1. School of Physics, Harbin Institute of Technology, Harbin 150001, China
2. Laboratory for Ferroelectrics and Functional Oxides, Swiss Federal Institute of Technology in Lausanne–EPFL, 1015 Lausanne, Switzerland
3. Key Laboratory of Micro-Nano Optoelectronic Information System, Ministry of Industry and Information Technology, Harbin 150001, China
4. Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan, Shanxi 030006, China