| Affiliation: | 1. Department of Physics, KAIST, 335 Gwahak‐ro, Yuseong‐Gu, Daejeon 305‐701, South Korea. School of Nanoscience and Technology (WCU), KAIST, 335 Gwahak‐ro, Yuseong‐Gu, Daejeon 305‐701, South Korea, Website: http://spl.kaist.ac.kr;2. Photonic Systems Laboratory, School of EECS, Seoul National University, Seoul 151‐744, South Korea;3. CRI Center for Integrated Optofluidic Systems, Department of Chemical and Biomolecular Engineering, KAIST, Daejeon, 305‐701, South Korea;4. Display Device Lab., SAIT, Samsung Electronics, Giheung‐gu, Yongin‐si, Gyeonggi‐do 446‐712, South Korea |
