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Conferences > CLEO_QELS > 2021 > FW2O > FW2O.1

Terahertz Emission from Ultrafast Time-Varying Metamaterials

J. Tunesi, L. Peters, J. S. Totero Gongora, L. Olivieri, A. Fratalocchi, A. Pasquazi, and M. Peccianti

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Abstract

We demonstrate a time-dependent dielectric metasurface with sub-cycle dynamics coupled with a photoexcited electromagnetic source. The ultrafast photoexcitation of nanostructured Silicon acts as a temporal discontinuity affecting the nonlinear response responsible for terahertz emission.

© 2021 The Author(s)

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