Xiu-Ling Hu¹, Dong Li^2,3, L. Q. Chen^1,*, Keye Zhang^1,†, Weiping Zhang^4,5, and Chun-Hua Yuan^1,5,‡

• ¹Quantum Institute for Light and Atoms, Department of Physics, East China Normal University, Shanghai 200062, China
• ²Microsystems and Terahertz Research Center, China Academy of Engineering Physics, Chengdu, Sichuan 610200, China
• ³Institute of Electronic Engineering, China Academy of Engineering Physics, Mianyang, Sichuan 621999, China
• ⁴School of Physics and Astronomy, Shanghai Jiao Tong University and Tsung-Dao Lee Institute, Shanghai 200240, China
• ⁵Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan, Shanxi 030006, China

• ^*lqchen@phy.ecnu.edu.cn
• ^†kyzhang@phy.ecnu.edu.cn
• ^‡chyuan@phy.ecnu.edu.cn