Author Affiliations

Won Tae Kim,^* Bong Joo Kang,^* Truong Khang Nguyen,^*,** Hyeon Sang Park,^*** Kang Ho Kim,^** Jae Jin Lee,^** Ik Mo Park,^** Tae In Jeon,^*** and Fabian Rotermund^*

^*Department of Energy Systems Research & Department of Physics, Ajou University, Suwon 443-749, Korea

^**Department of Electrical and Computer Engineering, Ajou University, Suwon 443-749, Korea

^***Division of Electrical and Electronics Engineering, Korea Maritime University, Busan 606-791, Korea