Wavelength-Scanning Optical Bandpass Filters Based on Optomechatronics for Optical-Frequency Sweepers. - Yoshitada Katagiri; Hiroki Takesue; Etsu Hashimoto (IEEE Trans. Ind. Electron., 2005)

8 × 24 wavelength selective switch for low-loss transponder aggregator. - Yuichiro Ikuma; Kenya Suzuki; Naru Nemoto; Etsu Hashimoto; Osamu Moriwaki; Tetsuo Takahashi (OFC, 2015)

Ultra-high port count wavelength selective switch employing waveguide-based I/O frontend. - Kenya Suzuki; Yuichiro Ikuma; Etsu Hashimoto; Keita Yamaguchi; Mikitaka Itoh; Tetsuo Takahashi (OFC, 2015)