Optical FSK/IM Signal Generation Using an Integrated Optical FSK Modulator. - Tetsuya Kawanishi; Kaoru Higuma; Takahisa Fujita; Junichiro Ichikawa; Satoshi Shinada; Takahide Sakamoto; Masayuki Izutsu (IEICE Electron. Express, 2004)

10Gbit/s FSK transmission over 95km SMF using a LiNbO3 modulator. - Takahisa Fujita; Tetsuya Kawanishi; Kaoru Higuma; Junichiro Ichikawa; Satoshi Shinada; Takahide Sakamoto; Masayuki Izutsu (IEICE Electron. Express, 2005)

Optical FSK transmission with group delay compensated balance detection. - Tetsuya Kawanishi; Takahisa Fujita; Kaoru Higuma; Junichiro Ichikawa; Takahide Sakamoto; Masayuki Izutsu (IEICE Electron. Express, 2005)

120-Gb/s NRZ-DQPSK signal generation by a thin-lithium-niobate-substrate modulator. - Atsushi Kanno; Takahide Sakamoto; Akito Chiba; Tetsuya Kawanishi; Kaoru Higuma; Masaaki Sudou; Junichiro Ichikawa (IEICE Electron. Express, 2010)

90 Gbaud NRZ-DP-DQPSK Modulation with Full-ETDM Technique Using High-Speed Optical IQ Modulator. - Atsushi Kanno; Takahide Sakamoto; Akito Chiba; Masaaki Sudo; Kaoru Higuma; Junichiro Ichikawa; Tetsuya Kawanishi (IEICE Trans. Electron., 2011)

Synthesis of 16 Quadrature Amplitude Modulation Using Polarization-Multiplexing QPSK Modulator. - Isao Morohashi; Takahide Sakamoto; Masaaki Sudo; Atsushi Kanno; Akito Chiba; Junichiro Ichikawa; Tetsuya Kawanishi (IEICE Trans. Commun., 2011)

Standardization Activities for Radio on Fiber Transmitter within IEC TC103/WG5. - Satoru Kurokawa; Junichiro Ichikawa; Tetsuya Kawanishi; Hiroyo Ogawa (IEICE Trans. Electron., 2013)

High-Speed Optical and Millimeter-Wave Wireless Link for Disaster Recovery. - Ken-ichi Kitayama; Yuki Yoshida; Yuya Yamaguchi; Hirochika Nakajima; Kohsuke Nishimura; Abdelmoula Bekkali; Masayuki Oishi; Hidenori Iwai; Kazuya Ota; Norihiko Sato; Naoyasu Kamiya; Keiji Tanaka; et al. (GLOBECOM Workshops, 2015)

Transparent Fiber-Radio-Fiber Bridge at 101 GHz using Optical Modulator and Direct Photonic Down-Conversion. - Pham Tien Dat; Yuya Yamaguchi; Keizo Inagaki; Masayuki Motoya; Satoshi Oikawa; Junichiro Ichikawa; Atsushi Kanno; Naokatsu Yamamoto; Tetsuya Kawanishi (OFC, 2021)

Transparent Relay and Switching of THz-wave Signals in 285-GHz Band Using Photonic Technology. - Pham Tien Dat; Yuya Yamaguchi; Keizo Inagaki; Shingo Takano; Shotaro Hirata; Junichiro Ichikawa; Ryo Shimizu; Isao Morohashi; Yuki Yoshida; Atsushi Kanno; Naokatsu Yamamoto; Tetsuya Kawanishi; et al. (OFC, 2023)

151.5-GHz Sub-THz Signal Reception and Downconversion Using All-Optical Technology. - Pham Tien Dat; Yuya Yamaguchi; Shingo Takano; Shotaro Hirata; Junichiro Ichikawa; Ryo Shimizu; Keizo Inagaki; Isao Morohashi; Yuki Yoshida; Atsushi Kanno; Naokatsu Yamamoto; Kouichi Akahane (OFC, 2024)

Fully Packaged 100-GHz-Bandwidth EO-Equalizer-Integrated TFLN Modulator with Record-High Slope Efficiency Enabling 200-GBaud Signaling. - Yuya Yamaguchi; Paikun Zhu; Pham Tien Dat; Shingo Takano; Shotaro Hirata; Yu Kataoka; Junichiro Ichikawa; Ryo Shimizu; Kouichi Akahane; Naokatsu Yamamoto; Atsushi Kanno; Tetsuya Kawanishi (OFC, 2025)