120-GBaud 32QAM Signal Generation using Ultra-Broadband Electrical Bandwidth Doubler.
Fukutaro HamaokaMasanori NakamuraMunehiko NagataniTakayuki KobayashiAsuka MatsushitaHitoshi WakitaHiroshi YamazakiHideyuki NosakaYutaka MiyamotoPublished in: OFC (2019)