1School of Photoelectric Engineering, Changchun University of Science and Technology, Changchun 130022, Jilin , China
2Physics Department, Harbin Institute of Technology, Harbin 150001, Heilongjiang , China
3Key Laboratory of Optoelectric Measurement and Optical Information Transmission Technology of Ministry of Education, Changchun University of Science and Technology, Changchun 130022, Jilin , China