Media type: Electronic Conference Proceeding Title: Nonlinear tolerance of 400Gbit/s DP-RZ-QPSK transmission over 1200km SMF-28 employing digital backward propagation Contributor: Asif, Rameez; Lin, Chien-Yu; Usman, Muhammad; Schmauss, Bernhard Published: SPIE, 2012 Published in: SPIE Proceedings (2012) Extent: Language: Not determined DOI: 10.1117/12.909433 ISSN: 0277-786X Origination: Footnote: