1. Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China
2. Chair in Hybrid Nanosystems, Nanoinstitute Munich, Faculty of Physics, Ludwig Maximilians University of Munich, 80539 Munich, Germany
3. Department of Physics, Imperial College London, London SW7 2AZ, United Kingdom
4. Shenzhen Institute for Quantum Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China