Author Affiliations

Viktoriia E. Babicheva,^1,2,3 Nathaniel Kinsey,² Gururaj V. Naik,² Marcello Ferrera,^2,4 Andrei V. Lavrinenko,¹ Vladimir M. Shalaev,^2,5 and Alexandra Boltasseva^2,1,*

¹DTU Fotonik – Department of Photonics Engineering, Technical University of Denmark, Oersteds Plads 343, DK-2800 Kgs. Lyngby, Denmark

²School of Electrical & Computer Engineering and Birck Nanotechnology Center, Purdue University, 1205 West State Street, West Lafayette, IN 47907-2057 USA

³National Research University for Information Technology, Mechanics, and Optics, Kronverkskiy, 49, St. Petersburg 197101, Russia

⁴Also with the School of Engineering and Physical Sciences, Heriot-Watt University, David Brewster Building, Edinburgh, Scotland EH14 4AS, United Kingdom

⁵The Russian Quantum Center, Novaya Str., 100, BC “URAL”, Skolkovo, Moscow region, 143025, Russia

^*Corresponding author: aeb@purdue.edu