Dispersion map optimization for nonlinearity mitigation in two-span phase-sensitive amplifier links [Electronic resource]Astra, Egon; Olsson, Samuel L. I.; Eliasson, Henrik; Laadung, Taavi; Andrekson, Peter AvoECOC 2016 : 42th European Conference on Optical Communication : September 18-22, 2016, Congress Center Düsseldorf (CCD), Germany : proceedings2016 / p. 953-955 : ill. [DVD]