9-THz Wideband PPLN-Based Wavelength Converter for Simultaneous Conversion of C+L-Band WDM Signal to Full S-Band. - Shunya Konno; Shimpei Shimizu; Masashi Abe; Takushi Kazama; Koji Enbutsu; Takahiro Kashiwazaki; Masanori Nakamura; Takayuki Kobayashi; Yutaka Miyamoto; Takeshi Umeki (OFC, 2025)

27-THz ISRS-Supported Transmission Over 1040 km in S+C+L+U and Extreme Longer-Wavelength Band. - Shimpei Shimizu; Kosuke Kimura; Akira Kawai; Masashi Abe; Shunya Konno; Takushi Kazama; Masanori Nakamura; Fukutaro Hamaoka; Koji Enbutsu; Takahiro Kashiwazaki; Munehiko Nagatani; Hitoshi Wakita; et al. (OFC, 2025)