*Alexander William Setiawan Putra1, Tatsuya Yoshida2, Hendra Adinanta1,3, Hirotaka Kato1, Takeo Maruyama1
(1. Division of Electrical Engineering and Computer Science, Graduated School of Natural Science and Technology, Kanazawa University, 2. School of Electrical and Computer Engineering, College of Science and Engineering, Kanazawa University, 3. Research Center for Physics, Indonesian Institute of Sciences (LIPI), Indonesia)