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8 January 2008 Opto-electronic control of terahertz metamaterials
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Abstract
We demonstrate external control of metamaterials operating at terahertz frequencies. Through photodoping of semiconducting substrates, used to support metamaterial arrays, we show ultrafast switching times. New metamaterial "grids" are presented, which may be formed by the union of electric metamaterials arrays. Metamaterial grids are then utilized to form a Schottky contact are used to demonstrate voltage switching of the metamaterials resonance. Both devices presented may be utilized to form novel devices at terahertz frequencies and also scaled to other energy regimes of interest.
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Willie J. Padilla, Hou-Tong Chen, John F. O'Hara, Antoinette J. Taylor, and Richard D. Averitt "Opto-electronic control of terahertz metamaterials", Proc. SPIE 6801, Photonics: Design, Technology, and Packaging III, 68010H (8 January 2008); https://doi.org/10.1117/12.759163
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