DAC-free ultra-low-power dual-polarization 64-QAM transmission with InP IQ segmented MZM module. - Alessandro Aimone; Iria Garcia Lopez; Saleem Alreesh; Pedro Rito; Tino Brast; V. Hohns; Gerrit Fiol; Marko Gruner; Johannes K. Fischer; Jörg Honecker; Andreas G. Steffan; Dietmar Kissinger; et al. (OFC, 2016)