Highly rectangular SCL-band MUX/DEMUX filter using compact cascaded arrayed waveguide gratings. - Masashi Ota; Kenya Suzuki; Keita Yamaguchi; Takeshi Umeki; Satomi Katayose; Osamu Moriwaki (OFC, 2024)

Double-decker CDC-ROADM node for multi-band network with wavelength band granularity. - Kenya Suzuki; Masashi Ota; Yoshie Morimoto; Keita Yamaguchi; Fukutaro Hamaoka; Shuto Sugawara; Takeo Sasai; Takayuki Kobayashi; Masanori Nakamura; Satomi Katayose; Takeshi Umeki; Daisuke Ogawa; et al. (OFC, 2024)