1. Department of Physics and Astronomy, Purdue University, West Lafayette, Indiana 47907, United States
2. Purdue Quantum Science and Engineering Institute and Birck Nanotechnology Center, Purdue University, West Lafayette, Indiana 47907, United States
3. WPI Advanced Institute for Materials Research (AIMR), Tohoku University, Sendai 980-8577, Japan
4. Beijing Academy of Quantum Information Sciences, Beijing 100193, China
5. School of Electrical and Computer Engineering, Purdue University, West Lafayette, Indiana 47907, United States
6. Institute of Physics and Astronomy and Villum Center for Hybrid Quantum Materials and Devices, Aarhus University, 8000 Aarhus-C, Denmark