Multichannel filtering properties of quaternary photonic crystals containing single-negative materials

Multichannel filtering properties of quaternary photonic crystals containing single-negative materials
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单负材料四元光子晶体的多通道滤波特性

DOI:
10.1140/epjd/s10053-020-00002-6
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发表时间:
2021-01
期刊:
THE EUROPEAN PHYSICAL JOURNAL D
影响因子:
--
通讯作者:
Yunlin Chen
Yunlin Chen
中科院分区:
其他
文献类型:
--
作者:
Mengjiao Zhang;Yizhou Xing;Yunlin Chen

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提出了由四种单负材料堆叠而成的一维四元光子晶体(ABCD),并利用传输矩阵方法研究了这种结构的多通道滤波特性。结果表明,在这种光子晶体结构中存在一种类似于零带隙的光子带隙,称为s-零带隙。结构的多通道滤波特性可以通过改变周期数、层厚度、介电常数和磁导率来控制。分析了滤波器的角响应特性,结果表明,在1.1GHz以下,该结构的带隙与入射角无关。这为基于PC的全方向可调谐角度敏感多通道滤波器的设计提供了一种新的思路。
AbstractOne-dimensional quaternary photonic crystal (ABCD)stacked by four kinds of single-negative materials is proposed, and the multichannel filtering properties of the structure (ABCD)is investigated using the transfer matrix method. The result shows that a type of photonic gap named s-zero-gap that is similar to the zero-gap is found in the photonic structure. The multichannel filtering properties of the structures can be controlled by varying the period number, layer thickness, permittivity (and permeability (. Moreover, the angular response of the filter is analyzed, which indicates that the bandgap of the structure is independent of the incident angle at the frequency is under 1.1 GHz. Thus it provides a new way to design tunable omnidirectional and angle-sensitive multichannel filters for the applications in optical filters based on PCs.Graphic abstract
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