Author Affiliations

Miguel Navarro-Cia,^1,2 Carlos M. Bledt,³ Jeffrey Melzer,³ Miriam S. Vitiello,⁴ Harvey E. Beere,⁵ David A. Ritchie,⁵ James A. Harrington,³ and Oleg Mitrofanov^2,*

¹Department of Electrical and Electronic Engineering, Imperial College London, South Kensington Campus, London SW7 2BT, UK

²Department of Electronic & Electrical Engineering, University College London, Torrington Place, London WC1E 7JE, UK

³Department of Materials Science and Engineering, Rutgers University, 607 Taylor Rd., Piscataway, New Jersey 08854, USA

⁴NEST, CNR—Istituto Nanoscienze and Scuola Normale Superiore, Piazza San Silvestro 12, Pisa 1-56127, Italy

⁵Cavendish Laboratory, University of Cambridge, JJ Thomson Avenue, Cambridge CB3 0HE, UK

^*Corresponding author: o.mitrofanov@ucl.ac.uk