Author Affiliations

Seongmin Ju,¹ Youngwoong Kim,² Pramod R. Watekar,³ Seongmook Jeong,¹ and Won-Taek Han^1,2

¹Department of Information and Communications, Gwangju Institute of Science and Technology (GIST), 1 Oryong-dong, Buk-gu, Gwangju, 500-712, South Korea

²Graduate Program of Photonics and Applied Physics, Gwangju Institute of Science and Technology (GIST), 1 Oryong-dong, Buk-gu, Gwangju, 500-712, South Korea

³School of Electronics Engineering, VIT University, Vandalur-Kelambakkam Road Chennai, 600-048, India