Author Affiliations

Víctor Torres,¹ Nuria Sánchez,² David Etayo,³ Rubén Ortuño,¹ Alejandro Martínez,² Miguel Navarro-Cía,^*,4,5 and Miguel Beruete¹

¹TERALAB (MmW – THz – IR & Plasmonics Laboratory), Universidad Pública de Navarra, Pamplona 31006, Spain

²Nanophotonics Technology Center, Universitat Politècnica de València, 46022, Valencia, Spain

³Antenna Group, Electric and Electronic Department, Universidad Pública de Navarra, Pamplona 31006, Spain

⁴Department of Electrical and Electronic Engineering, Imperial College London, South Kensington Campus, London SW7 2BT, UK

⁵Department of Electronic & Electrical Engineering, University College London, Torrington Place, London WC1E 7JE, UK

^*Corresponding author: m.navarro@imperial.ac.uk