Koulouklidis AD, Tasolamprou AC, Daskalaki C, Mavidis CP, Kenanakis G, Deligeorgis G, Viskadourakis Z, Kuzhir P, Kafesaki M, Economou EN, et al. Experimental observation of ultrafast THz absorption modulation in a graphene-based metasurface. In: 2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019. ; 2019.