Terahertz absorption of graphene enhanced by one-dimensional photonic crystal

被引：0
|
作者：
Xie Ling-Yun [1 ,2 ]
Xiao Wen-Bo [3 ]
Huang Guo-Qing [1 ]
Hu Ai-Rong [1 ]
Liu Jiang-Tao [1 ,4 ]
机构：
[1] Nanchang Univ, Dept Phys, Nanchang 330031, Peoples R China
[2] Sun Yat Sen Univ, Sch Phys & Engn, Guangzhou 510275, Guangdong, Peoples R China
[3] Nanchang Hang Kong Univ, Minist Educ, Key Lab Non Destruct Test, Nanchang 330063, Peoples R China
[4] Nanchang Univ, Inst Adv Study, Nanoscale Sci & Technol Lab, Nanchang 330031, Peoples R China
来源：
ACTA PHYSICA SINICA | 2014年 / 63卷 / 05期
基金：
中国国家自然科学基金;
关键词：
graphene; photonic crystal; terahertz radiation; pseudomagnetic field; TIME;
D O I：
10.7498/aps.63.057802
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The terahertz (THz) radiation absorption of graphene layers in a pseudomagnetic field, prepared on top of a one-dimensional photonic crystal (1DPC), is investigated theoretically. Discrete Landau levels can be found in graphene in a pseudomagnetic field. Strong THz transitions may be found between the discrete Landau levels. The THz absorption of graphene can also be tuned by varying either pseudomagnetic field or the distance between the graphene and the 1DPC.
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页数：10
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