Author Affiliations

Fan Yang,^1,2,3,# Yan Zhao,^1,2,3 Yun Qi,^1,2 Yanzhen Tan,^1,2 Hoi Lut Ho,^1,2 and Wei Jin^1,2,*

¹Department of Electrical Engineering, The Hong Kong Polytechnic University, Hong Kong, China

²Photonic Sensors Research Center, The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, China

³These two authors contributed equally to this work

^#Current address: EPFL Swiss Federal Institute of Technology, Group for Fibre Optics, SCI-STI-LT, CH-1015 Lausanne, Switzerland

^*Corresponding author: wei.jin@polyu.edu.hk