A New Optical Phase-Locked System Between Ultrashort Pulses for 640 Gbaud Nyquist OTDM Coherent QAM Transmission. - Kosuke Kimura; Junpei Nitta; Masato Yoshida; Keisuke Kasai; Toshihiko Hirooka; Masataka Nakazawa (ECOC, 2017)

Single-channel 3.84 Tbit/s, 64 QAM coherent Nyquist pulse transmission over 150 km with frequency-stabilized and mode-locked laser. - Masato Yoshida; Junpei Nitta; Kosuke Kimura; Keisuke Kasai; Toshihiko Hirooka; Masataka Nakazawa (OFC, 2017)