1. RF LaboratoryH/W Group, R&D Team, Network Business, SEC129, Samsung‐ro, Yeongtong‐guGyeonggi‐doSuwon‐si16677Republic of Korea
2. Department of Electrical EngineeringKorea Advanced Institute of Science and Technology (KAIST)291, Daehak‐roDaejeon34141Republic of Korea
3. Nano Device Development TeamNational Nanofab Center291, Daehak‐roDaejeon34141Republic of Korea