InP-based PIC integrated with Butt-joint Coupled Waveguide p-i-n PDs for 100GBaud Coherent Networks. - Takuya Okimoto; Hideki Yagi; Koji Ebihara; Kouichiro Yamazaki; Satoru Okamoto; Yusuke Ohkura; Kazuhiko Horino; Ken Ashizawa; Mitsuru Ekawa; Yoshihiro Yoneda (OFC, 2021)

106-Gb/s Waveguide AlInAs/GaInAs Avalanche Photodiode with Butt-joint Coupling Structure. - Takuya Okimoto; Ken Ashizawa; Hiroki Mori; Koji Ebihara; Kouichiro Yamazaki; Satoru Okamoto; Kazuhiko Horino; Yusuke Ohkura; Hideki Yagi; Mitsuru Ekawa; Yoshihiro Yoneda (OFC, 2022)