Institution: | (1) Department of Computer Science, Kitami Institute of Technology, 165 Koen-cho, Kitami, Hokkaido 090-8507, Japan;(2) Center for Optical Research and Education, Utsunomiya University, 7-1-2 Yoto, Utsunomiya 321-8585, Japan;(3) Photonics Research Institute, National Institute of Advanced Industrial Science and Technology, AIST Tsukuba Central 5, Tsukuba, Ibaraki 305-8565, Japan |