Ultrafast modulation of a THz metamaterial/graphene array integrated device

We report on the ultrafast modulation of a graphene loaded artificial metasurface realized on a SiO2/Si substrate by near-IR laser pump, detected via terahertz probe at the resonant frequency of ∼0.8 THz. The results have been acquired by setting the Fermi energy of graphene at the Dirac point via e...

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Veröffentlicht in:	Applied physics letters 2022-08, Vol.121 (9)
Hauptverfasser:	Zaman, Abdullah M., Saito, Yuichi, Lu, Yuezhen, Kholid, Farhan Nur, Almond, Nikita W., Burton, Oliver J., Alexander-Webber, Jack, Hofmann, Stephan, Mitchell, Thomas, Griffiths, Jonathan D. P., Beere, Harvey E., Ritchie, David A., Mikhaylovskiy, Rostislav V., Degl'Innocenti, Riccardo
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied physics Graphene Metamaterials Modulation Optoelectronics Reconfiguration Recovery time Resonant frequencies Silicon dioxide Silicon substrates Terahertz frequencies Wireless communications
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