1. Quantum Magnetic Imaging Team, Korea Research Institute of Standards and Science, Daejeon 34113, Republic of Korea
2. Center for Superconducting Quantum Computing System, Korea Research Institute of Standards and Science, Daejeon 34113, Republic of Korea
3. Western Seoul Center, Korea Basic Science Institute, Seoul 03759, Republic of Korea
4. Graduate School of Analytical Science and Technology, Chungnam National University, Daejeon 34134, Republic of Korea
5. Department of Applied Measurement Science, University of Science and Technology, Daejeon 34113, Republic of Korea