1.3 µm 28 Gb/s EMLs with hybrid waveguide structure for low-power-consumption CFP2 transceivers. - Yoshimichi Morita; Takeshi Yamatoya; Yohei Hokama; Koichi Akiyama; Ryoko Makita; Nobuyuki Yasui; Daisuke Morita; Hiroyuki Kawahara; Eitaro Ishimura (OFC/NFOEC, 2013)