes merging in one-dimensional photonic crystals with multiple single-negative material defects
复制标题
具有多个单负材料缺陷的一维光子晶体中的缺陷模式合并
DOI:
10.1063/1.2832661
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发表时间:
2008-01
影响因子:
4
通讯作者:
Chen, Yihang
中科院分区:
文献类型:
--
作者:
Chen, Yihang
Twin defect modes are found to merge into each other in one-dimensional photonic crystals consisting of periodic layers of single-negative (permittivity- or permeability-negative) materials and multiple single-negative defect layers. By increasing the size or the number of the defects, the two defect modes both approach to the middle of the forbidden band gap, then merge when the photonic structure becomes nihility. In addition, the electric fields at the central frequency of the band gap could be designed to be strongly localized at just one interface between the defect layers and the periodic layers of the photonic crystal with low transmission.
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