Affiliation: | 1. Department of Information and Communication Gwangju Institute of Science and Technology 1 Oryong‐dong, Buk‐gu, Gwangju 500‐712 (Korea);2. Department of Electronic and Radio Engineering Kyung Hee University 1 Seocheon‐dong, Giheung‐gu, Yongin‐si, Gyeonggi‐do 446‐701 (Korea);3. Department of Nanobio Materials and Electronics School of Photon Science and Technology Gwangju Institute of Science and Technology 1 Oryong‐dong, Buk‐gu, Gwangju 500‐712 (Korea) |