Author Affiliations

Lucy Hale,¹ Thomas Siday,¹ Polina P. Vabishchevich,^2,3 C. Thomas Harris,^2,3 Ting Shan Luk,^2,3 John F. Reno,^2,3 Igal Brener,^2,3 and Oleg Mitrofanov^1,2,*

¹Electronic and Electrical Engineering, University College London, London, WC1E 7JE UK

²Center for Integrated Nanotechnologies, Sandia National Laboratories, Albuquerque, NM 87123

³Sandia National Laboratories, Albuquerque, NM 87185, USA

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