1. Department of Materials Science and Engineering; Korea Advanced Institute of Science and Technology (KAIST); 291 Daehak-ro Yuseong-gu Daejeon 34141 Republic of Korea
2. Photonic Device Lab; Device Technology Development Division; Korea Advanced Nano-Fab Center (KANC); 109 Gwanggyo-ro Yeongtong-gu, Suwon Gyeonggi-do 16229 Republic of Korea
3. Department of Biological Sciences; Korea Advanced Institute of Science and Technology (KAIST); 291 Daehak-ro Yuseong-gu Daejeon 34141 Republic of Korea