[1] Yokohama Natl Univ, Grad Sch Engn, Dept Elect & Comp Engn, Hodogaya Ku, 79-5 Tokiwadai, Yokohama, Kanagawa 2408501, Japan
[2] Swinburne Univ Technol, Fac Engn & Ind Sci, Ctr Microphoton, Hawthorn, Vic 3122, Australia
[3] Paul Scherrer Inst, CH-5232 Villigen, Switzerland
[4] Ctr Phys Sci & Technol, Inst Phys, 231 Savanoriu, LT-02300 Vilnius, Lithuania