Four-Channel Integrated Receiver with a Built-In Spatial Demultiplexer Optics for 100 Gb/s Ethernet. - Keita Mochizuki; Hiroshi Aruga; Hiromitsu Itamoto; Keitaro Yamagishi; Yuichiro Horiguchi; Satoshi Nishikawa; Ryota Takemura; Masaharu Nakaji; Atsushi Sugitatsu (IEICE Trans. Electron., 2013)

Low dark current backside-illuminated photodiode for 200 Gb/s operation with 40 μm wide alignment tolerance. - Ryota Takemura; Daiki Tsubouchi; Akihito Ohno; Yasuhiro Yamauchi (OFC, 2023)