31.2-Tb/s Real Time Bidirectional Transmission of 78×400 Gb/s Interleaved Channels over C Band of One 90-km SMF Span. - Thierry Zami; Bruno Lavigne; Oriol Bertran-Pardo; Stefan Weisser; Julien David; Maël Le Monnier; Jean-Paul Faure (OFC, 2018)