1. Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University,Shenzhen,China,518060
2. Key Laboratory of Nondestructive Test (Ministry of Education),Nanchang Hangkong University,Nanchang,China,330063
3. Key Lab of In-fiber Integrated Optics, Ministry Education of China, Harbin Engineering University,Harbin,China,150001
4. Institute of Optoelectronic Technology, China Jiliang University,Hangzhou,China,310018