1. The School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China
2. Key Laboratory of Photoelectronic Imaging Technology and System, Ministry of Education of China, Beijing 100081, China
3. Chongqing Innovation Center, Beijing Institute of Technology, Chongqing 401135, China
4. College of Optoelectronic Engineering, Chongqing University, Chongqing 400044, China