1. Department of Bio-
and Material Photonics, Chitose Institute of Science and Technology, 758-65 Bibi, Chitose, Hokkaido
066-8655, Japan
2. Graduate School of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama,
Ikoma, Nara 630-0101, Japan
3. Department of Polymer Chemistry, Tokyo Institute of Technology, Ookayama, Meguro-ku,
Tokyo 152-8552, Japan