Hardware scale and performance evaluation of compact OXC add/drop architecture. - Hiroto Ishida; Hiroshi Hasegawa; Ken-ichi Sato (OFC, 2014)

Highly scalable subsystem modular OXC nodes that host tailored add/drop mechanism. - Hiroto Ishida; Hiroshi Hasegawa; Ken-ichi Sato (OFC, 2015)

Demonstration of large-port-count and compact ROADM that exhibits virtual-C/D/C performance. - Shoichi Takashina; Hiroto Ishida; Yojiro Mori; Hiroshi Hasegawa; Ken-ichi Sato; Toshio Watanabe (OFC, 2015)

Hardware Scale and Performance Evaluation of a Compact Subsystem Modular Optical Cross Connect That Adopts Tailored Add/Drop Architecture. - Hiroto Ishida; Hiroshi Hasegawa; Ken-ichi Sato (JOCN, 2015)