1Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Ministry of Education, School of Communication and Information Engineering, Shanghai University, Shanghai 200444, China
2Key Laboratory of Optoelectronic and Telecommunication of Jiangxi Province, School of Physics and Communication Electronics, Jiangxi Normal University, Nanchang 330022, Jiangxi, China
3Henan Key Laboratory of Optoelectronic Sensing Integrated Application, College of Electronic and Electrical Engineering, Henan Normal University, Xinxiang 453007, Henan, China