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

doi:10.1088/1674-1056/28/2/024101

中国物理B ›› 2019, Vol. 28 ›› Issue (2): 24101-024101.doi: 10.1088/1674-1056/28/2/024101

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

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

Guan-Xia Yu(余观夏), Jing-Jing Fu(付晶晶), Wen-Wen Du(杜文文), Yi-Hang Lv(吕一航), Min Luo(骆敏)

1 College of Science, Nanjing Forestry University, Nanjing 210037, China;
2 College of of Information Science and Technology, Nanjing Forestry University, Nanjing 210037, China

收稿日期:2018-05-14 修回日期:2018-10-26 出版日期:2019-02-05 发布日期:2019-02-05
通讯作者: Guan-Xia Yu E-mail:sys@njfu.edu.cn

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

Guan-Xia Yu(余观夏)^1,2, Jing-Jing Fu(付晶晶)², Wen-Wen Du(杜文文)², Yi-Hang Lv(吕一航)², Min Luo(骆敏)¹

1 College of Science, Nanjing Forestry University, Nanjing 210037, China;
2 College of of Information Science and Technology, Nanjing Forestry University, Nanjing 210037, China

Received:2018-05-14 Revised:2018-10-26 Online:2019-02-05 Published:2019-02-05
Contact: Guan-Xia Yu E-mail:sys@njfu.edu.cn

摘要/Abstract

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.

关键词: magneto-optical medium, nonreciprocal transmission, nonreciprocity

Abstract: 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.

Key words: magneto-optical medium, nonreciprocal transmission, nonreciprocity

中图分类号: (Electromagnetic wave propagation; radiowave propagation)

41.20.Jb

73.20.Mf (Collective excitations (including excitons, polarons, plasmons and other charge-density excitations)) 73.90.+f (Other topics in electronic structure and electrical properties of surfaces, interfaces, thin films, and low-dimensional structures)

余观夏, 付晶晶, 杜文文, 吕一航, 骆敏. Nonreciprocal transmission of electromagnetic waves by three-layer magneto-optical mediums[J]. 中国物理B, 2019, 28(2): 24101-024101.

Guan-Xia Yu(余观夏), Jing-Jing Fu(付晶晶), Wen-Wen Du(杜文文), Yi-Hang Lv(吕一航), Min Luo(骆敏). Nonreciprocal transmission of electromagnetic waves by three-layer magneto-optical mediums[J]. Chin. Phys. B, 2019, 28(2): 24101-024101.

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

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

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