Terahertz Emission from Ultrafast Time-Varying Metamaterials

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

Research output: Chapter in Book/Report/Conference proceedingConference contribution


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.
Original languageEnglish (US)
Title of host publicationConference on Lasers and Electro-Optics
ISBN (Print)978-1-6654-4792-8
StatePublished - 2021


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