Electrical dynamic modulation of THz radiation based on superconducting metamaterials

We demonstrate an electrically tunable superconducting metamaterial capable of modulating terahertz waves dynamically. The device is based on electromagnetically induced transparency-like metamaterials, and the maximum modulation depth reaches 79.8% in the transmission window. Controlled by an elect...

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Veröffentlicht in:Applied physics letters 2017-08, Vol.111 (9)
Hauptverfasser: Li, Chun, Wu, Jingbo, Jiang, Shoulu, Su, Runfeng, Zhang, Caihong, Jiang, Chengtao, Zhou, Gaochao, Jin, Biaobing, Kang, Lin, Xu, Weiwei, Chen, Jian, Wu, Peiheng
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container_issue 9
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container_title Applied physics letters
container_volume 111
creator Li, Chun
Wu, Jingbo
Jiang, Shoulu
Su, Runfeng
Zhang, Caihong
Jiang, Chengtao
Zhou, Gaochao
Jin, Biaobing
Kang, Lin
Xu, Weiwei
Chen, Jian
Wu, Peiheng
description We demonstrate an electrically tunable superconducting metamaterial capable of modulating terahertz waves dynamically. The device is based on electromagnetically induced transparency-like metamaterials, and the maximum modulation depth reaches 79.8% in the transmission window. Controlled by an electrical sinusoidal signal, such a device could achieve a modulation speed of approximately 1 MHz. The superior property and simplicity of design make this device promising for the development of high performance THz systems.
doi_str_mv 10.1063/1.4997097
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subjects Applied physics
Metamaterials
Modulation
title Electrical dynamic modulation of THz radiation based on superconducting metamaterials
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