High-linearity avalanche photodiode for 40-km transmission with 28-Gbaud PAM4.
Masahiro NadaShigeru KanazawaHiroshi YamazakiYasuhiko NakanishiWataru KobayashiYoshiyuki DoiTakaharu OhyamaTetsuichiro OhnoKiyoto TakahataToshikazu HashimotoHideaki MatsuzakiPublished in: OFC (2015)