1 Shenzhen Key Laboratory of Photonic Devices and Sensing Systems for Internet of Things, Guangdong and Hong Kong Joint Research Centre for Optical Fibre Sensors, State Key Laboratory of Radio Frequency Heterogeneous Integration, Shenzhen University, Shenzhen 518060, People’s Republic of China
2 Shenzhen Key Laboratory of Ultrafast Laser Micro/Nano Manufacturing, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education/Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, People’s Republic of China
3 Guangdong Laboratory of Artificial Intelligence and Digital Economy (SZ), Shenzhen 518107, People’s Republic of China
4 Department of Electronic Engineering, Chinese University of Hong Kong, Hong Kong, People’s Republic of China
5 Department of Applied Physics, The Hong Kong Polytechnic University, Hong Kong, People’s Republic of China