Non-reciprocal Transmission of Electromagnetic Waves in Asymmetric Photonic Crystals

被引：5
|
作者：
Yu, Guanxia [1 ,2 ]
Du, Wenwen [2 ]
Zhang, Xiaomeng [3 ]
Luo, Min [1 ]
Xia, Lijuan [4 ]
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
[3] Nanjing Forestry Univ, Coll Mat Sci & Engn, Nanjing 210037, Jiangsu, Peoples R China
[4] Univ Massachusetts, Dept Elect & Comp Engn, Amherst, MA 01003 USA
来源：
ZEITSCHRIFT FUR NATURFORSCHUNG SECTION A-A JOURNAL OF PHYSICAL SCIENCES | 2019年 / 74卷 / 06期
关键词：
Magneto-optical Medium; Non-reciprocal Transmission; Non-reciprocity; PLASMON RESONANCE SPECTROSCOPY; OPTICAL TAMM STATES; SURFACE; SILVER;
D O I：
10.1515/zna-2018-0506
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The non-reciprocal transmission properties of transverse electric (TE) mode waves are investigated for two asymmetric, complex photonic crystals composed of magnetic gyrotropic and normal media. Three pairs of non-reciprocal transmission peaks in three different bandgaps for forward and backward waves occur because of optical Tamm states (OTSs) at the interface between the photonic crystals. Numerical results indicate that the non-reciprocal transmission properties are influenced by the incident angles, gyrotropic permeability, and number of layers of the photonic crystals. The asymmetric structure with multiple non-reciprocal transmission peaks at a certain incident angle can provide promising opportunities for the design of multichannel isolators.
引用
收藏
页码：539 / 544
页数：6
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