[D-1-4] High-Speed Planar InP/InGaAs Avalanche Photodiodes with Optimized Electric Field Profile Yasuhiro KITO、Haruhiko KUWATSUKA、Toru UCHIDA、Takashi MIKAWA (1.Fujitsu Laboratories Ltd.) https://doi.org/10.7567/SSDM.1991.D-1-4