Design of terahertz beam splitter based on surface plasmon resonance transition

doi:10.1088/1674-1056/25/4/047301

中国物理B ›› 2016, Vol. 25 ›› Issue (4): 47301-047301.doi: 10.1088/1674-1056/25/4/047301

• CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES • 上一篇下一篇

Design of terahertz beam splitter based on surface plasmon resonance transition

Xiang Liu(刘项), Dong-Xiao Yang(杨冬晓)

1 College of Information Science & Electronic Engineering, Zhejiang University, Hangzhou 310027, China;
2 Research Center for Terahertz Technology, Zhejiang University, Hangzhou 310027, China

收稿日期:2015-07-22 修回日期:2015-12-25 出版日期:2016-04-05 发布日期:2016-04-05
通讯作者: Dong-Xiao Yang E-mail:yangdx@zju.edu.cn

Design of terahertz beam splitter based on surface plasmon resonance transition

Xiang Liu(刘项)^1,2, Dong-Xiao Yang(杨冬晓)^1,2

1 College of Information Science & Electronic Engineering, Zhejiang University, Hangzhou 310027, China;
2 Research Center for Terahertz Technology, Zhejiang University, Hangzhou 310027, China

Received:2015-07-22 Revised:2015-12-25 Online:2016-04-05 Published:2016-04-05
Contact: Dong-Xiao Yang E-mail:yangdx@zju.edu.cn

摘要/Abstract

摘要： According to the resonance transition between propagating surface plasmon and localized surface plasmon, we demonstrate a design of beam splitter that can split terahertz wave beams in a relatively broad frequency range. The transmission properties of the beam splitter are analyzed utilizing the finite element method. The resonance transition between two kinds of plasmons can be explained by a model of coherent electron cloud displacement.

关键词: terahertz, surface plasmon, splitter, resonance transition

Abstract: According to the resonance transition between propagating surface plasmon and localized surface plasmon, we demonstrate a design of beam splitter that can split terahertz wave beams in a relatively broad frequency range. The transmission properties of the beam splitter are analyzed utilizing the finite element method. The resonance transition between two kinds of plasmons can be explained by a model of coherent electron cloud displacement.

Key words: terahertz, surface plasmon, splitter, resonance transition

中图分类号: (Collective excitations (including excitons, polarons, plasmons and other charge-density excitations))

73.20.Mf

52.65.-y (Plasma simulation) 91.30.Fn (Surface waves and free oscillations)

刘项, 杨冬晓. Design of terahertz beam splitter based on surface plasmon resonance transition[J]. 中国物理B, 2016, 25(4): 47301-047301.

Xiang Liu(刘项), Dong-Xiao Yang(杨冬晓). Design of terahertz beam splitter based on surface plasmon resonance transition[J]. Chin. Phys. B, 2016, 25(4): 47301-047301.

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Design of terahertz beam splitter based on surface plasmon resonance transition

Design of terahertz beam splitter based on surface plasmon resonance transition

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