Author Affiliations

Romain Tirole,^1,*,† Stefano Vezzoli,^1,* Emanuele Galiffi,² Benjamin Tilmann,³ Paloma A. Huidobro,⁴ Andrea Alù,^2,5 Stefan A Maier,^1,6 John B Pendry,¹ and Riccardo Sapienza¹

¹The Blackett Laboratory, Department of Physics, Imperial College London; London SW7 2BW, United Kingdom

²Photonics Initiative, Advanced Science Research Center, City University of New York; 85 St. Nicholas Terrace, 10031, New York, NY, USA

³Chair in Hybrid Nanosystems, Nanoinstitut München, Ludwig-Maximilians-Universität München; 80539 München, Germany

⁴Instituto de Telecomunicações, Instituto Superior Tecnico-University of Lisbon, Avenida Rovisco Pais 1, Lisboa, 1049-001 Portugal

⁵Physics Program, Graduate Center, City University of New York, New York, NY 10016, USA

⁶School of Physics and Astronomy, Monash University; Clayton Victoria 3800, Australia

^*These authors contributed equally to this work.

^† romain.tirole16@imperial.ac.uk