Dynamic Terahertz Modulator Based on Tunable Dispersion of Spoof Surface Plasmon Polaritons

被引：0
|
作者：
Sheng, Xuan [1 ,2 ]
Bi, Chunyang [1 ,2 ]
Feng, Wei [1 ,2 ]
Wang, Lan [1 ,2 ]
Gong, Sen [1 ,2 ]
Zhang, Yaxin [1 ,2 ]
机构：
[1] Univ Elect Sci & Technol China, Chengdu 610054, Sichuan, Peoples R China
[2] Univ Elect Sci & Technol China, Yangtze Delta Reg Inst Huzhou, Huzhou 313001, ZJ, Peoples R China
来源：
2021 46TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER AND TERAHERTZ WAVES (IRMMW-THZ) | 2021年
关键词：
D O I：
10.1109/IRMMW-THz50926.2021.9567515
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：
In this paper, a terahertz dynamic modulator based on Spoof Surface Plasmon Polaritons (SSPPs) is proposed. The dispersion of the grooves can be adjusted by changing the phase state of the embedded vanadium dioxide, which induces a variation of the SSPPs cut-off frequency. Then dynamic modulation is achieved through the coupling between the 2D grooves with different cut-off frequencies. Theoretical results show that isolation of up to 21.27 dB can be achieved in the 65 GHz band with a center frequency of 0.34 THz.
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页数：2
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