Dense SDM 32-Pixel 2-D Photodetector Array. - Toshimasa Umezawa; Tadashige Sakamoto; Atsushi Kanno; Ken Kusakata; Kouichi Akahane; Atsushi Matsumoto; Naokatsu Yamamoto; Tetsuya Kawanishi (ECOC, 2017)

Characterization of 2D high-speed photodetector array device for SDM fiber communication applications. - Ken Kusakata; S. Takamizawa; Toshimasa Umezawa; Naokatsu Yamamoto; Tetsuya Kawanishi (OECC/PSC, 2019)