Nonreciprocal transmission of electromagnetic waves by three-layer magneto-optical mediums

被引：8
作者：
Yu, Guan-Xia [1 ,2 ]
Fu, Jing-Jing [2 ]
Du, Wen-Wen [2 ]
Lv, Yi-Hang [2 ]
Luo, Min [1 ]
机构：
[1] Nanjing Forestry Univ, Coll Sci, Nanjing 210037, Jiangsu, Peoples R China
[2] Nanjing Forestry Univ, Coll Informat Sci & Technol, Nanjing 210037, Jiangsu, Peoples R China
来源：
CHINESE PHYSICS B | 2019年 / 28卷 / 02期
关键词：
magneto-optical medium; nonreciprocal transmission; nonreciprocity; PHOTONIC BAND-GAP; CRYSTAL; STATE;
D O I：
10.1088/1674-1056/28/2/024101
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We investigate the non-reciprocal transmission properties of a three-layer structure filled with magneto-optical medium and normal medium. Based on the transfer matrix method, we deduce the total transmission coefficient for a one-dimensional (1D) structure with anisotropic mediums. When two-side layers with magneto-optical medium loaded in opposite external magnetic field, the time-reversal symmetry of transmission properties will be broken. Our numerical results show that the non-reciprocal transmission properties are influenced by external magnetic fields, incident angle, and thickness of the normal medium layer. Since the non-reciprocal properties can be easily realized and adjusted by the simple structure, such a design has potential applications in integrated circulators and isolators.
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页数：5
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