Multi-gigabit operation of a compact, broadband modulator based on ENZ confinement in indium oxide. - Gordon A. Keeler; Kent M. Geib; Darwin K. Serkland; S. Parameswaran; Ting S. Luk; Alejandro J. Grine; Jon Ihlefeld; Salvatore Campione; Joel R. Wendt (OFC, 2017)