Author Affiliations

Alexander M. Dubrovkin,^1,2,* Giorgio Adamo,^1,2 Lan Wang,³ Qi Jie Wang,^1,2,4 Nikolay I. Zheludev,^1,2,5 and Cesare Soci^1,2,4

¹Centre for Disruptive Photonic Technologies, TPI, Nanyang Technological University, 637371 Singapore

²School of Physical and Mathematical Sciences, Nanyang Technological University, 637371 Singapore

³RMIT University, Department of Physics, School of Applied Sciences, Melbourne, VIC 3000, Australia

⁴School of Electrical and Electronic Engineering, Nanyang Technological University, 639798 Singapore

⁵Optoelectronics Research Centre and Centre for Photonic Metamaterials, University of Southampton, SO17 1BJ, UK

^*Corresponding author: dubrovkin@ntu.edu.sg