1. School of Electrical and Electronic Engineering Nanyang Technological University 50 Nanyang Avenue 639798 Singapore
2. Institute of Fundamental and Frontier Sciences University of Electronic Science and Technology of China Sichuan 611731 China
3. Center for Programmable Materials School of Materials Science and Engineering Nanyang Technological University 50 Nanyang Avenue 639798 Singapore
4. School of Physical and Mathematical Sciences Nanyang Technological University 50 Nanyang Avenue 639798 Singapore
5. Laboratory of Bio Optical Imaging Singapore Bioimaging Consortium (SBIC) Agency for Science, Technology and Research (A*STAR) 11 Biopolis Way 138667 Singapore
6. Chair in Hybrid Nanosystems Nanoinstitute Munich Faculty of Physics Ludwig‐Maximilians‐Universität München 80539 München Germany