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    A dynamically-tunable graphene-based fano metasurface

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    Type
    Conference Paper
    Authors
    Amin, Muhammad
    Farhat, Mohamed
    Bagci, Hakan cc
    KAUST Department
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering Program
    Computational Electromagnetics Laboratory
    Date
    2013-09
    Permanent link to this record
    http://hdl.handle.net/10754/564805
    
    Metadata
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    Abstract
    A planar graphene metasurface with rectangular holes, which is capable of supporting a dynamically tunable Fano resonance at Terahertz (THz) frequencies, is proposed. The rectangular hole is patterned asymmetrically within the metasurface's unit cell to 'brighten' an originally-dark quadrupolar surface plasmon mode. Fano resonance is achieved via the destructive interference of this mode with a dipolar surface plasmon. The spectral location and line shape of the Fano resonance can be dynamically tuned via a gate voltage applied to the metasurface to change graphene's optical properties. The dynamic tunability of the Fano resonance suggests the applicability of the proposed metasurface in designing THz wave modulators and band-pass filters. © 2013 IEEE.
    Citation
    Amin, M., Farhat, M., & Bagci, H. (2013). A dynamically-tunable graphene-based fano metasurface. 2013 7th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics. doi:10.1109/metamaterials.2013.6809017
    Publisher
    Institute of Electrical and Electronics Engineers (IEEE)
    Journal
    2013 7th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics
    Conference/Event name
    2013 7th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, METAMATERIALS 2013
    DOI
    10.1109/MetaMaterials.2013.6809017
    ae974a485f413a2113503eed53cd6c53
    10.1109/MetaMaterials.2013.6809017
    Scopus Count
    Collections
    Conference Papers; Electrical and Computer Engineering Program; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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