[1] Univ Politecn Valencia, Inst Telecommun & Multimedia Applicat, Photon Res Labs, Photon, Valencia, Spain
[2] Univ Politecn Valencia, Inst Telecommun & Multimedia Applicat, Photon Res Labs, Valencia, Spain
[3] Univ Melbourne, Dept Elect & Elect Engn, Parkville, Vic, Australia
[4] Kyushu Univ, Fukuoka, Japan
[5] Fraunhofer Heinrich Hertz Inst HHI, Photon Components Dept, Detector Grp, Berlin, Germany
[6] Univ Virginia, Sch Engn & Appl Sci, Dept Elect & Comp Engn, Charlottesville, VA USA