1. Photosciences and Photonics Group; Chemical Sciences and Technology Division and Academy of Scientific and Innovative Research (AcSIR); CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST); Thiruvananthapuram 695019 India
2. Division of Chemistry and Biological Chemistry; School of Physical and Mathematical Sciences; Nanyang Technological University; 21 Nanyang Link 637371 Singapore Singapore
3. College of Physics and Technology; Shenzhen University; Shenzhen 518060 China
4. Division of Physics and Applied Physics; Centre for Disruptive Photonic Technologies (CDPT); School of Physical and Mathematical Sciences; Nanyang Technological University; 21 Nanyang Link 637371 Singapore Singapore
5. School of Chemical and Biomedical Engineering; Nanyang Technological University, 62 Nanyang Drive; 637459 Singapore Singapore
6. Nanosystem Research Institute; National Institute of Advanced Industrial Science and Technology (AIST); Tsukuba Central 2 Tsukuba 3058568 Japan
7. Department of Physiology; Yong Loo Lin School of Medicine; National University of Singapore; 117597 Singapore Singapore