1. State Key Laboratory
of Functional Materials for Informatics, Shanghai Institute of Microsystem
and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
2. NSF Nanoscale Science and Engineering Center, University of California, 3112 Etcheverry Hall, Berkeley, California 94720, United States
3. Quantum Institute
for Light and Atoms, Department of Physics, East China Normal University, Shanghai 200062, China
4. Department of Physics, King Abdulaziz University, Jeddah 21589, Saudi Arabia