Author Affiliations

Liming Li,^1,* Satoru Kusaka,² Naoki Karasawa,² Ryuji Morita,² Mikio Yamashita,² and Hidemi Shigekawa³

¹Hokkaido University, Chitose Institute of Science and Technology, and Core Research for Evolutional Science and Technology, Japan Science and Technology Corporation, 758, Bibi 65, Chitose, 066-8655, Japan, phone/fax +81-123-27-6092

²Department of Applied Physics, Hokkaido University, and Core Research for Evolutional Science and Technology, Japan Science and Technology Corporation, Kita-13, Nishi-8, Kita-ku, Sapporo 060-8628, Japan

³Institute of Applied Physics, University of Tsukuba, and Core Research for Evolutional Science and Technology, Japan Science and Technology Corporation, 1-1-1 Tennodai, Tsukuba, 305-8573, Japan

^*Corresponding author: liliming@photon.chitose.ac.jp