At the Dawn of a New Era in Terahertz Technology. - Iwao Hosako; Norihiko Sekine; Mikhail Patrashin; Shingo Saito; Kaori Fukunaga; Yasuko Kasai; Philippe Baron; Takamasa Seta; Jana Mendrok; Satoshi Ochiai; Hiroaki Yasuda (Proc. IEEE, 2007)

Amplification Characterization of Dissipative Soliton and Stretched Pulse Produced by Yb-Doped Fiber Laser Oscillator. - Junichi Hamazaki; Norihiko Sekine; Iwao Hosako (IEICE Trans. Electron., 2013)

Impact of Mode Filtering on the Performance of Femtosecond Pulse Amplification in a Large Mode Area Fiber. - Junichi Hamazaki; Housei Mogi; Norihiko Sekine; Satoshi Ashihara; Akifumi Kasamatsu; Iwao Hosako (IEICE Trans. Electron., 2015)

High-Speed Coherent Transmission Using Advanced Photonics in Terahertz Bands. - Atsushi Kanno; Pham Tien Dat; Norihiko Sekine; Iwao Hosako; Tetsuya Kawanishi; Yuki Yoshida; Ken-ichi Kitayama (IEICE Trans. Electron., 2015)

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)

Compact 141-GHz Differential Amplifier with 20-dB Peak Gain and 22-GHz 3-dB Bandwidth. - Shinsuke Hara; Kosuke Katayama; Kyoya Takano; Issei Watanabe; Norihiko Sekine; Akifumi Kasamatsu; Takeshi Yoshida; Shuhei Amakawa; Minoru Fujishima (IEICE Trans. Electron., 2016)

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)

Periodically poled LiNbO3 ridge waveguide with 21.9 dB phase-sensitive gain by optical parametric amplification. - T. Kishimoto; K. Inafune; Yuichi Ogawa; Norihiko Sekine; H. Murai; H. Sasaki (OFC, 2017)

Frequency Up-Conversion of Data-Carrying Optical Vortex for Optical Fibre to Optical Wireless Communications Interface. - Guo-Wei Lu; Junichi Hamazaki; Keizo Inagaki; T. Kishimoto; Yuichi Ogawa; Norihiko Sekine; Akifumi Kasamatsu; Naokatsu Yamamoto; S. Yamaguchi; Iwao Hosako (ECOC, 2018)

32-Gbit/s CMOS Receivers in 300-GHz Band. - Shinsuke Hara; Kosuke Katayama; Kyoya Takano; Ruibing Dong; Issei Watanabe; Norihiko Sekine; Akifumi Kasamatsu; Takeshi Yoshida; Shuhei Amakawa; Minoru Fujishima (IEICE Trans. Electron., 2018)

High Speed Measurement in Spectral Drill using Q-plate and Camera. - Seigo Ohno; Katsuhiko Miyamoto; Shin'ichiro Hayashi; Norihiko Sekine (PHOTOPTICS, 2020)

A 76-Gbit/s 265-GHz CMOS Receiver. - Shinsuke Hara; Ruibing Dong; Sangyeop Lee; Kyoya Takano; Naoya Toshida; Satoru Tanoi; Tatsuo Hagino; Mohamed H. Mubarak; Norihiko Sekine; Issei Watanabe; Akifumi Kasamatsu; Kunio Sakakibara; et al. (A-SSCC, 2021)

Short-Range Wireless Transmission in the 300 GHz Band Using Low-Profile Wavelength-Scaled Dielectric Cuboid Antennas. - Kazuki Yamada; Yuto Samura; Oleg V. Minin; Atsushi Kanno; Norihiko Sekine; Junichi Nakajima; Igor V. Minin; Shintaro Hisatake (Frontiers Commun. Networks, 2021)

Transmission Characteristics Control of 120 GHz-Band Bandstop Filter by Coupling Alignment-Free Lattice Pattern. - Akihiko Hirata; Koichiro Itakura; Taiki Higashimoto; Yuta Uemura; Tadao Nagatsuma; Takashi Tomura; Jiro Hirokawa; Norihiko Sekine; Issei Watanabe; Akifumi Kasamatsu (IEICE Trans. Electron., 2021)

Control of 120-GHz-Band Split Ring Resonator Filter by Coupling Lattice Pattern Substrate. - Koichiro Itakura; Akihiko Hirata; Masato Sonoda; Taiki Higashimoto; Tadao Nagatsuma; Takashi Tomura; Jiro Hirokawa; Norihiko Sekine; Issei Watanabe; Akifumi Kasamatsu (IEICE Trans. Electron., 2021)

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)

Evaluation of Transmission Characteristics of 120-GHz-Band Close-Proximity Wireless Links Using Split-Ring-Resonator Absorber Integrated Planar Slot Antenna. - Akihiko Hirata; Tubasa Saijo; Yuma Kawamoto; Tadao Nagatsuma; Issei Watanabe; Norihiko Sekine; Akifumi Kasamatsu (IEICE Trans. Electron., 2023)