1. Center for Integrated Nanostructure Physics (CINAP), Institute for Basic Science (IBS), Suwon 16419, Republic of Korea
2. Institute for Quantum Biophysics (IQB), Sungkyunkwan University, Suwon 16419, Republic of Korea
3. Department of Biophysics, Sungkyunkwan University, Suwon 16419, Republic of Korea
4. Department of Mechanical Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea
5. Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Republic of Korea
6. Department of Energy Science and Department of Physics, Sungkyunkwan University, Suwon 16419, Republic of Korea