Pressure-controlled terahertz filter based on 1D photonic crystal with a defective semiconductor

被引：0

作者：

薛钦文 ^{[1
]}

王晓华 ^{[1
,2
]}

刘成林 ^{[1
]}

刘友文 ^{[2
]}

机构：

[1] College of New Energy and Electronics Engineering, Yancheng Teachers University

[2] College of Science, Nanjing University of Aeronautics and

来源：

PlasmaScienceandTechnology. | 2018年 / 20卷 / 03期

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D O I：

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学科分类号：

摘要：

The tunable terahertz（THz） filter has been designed and studied, which is composed of 1D photonic crystal（PC） containing a defect layer of semiconductor Ga As. The analytical solution of 1D defective PC（1DDPC） is deduced based on the transfer matrix method, and the electromagnetic plane wave numerical simulation of this 1DDPC is performed by using the finite element method. The calculated and simulated results have confirmed that the filtering transmittance of this 1DDPC in symmetric structure of air/（Si/SiO2）N/GaAs/（SiO2/Si）N/air is far higher than in asymmetric structure of air/（Si/SiO2）N/GaAs/（Si/SiO2）N/air, where the filtering frequency can be tuned by the external pressure. It can provide a feasible route to design the external pressure-controlled THz filter based on 1DPC with a defective semiconductor.

引用

页数：7

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[1] Pressure-controlled terahertz filter based on 1D photonic crystal with a defective semiconductor
薛钦文
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刘成林
刘友文
[J]. Plasma Science and Technology, 2018, (03) : 126 - 132
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