1. Center for Nanotechnology, Research Institute, Kochi University of Technology, 185 Miyanokuchi, Tosayamada, Kami, Kochi 782-8502, Japan
2. School of Systems Engineering, Kochi University of Technology, 185 Miyanokuchi, Tosayamada, Kami, Kochi 782-8502, Japan
3. Techno-Synergy Inc., 2-46-16 Sanda-machi, Hachioui-shi, Tokyo 193-0832, Japan
4. WTheiss Hardware and Software, 11875 E Elin Ranch Road, Tucson, Arizona 85749, USA