Author Affiliations

Seongmin Ju,¹ Pramod R. Watekar,² Seongmook Jeong,¹ Youngwoong Kim,¹ Hyong Sun Kim,² Poram Jeon,¹ Cheol Jin Kim,³ and Won-Taek Han^1,*

¹Graduate Program of Photonics and Applied Physics/Department of Information and Communications, Gwangju Institute of Science and Technology (GIST), 1 Oryong-dong, Buk-gu, Gwangju, 500-712, South Korea

²School of Electronics Engineering, VIT University, Vandalur-Kelambakkam Road Chennai, 600-048, India

³Department of Ceramic Engineering, Gyeongsang National University, 900 Gajwa-dong, Jinju, Gyeongnam, 660-701, South Korea

^*Corresponding author: wthan@gist.ac.kr