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Issue 33, 2016
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Graphene-based tunable terahertz plasmon-induced transparency metamaterial

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Abstract

A novel terahertz plasmon induced transparency (PIT) metamaterial structure consisting of single-layered graphene microstructures was proposed and numerically studied in this study. A pronounced transparency peak was obtained in the transmission spectrum, which resulted from the destructive interference between the graphene dipole and monopole antennas. Further investigations have shown that the spectral location and lineshape of the transparency peak can be dynamically controlled by tuning the Fermi level in graphene. Since the monopole antennas in our designed structure exist in a continuous form, a more convenient method for tunablity is available by applying a gate voltage compared to those structures with discrete graphene patterns. This work may open up new avenues for designing tunable terahertz functional devices and slow light devices.

Graphical abstract: Graphene-based tunable terahertz plasmon-induced transparency metamaterial

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Publication details

The article was received on 14 Oct 2015, accepted on 24 Jul 2016 and first published on 26 Jul 2016


Article type: Paper
DOI: 10.1039/C5NR07114C
Citation: Nanoscale, 2016,8, 15273-15280
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    Graphene-based tunable terahertz plasmon-induced transparency metamaterial

    X. Zhao, C. Yuan, L. Zhu and J. Yao, Nanoscale, 2016, 8, 15273
    DOI: 10.1039/C5NR07114C

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