1. Department of Electrical and Computer Engineering National University of Singapore Singapore Singapore
2. Key Laboratory of Optoelectronic Technology & Systems of Ministry of Education, International R & D center of Micro‐nano Systems and New Materials Technology Chongqing University Chongqing People's Republic of China
3. Center for Intelligent Sensors and MEMS (CISM) National University of Singapore Singapore Singapore
4. National University of Singapore Suzhou Research Institute (NUSRI) Suzhou People's Republic of China
5. NUS Graduate School—Integrative Sciences and Engineering Programme (ISEP) National University of Singapore Singapore Singapore