32-bit/s/Hz spectral efficiency WDM transmission over 177-km few-mode fiber. - Roland Ryf; Sebastian Randel; Nicolas K. Fontaine; M. Montoliu; Ellsworth Burrows; Stephen Corteselli; Sethumadhavan Chandrasekhar; Alan H. Gnauck; Chongjin Xie; René-Jean Essiambre; Peter J. Winzer; R. Delbue; et al. (OFC/NFOEC, 2013)

Demonstration of a 9 LP-mode transmission fiber with low DMD and loss. - Rasmus Vincentz Jensen; Lars Gruner-Nielsen; Nicholas Heng-Loong Wong; Yi Sun; Yongmin Jung; David J. Richardson (OFC, 2015)