1. Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
2. Université Grenoble Alpes, CEA, CNRS, IRIG, SyMMES, F-38000 Grenoble, France
3. LUMINOUS! Center of Excellence for Semiconductor Lighting and Displays, The Photonics Institute, School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, Singapore
4. Centre for Quantum Technologies, National University of Singapore, Singapore 117543, on Singapore
5. National Institute of Education, Nanyang Technological University, 1 Nanyang Walk Singapore 637616, Singapore
6. UNAM─Institute of Materials Science and Nanotechnology, The National Nanotechnology Research Center, Department of Electrical and Electronics Engineering, Department of Physics, Bilkent University, Bilkent, Ankara 06800, Turkey
7. School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
8. SKKU Institute of Energy Science and Technology (SIEST), Sungkyunkwan University, 2066 Seobu-ro, Jangan-gu, Suwon-si, Gyeonggi-do 440-746, Korea