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Title: Terahertz superconductor metamaterial
Authors: Gu, J.
Singh, R.
Tian, Z.
Cao, W.
Xing, Q.
He, M.
Zhang, J.W.
Han, J. 
Chen, H.-T.
Zhang, W.
Issue Date: 16-Aug-2010
Citation: Gu, J., Singh, R., Tian, Z., Cao, W., Xing, Q., He, M., Zhang, J.W., Han, J., Chen, H.-T., Zhang, W. (2010-08-16). Terahertz superconductor metamaterial. Applied Physics Letters 97 (7) : -. ScholarBank@NUS Repository.
Abstract: We characterize the behavior of split ring resonators made up of high transition temperature yttrium barium copper oxide superconductor using terahertz time-domain spectroscopy measurements and numerical simulations. The superconductor metamaterial is found to show a remarkable change in the transmission spectra at the fundamental inductive-capacitive resonance as the temperature dips below the critical transition temperature. This resonance switching effect is normally absent in traditional metamaterials made up of regular metals. The temperature-dependent resonance behavior of the superconducting metamaterial would lead to development of low loss terahertz switches at cryogenic temperatures. © 2010 American Institute of Physics.
Source Title: Applied Physics Letters
ISSN: 00036951
DOI: 10.1063/1.3479909
Appears in Collections:Staff Publications

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