1.6-Tbit/s muxing, transmission and demuxing through 1.1-km of vortex fiber carrying 2 OAM beams each with 10 wavelength channels. - Yang Yue 002; Nenad Bozinovic; Yongxiong Ren; Hao Huang 002; Moshe Tur; Poul Kristensen; Siddharth Ramachandran; Alan E. Willner (OFC/NFOEC, 2013)