1. CINTRA (CNRS-International-NTU-THALES Research Alliances/UMI 3288), Research Techno Plaza, 50 Nanyang Drive, Border X Block, Level 6, Singapore 637553, Singapore
2. School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
3. Research Center for Photonics, National Research and Innovation Agency (BRIN), Bld 442 Kawasan Puspiptek Serpong, Banten 15314, Indonesia
4. Theoretical Physics Division, Department of Physics, IPB University, Jl Meranti, Wing S Building, Dramaga Campus of IPB, Bogor 16680 West Java, Indonesia
5. Department of Physics, National University of Singapore, 2 Science Drive 3, Singapore 117551, Singapore
6. Łukasiewicz Research Network─PORT Polish Center for Technology Development, Stabłowicka 147, 54-066 Wrocław, Poland