Single mode to dual mode switch through a THz reconfigurable metamaterial

Wu Zhang; Meng Zhang; Zongkai Yan; Xin Zhao; Jianping Cheng; Ai Qun Liu

doi:10.1063/1.5008984

Single mode to dual mode switch through a THz reconfigurable metamaterial

Wu Zhang, Meng Zhang, Zongkai Yan, Xin Zhao, Jianping Cheng, Ai Qun Liu

Research output: Journal article publication › Journal article › Academic research › peer-review

9 Citations (Scopus)

Abstract

Metamaterials interact with incident electromagnetic waves through their consisting subwavelength metamolecules. In this paper, we reported a reconfigurable metamaterial which tunes its THz response experimentally from a single mode resonance at 2.99 THz to a dual mode resonance at 2.94 THz and 2.99 THz. The reconfiguration is realized through a micromachined actuator, and the tunability is achieved by breaking the symmetry of the metamolecule. An abrupt change in the transmission is experimentally observed when the gap between two metallic structures is closed, and a decrease in transmission from 40% to 5% at 2.94 THz is obtained. Such a tunable metamaterial promises widespread applications in optical switches, filters, and THz detectors.

Original language	English
Article number	241106
Journal	Applied Physics Letters
Volume	111
Issue number	24
DOIs	https://doi.org/10.1063/1.5008984
Publication status	Published - 11 Dec 2017
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.5008984

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title = "Single mode to dual mode switch through a THz reconfigurable metamaterial",

abstract = "Metamaterials interact with incident electromagnetic waves through their consisting subwavelength metamolecules. In this paper, we reported a reconfigurable metamaterial which tunes its THz response experimentally from a single mode resonance at 2.99 THz to a dual mode resonance at 2.94 THz and 2.99 THz. The reconfiguration is realized through a micromachined actuator, and the tunability is achieved by breaking the symmetry of the metamolecule. An abrupt change in the transmission is experimentally observed when the gap between two metallic structures is closed, and a decrease in transmission from 40% to 5% at 2.94 THz is obtained. Such a tunable metamaterial promises widespread applications in optical switches, filters, and THz detectors.",

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AU - Zhang, Wu

AU - Zhang, Meng

AU - Yan, Zongkai

AU - Zhao, Xin

AU - Cheng, Jianping

AU - Liu, Ai Qun

PY - 2017/12/11

Y1 - 2017/12/11

N2 - Metamaterials interact with incident electromagnetic waves through their consisting subwavelength metamolecules. In this paper, we reported a reconfigurable metamaterial which tunes its THz response experimentally from a single mode resonance at 2.99 THz to a dual mode resonance at 2.94 THz and 2.99 THz. The reconfiguration is realized through a micromachined actuator, and the tunability is achieved by breaking the symmetry of the metamolecule. An abrupt change in the transmission is experimentally observed when the gap between two metallic structures is closed, and a decrease in transmission from 40% to 5% at 2.94 THz is obtained. Such a tunable metamaterial promises widespread applications in optical switches, filters, and THz detectors.

AB - Metamaterials interact with incident electromagnetic waves through their consisting subwavelength metamolecules. In this paper, we reported a reconfigurable metamaterial which tunes its THz response experimentally from a single mode resonance at 2.99 THz to a dual mode resonance at 2.94 THz and 2.99 THz. The reconfiguration is realized through a micromachined actuator, and the tunability is achieved by breaking the symmetry of the metamolecule. An abrupt change in the transmission is experimentally observed when the gap between two metallic structures is closed, and a decrease in transmission from 40% to 5% at 2.94 THz is obtained. Such a tunable metamaterial promises widespread applications in optical switches, filters, and THz detectors.

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Single mode to dual mode switch through a THz reconfigurable metamaterial

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