Author Biography
KEISUKE ISOBE, DEng, is a Research Scientist at the RIKEN Center for Advanced Photonics. WATARU WATANABE, DEng, is a Professor in the Department of Electrical & Electronic Engineering, College of Science and Engineering, at Ritsumeikan University. KAZUYOSHI ITOH, DEng, is a Professor Emeritus and Research Professor at the Science Technology Entrepreneurship Laboratory (E-Square), Osaka University.