[1] Univ Arizona, Ctr Opt Sci, Tucson, AZ 85721 USA
[2] Nankai Univ, Photon Ctr, Coll Phys Sci, Tianjin 300071, Peoples R China
[3] NP Photon Inc, Tucson, AZ 85747 USA
[4] Japan Sci & Technol Corp, Cooperat Excitat Project, ERATO, Kanagawa 2130012, Japan
[5] Univ Tokyo, Dept Appl Phys, Grad Sch Engn, Tokyo 1138656, Japan
[6] Fudan Univ, Sch Informat Sci & Engn, Shanghai 200433, Peoples R China