1. a Department of Physics , State University of New York at Binghamton , Binghamton , New York , 13902-6016 , USA
2. b Department of Electrical Engineering , College of Science and Technology, Nihon University , Chiyoda-ku, Tokyo , 101 , JAPAN
3. c College of Pharmacy, Nihon University , Funabashi, Chiba , 274 , JAPAN