Novel large-port-count optical-switch architecture for optical interconnection in datacenter. - Koh Ueda; Yojiro Mori; Hiroshi Hasegawa; Ken-ichi Sato; Toshio Watanabe (ECOC, 2014)

Wavelength path signalling for WSS/WBSS combined optical switches in hierarchical optical networks. - Takaya Miyazawa; Takahiro Hirayama; Hiroaki Harai; Koh Ueda; Yojiro Mori; Hiroshi Hasegawa; Ken-ichi Sato (ICTON, 2015)

Large-scale optical-switch prototype compactly implemented with novel functional configuration. - Koh Ueda; Yojiro Mori; Hiroshi Hasegawa; Ken-ichi Sato; Toshio Watanabe (OFC, 2015)

Novel intra- and inter-datacenter converged network exploiting space- and wavelength-dimensional switches. - Koh Ueda; Yojiro Mori; Hiroshi Hasegawa; Ken-ichi Sato (OFC, 2017)

Fast Optical Circuit Switch for Intra-Datacenter Networking. - Koh Ueda; Yojiro Mori; Hiroshi Hasegawa; Hiroyuki Matsuura; Kiyo Ishii; Haruhiko Kuwatsuka; Shu Namiki; Toshio Watanabe; Ken-ichi Sato (IEICE Trans. Commun., 2017)

Next-Generation ROADM Employing Bandwidth-Adaptive Silicon-Photonic Filters for Flexible Drop Operation. - Yojiro Mori; Koh Ueda; Keijiro Suzuki; Hiroyuki Matsuura; Ken Tanizawa; Kazuhiro Ikeda; Shu Namiki; Hitoshi Kawashiwa; Ken-ichi Sato (OFC, 2018)