1. College of Electronics and Information Engineering, Shenzhen University, Shenzhen 518060, PR China
2. Shenzhen Key Laboratory of Sensor Technology, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, PR China
3. School of Microelectronics, South China University of Technology, Guangzhou 511442, China
4. State Key Laboratory of Digital Manufacturing Equipment and Technology (DMET), Huazhong University of Science and Technology, Wuhan 430074, China