1. Key Laboratory of Optical Field Manipulation of Zhejiang Province, Department of Physics, School of Science, Zhejiang Sci-Tech University, Hangzhou 310018, People's Republic of China
2. Hangzhou City University, Hangzhou 310015, People's Republic of China
3. State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, People's Republic of China