60-Channel wavelength selective switch on Bragg reflector waveguides array with 125 output-ports. - Xiaodong Gu 003; Kazunori Seno; Hiromasa Tanobe; Fumio Koyama (ECOC, 2014)

First Demonstration of Subsystem-Modular Optical Crossconnect Using Single-Module 6×6 WSS. - Ryota Hashimoto; Shuhei Yamaoka; Yojiro Mori; Hiroshi Hasegawa; Ken-ichi Sato; Keita Yamaguchi; Kazunori Seno; Kenya Suzuki (ECOC, 2017)

Wide-Passband C+L-Band Wavelength Selective Switch by Alternating Wave-Band Arrangement on LCOS. - Kazunori Seno; Keita Yamaguchi; Kenya Suzuki; Toshikazu Hashimoto (ECOC, 2018)

Over-100-Spatial-Channel Programmable Spectral Processor for SDM Signal Monitoring. - Mitsumasa Nakajima; Kenya Suzuki; Kazunori Seno; Takashi Goh; Ryoichi Kasahara; Mitsunori Fukutoku; Yutaka Miyamoto; Toshikazu Hashimoto (OFC, 2018)

Integrated Wavelength Selective Switch Array for Space Division Multiplexed Network with Ultra-Low Inter-Spatial Channel Crosstalk. - Keita Yamaguchi; Kazunori Seno; Kenya Suzuki; Hiroki Kawahara; Mitsunori Fukutoku; Toshikazu Hashimoto; Yutaka Miyamoto (OFC, 2018)

Experimental Demonstration of a SDM Node with Low Power Consumption MC-EDFA and SPOC-Based WSS Arrays. - Keiichi Matsumoto; Kazunori Seno; Takayuki Mizuno; Shigeyuki Yanagimachi; Emmanuel Le Taillandier de Gabory; Yutaka Mivamoto (OECC/PSC, 2019)

Investigation of All-Optical Wavelength Conversion with 2-Stage-Comb-Generated Pump for High Frequency Resolution. - Masashi Yamazaki; Kazunori Seno; Toshikazu Hashimoto; Hiroyuki Uenohara (OECC/PSC, 2019)

Wavelength Selective Switches for SDM Photonic Nodes Based on SPOC Platform. - Kazunori Seno; Naru Nemoto; Yutaka Miyamoto (OFC, 2021)

Power-saving Aware SDM Photonic Node with the Throughput Scalable to over Peta bit. - Fumikazu Inuzuka; Hiroshi Hasegawa; Kohki Shibahara; Hidenori Takahashi; Takehiro Tsuritani; Kazunori Seno; Naru Nemoto; Emmanuel Le Taillandier de Gabory; Shigeyuki Yanagimachi; Taiji Sakamoto; Kazuhide Nakajima; Masanori Takahashi; et al. (OECC/PSC, 2022)