1. Provincial Key Laboratory for Cutting Tools, Taizhou University, Taizhou 318000, China
2. State Key Laboratory of Information Photonics and Optical Communications, School of Science, P. O. Box 91, Beijing University of Posts and Telecommunications, Beijing 100876, China
3. Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
4. State Key Laboratory of Pulsed Power Laser Technology, National University of Defense Technology, Changsha, Hunan 410073, China