Institution: | aKDDI R&D Laboratories Inc., Optical Signal Processing, 2-1-15 Ohara, Kamifukuoka-shi, Saitama 356-8502, Japan bKorea Advanced Institute of Science and Technology, Department of Electrical Engineering, 373-1 Guseong-dong, Yuseong-gu, Daejeon 305-701, Korea |