1. School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore, 639798, Singapore
2. CINTRA CNRS/NTU/THALES, UMI 3288, Research Techno Plaza, 50 Nanyang Drive, Border Block, Level 6, Singapore, 637553, Singapore
3. Université Paris Diderot, Sorbonne Paris Cité, Laboratoire Matériaux et Phénomènes Quantiques, UMR7162, 75013 Paris, France
4. ETH Zurich, Institute of Quantum Electronics, Auguste-Piccard-Hof 1, Zurich 8093, Switzerland