1. Department of Electronics, Chosun College of Science and Technology, Gwangju 61453, Korea
2. Department of Nursing, Masan University, 2460, Hammadaero, Naeseo-eup, MasanHoiwon gu, Chanwon-si, 51217, Korea
3. Center for Nano-Photonics Convergence Technology, Korea Institute of Industrial Technology, Gwangju 61012 Korea
4. Korea Photonics Technology Institute (KOPTI), Gwangju 61007, South Korea
5. School of Information and Communication Engineering, Sungkyunkwan University, Suwon 16419, Korea