Magnetically tunable enhanced absorption of circularly polarized light in graphene-based 1D photonic crystals

被引：30
作者：
Rashidi, Arezou [1 ]
Namdar, Abdolrahman [1 ]
Abdi-Ghaleh, Reza [2 ]
机构：
[1] Univ Tabriz, Fac Phys, Tabriz, Iran
[2] Univ Bonab, Dept Laser & Opt Engn, Bonab, Iran
来源：
APPLIED OPTICS | 2017年 / 56卷 / 21期
关键词：
ABSORBER;
D O I：
10.1364/AO.56.005914
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We theoretically investigate the magnetic-field-induced terahertz absorption enhancement of a graphene-based one-dimensional photonic crystal using the 4 x 4 transfer matrix method for the circular polarization of light. The results show that the magnetically tunable absorption of the structure depends on the circular polarization state, magnetic circular dichroism, and, interestingly, absorption behaviors of right-handed and left-handed circularly polarized light interchange by changing the direction of the magnetic field. These properties can be used to design the circular-polarization-based sensors. (C) 2017 Optical Society of America
引用
收藏
页码：5914 / 5919
页数：6
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