[C-3/4] 光エレクトロニクス/レーザ・量子エレクトロニクス

[C-3/4-36] InAlAs-collector based UTC-PD with avalanche effect at high frequency range

^○Yaofeng Yi¹, Toshimasa Umezawa², Kouichi Akahane², Tetsuya Kawanishi³ (1.Waseda Univ., 2.NICT, 3.Waseda Univ./NICT)

Keywords:Photodetector、InAlAs collector、Avalanche effect

We proposed a UTC-PD with the collector of InAlAs. The proposed UTC-PD exhibits the avalanche effect in high reverse bias condition, and it can operate at a relatively high frequency range.