One-Way Electromagnetic Mode at the Surface of a Magnetized Gyromagnetic Medium

被引：4
|
作者：
Yu, Zaihe [1 ]
Wang, Zhuoyuan [1 ]
Shen, Linfang [2 ]
Deng, Xiaohua [2 ]
机构：
[1] Zhejiang Univ, Ningbo Inst Technol, Ningbo 315010, Zhejiang, Peoples R China
[2] Nanchang Univ, Inst Space Sci & Technol, Nanchang 330031, Peoples R China
来源：
ELECTRONIC MATERIALS LETTERS | 2014年 / 10卷 / 05期
基金：
中国国家自然科学基金;
关键词：
one-way mode; surface plasmon polaritons; waveguide; bulk mode; MAGNETOSTATIC MODES; FERRITE SLAB;
D O I：
10.1007/s13391-014-3204-9
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The interface of magnetized gyromagnetic medium and air can sustain a surface electromagnetic mode that propagates only in one direction. This nonreciprocal phenomenon originates from the breakage of the time-reversal symmetry of the system by the application of an external DC magnetic field. Accordingly, a one-way waveguide structure is proposed, the guiding mode of which not only travels in a single direction but also is robust against boundary imperfections. The unique properties of this one-way waveguide are demonstrated through mode analysis as well as numerical simulation.
引用
收藏
页码：969 / 973
页数：5
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