1. Beijing Jiaotong University, Institute of Lightwave Technology, Key Laboratory of All Optical Networ
2. Hebei University, College of Physics Science and Technology, Photonics Information Innovation Center
3. Hebei University of Technology, School of Electronic Information Engineering, Tianjin
4. Osaka Institute of Technology, Department of Electronics, Information and Communication Engineering,
5. Okayama University, Graduate School of Natural Science and Technology, Okayama