1. Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronics Engineering, Shenzhen University, Shenzhen 518060, China
2. Department of Biomedical Engineering, School of Medicine, Shenzhen University, Shenzhen 518060, China
3. School of Civil Aviation, Northwestern Polytechnical University, Xi’an 710072, People’s Republic of China
4. College of Material Science and Engineering, Shenzhen University, Shenzhen 518060, China
5. Department of Electronic Engineering, The Chinese University of Hong Kong, Hong Kong SAR, China