Electric Control of Electromagnetically Induced Transparency-like at Terahertz Frequency

被引：2
|
作者：
Chen, Tao [1 ]
Ren, Yi [1 ]
Ma, Yong [1 ]
Hao, Honggang [1 ]
Ran, Jia [1 ,2 ]
机构：
[1] Chongqing Univ Posts & Telecommun, Sch Optoelect Engn, Chongqing 400065, Peoples R China
[2] Postdoctoral Res Ctr Chongqing Key Lab Photoelect, Chongqing 400065, Peoples R China
来源：
2021 46TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER AND TERAHERTZ WAVES (IRMMW-THZ) | 2021年
关键词：
ACTIVE CONTROL;
D O I：
10.1109/IRMMW-THz50926.2021.9566854
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We propose an electrically controlled electromagnetically-induced-transparency-like (EIT-like) metasurface combined with high electron mobility transistor (HEMT). The metasurface can be switched between two states by modulating voltage loaded on the gate of HEMT. Modulation depth of 95.9% and the maximum group index of 213.2 are achieved. This kind of electrical control of slow-wave resulting from EIT-like effect has potential applications in terahertz communications.
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页数：2
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