Author Affiliations

Kiyoung Ko,^1,# Daewon Suk,^2,# Rongping Wang,^3,4 Byung Jae Chun,⁵ Kwang-Hoon Ko,⁵ Duk-Yong Choi,⁴ and Hansuek Lee^1,2

¹Department of physics, Korea Advanced Institute of Science and Technology, Daejeon 34141, Republic of Korea

²Graduated School of Nanoscience and Technology, Korea Advanced Institute of Science and Technology, Daejeon 34141, Republic of Korea

³The Research Institute of Advanced Technologies, Ningbo University, Ningbo 315211, China

⁴Laser Physics Centre, Research School of Physics, Australian National University, Canberra, ACT 2601, Australia

⁵Korea Atomic Energy Research Institute, Daejeon 34057, Republic of Korea

^#these authors equally contributed to this work