1. Taiyuan University of Technology, MicroNano System Research Center, Taiyuan, ChinabShanxi Province and Ministry of Education, Key Laboratory of Advanced Transducers and Intelligent Control System, Taiyuan, China
2. Shanghai University, Key Laboratory Specialty Fiber Optics and Optical Access Networks, Shanghai, China
3. Taiyuan University of Technology, MicroNano System Research Center, Taiyuan, ChinadHong Kong Polytechnic University, Shenzhen Research Institute, Shenzhen, China