1. Institute of Advanced Photonics School of Physics Harbin Institute of Technology Harbin 150080 China
2. Engineering Product Development Pillar Singapore University of Technology and Design 8 Somapah Road Singapore 487372 Singapore
3. Institute of High Performance Computing A*STAR (Agency for Science, Technology and Research) 1 Fusionopolis Way, #16‐16 Connexis Singapore 138632 Singapore
4. Department of Electrical and Computer Engineering National University of Singapore 4 Engineering Drive 3 Singapore 117583 Singapore
5. Institute of Materials Research and Engineering A*STAR (Agency for Science, Technology and Research) 2 Fusionopolis Way #08‐03 Innovis Singapore 138634 Singapore