Real-time 400G superchannel transmission using 100-GbE based 37.5-GHz spaced subcarriers with optical Nyquist shaping over 3, 600-km DMF link. - Yue-Kai Huang; Dayou Qian; Fatih Yaman; Ting Wang 016; Eduardo Mateo 001; Takanori Inoue; Yoshihisa Inada; Yukinori Toyoda; Takaaki Ogata; Masaki Sato; Yoshiaki Aono; Tsutomu Tajima (OFC/NFOEC, 2013)