[1] School of Physics Science and Engineering, Institute for Advanced Study, Tongji University, Shanghai
[2] Jiangsu Key Laboratory of Advanced Laser Materials and Devices, School of Physics and Electronic Engineering, Jiangsu Normal University, Xuzhou
[3] College of Power and Energy Engineering, Harbin Engineering University, Harbin
[4] National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin