1. Department of Medical Engineering, University of South Florida, Tampa, FL 33620, USA
2. Department of Physics, Stony Brook University, Stony Brook, NY 11790, USA
3. Department of Physics, Texas A&M University, College Station, TX 77840, USA
4. CAS Center for Excellence and Synergetic Innovation Center in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, Anhui 230026, China
5. Department of Physics, King Saud University, Riyadh 11362, Kingdom of Saudi Arabia
6. Department of Physics, University of South Florida, Tampa, FL 33620, USA
7. Materials Science Centre, India Institute of Technology, Kharagpur, India