1. Division of Physics and Applied Physics, School of Physical and Mathematical Sciences Nanyang Technological University Singapore Singapore
2. School of Materials Science and Engineering Yancheng Institute of Technology Yancheng the People's Republic of China
3. Department of Physics Tezpur University (Central University) Tezpur India
4. School of Materials Science and Engineering Nanyang Technological University Singapore Singapore
5. Max Planck Institute of Microstructure Physics Halle (Saale) Germany
6. The Photonics Institute and Centre for Disruptive Photonic Technologies Nanyang Technological University Singapore Singapore
7. Center for Quantum Technologies National University of Singapore Singapore Singapore