Effective signal to noise ratio performance metric for dispersion-uncompensated links. - Oleg V. Sinkin; Carl R. Davidson; H. Wang; L. Richardson; Jin-Xing Cai; Dmitriy Kovsh; Dmitri G. Foursa; B. Bakhshi; Georg Mohs; Alexei N. Pilipetskii (ECOC, 2015)