Author Affiliations

A. Askitopoulos,^1,* H. Ohadi,¹ T. C. H. Liew,² Z. Hatzopoulos,^3,5 P. G. Savvidis,^3,4 A. V. Kavokin,^1,6 and P. G. Lagoudakis¹

¹School of Physics and Astronomy, University of Southampton, Southampton, SO17 1BJ, United Kingdom

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

³Foundation for Research and Technology - Hellas, Institute of Electronic Structure and Laser, PO Box 1527, 71110 Heraklion, Crete, Greece

⁴Department of Materials Science and Technology, University of Crete, PO Box 2208, 71003 Heraklion, Crete, Greece

⁵Department of Physics, University of Crete, PO Box 2208, 71003 Heraklion, Crete, Greece

⁶Spin Optics Laboratory, St-Petersburg State University, 1, Ulianovskaya, St-Peterbsurg, 198504, Russia

^*Corresponding author: Alexis.Askitopoulos@soton.ac.uk