20-Gb/s QPSK W-band (75-110GHz) wireless link in free space using radio-over-fiber technique. - Atsushi Kanno; Keizo Inagaki; Isao Morohashi; Takahide Sakamoto; Toshiaki Kuri; Iwao Hosako; Tetsuya Kawanishi; Yuki Yoshida; Ken-ichi Kitayama (IEICE Electron. Express, 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)

Coherent MMW/terahertz signal transmission with frequency-reconfigurable RoF transmitter based on an optical frequency comb. - Atsushi Kanno; Toshiaki Kuri; Isao Morohashi; Iwao Hosako; Tetsuya Kawanishi; Yuki Yoshida; Ken-ichi Kitayama (GLOBECOM, 2013)

Generation of Millimeter Waves with Fine Frequency Tunability Using Mach-Zehnder-Modulator-Based Flat Comb Generator. - Isao Morohashi; Yoshihisa Irimajiri; Takahide Sakamoto; Tetsuya Kawanishi; Motoaki Yasui; Iwao Hosako (IEICE Trans. Electron., 2013)

Generation of Arbitrarily Patterned Pulse Trains in the THz Range by Spectral Synthesis of Optical Combs. - Isao Morohashi; Takahide Sakamoto; Norihiko Sekine; Tetsuya Kawanishi; Akifumi Kasamatsu; Iwao Hosako (IEICE Trans. Electron., 2015)

Ultrashort optical pulse source using Mach-Zehnder-modulator-based flat comb generator. - Isao Morohashi; Takahide Sakamoto; Norihiko Sekine; Akifumi Kasamatsu; Iwao Hosako (Nano Commun. Networks, 2016)

Thermal and Optical Properties of Porous Nanomesh Structures for Sensitive Terahertz Bolometric Detection. - Ryoko Yamamoto; Akira Kojima; Nobuyoshi Koshida; Isao Morohashi; Kazuhiko Hirakawa; Ya Zhang (Sensors, 2022)

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)

Demonstration of Wireless Transmission of QPSK Signals at 2 THz. - Isao Morohashi; Yoshihisa Irimajiri; Akira Kawakami; Tadashi Kishimoto; Pham Tien Dat; Atsushi Kanno; Norihiko Sekine; Iwao Hosako (OFC, 2023)

Terahertz Quasi-MIM Absorber for Integrating with Thin-film MEMS Bolometers. - Zihao Zhao; Kazuho Harada; Chao Li; Isao Morohashi; Ya Zhang (IEEE SENSORS, 2024)

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)