[1] Faculty of Engineering, Yamagata University, Yonezawa 992
[2] R.D. University, Jabalpur
[3] Vikram University, Ujjain
[4] D.A. University, Indore
[5] Indian Physics Association, Japan Society of Applied Physics
[6] Tohoku University, Sendai
[7] IBM Tokyo Research Lab., Tokyo
[8] Dept. of Elec. and Info. Engineering, Yamagata University, Yonezawa
[9] Physical Society of Japan, Japan Society of Applied Physics
[10] Niigata University, Niigata
[11] NTT Elec. Communication Laboratories, Musashino, Tokyo
[12] Faculty of Engineering, Yamagata University, Yonezawa-city
[13] Cambridge University, Cambridge
[14] Inst. Electronics, Info. Commun. E., Japan Society of Applied Physics