Wavelength Conversion Using Quasi-Phase Matched LiNbO3 Waveguides. - Masaki Asobe; Yoshiki Nishida; Osamu Tadanaga; Hiroshi Miyazawa; Hiroyuki Suzuki (IEICE Trans. Electron., 2005)

763-nm Laser Light Source for Oxygen Monitoring Using Second Harmonic Generation in Direct-Bonded Quasi-Phase-Matched LiNbO3 Ridge Waveguide. - Osamu Tadanaga; Masaki Asobe; Yoshiki Nishida; Hiroshi Miyazawa; Kaoru Yoshino; Hiroyuki Suzuki (IEICE Trans. Electron., 2006)

PPLN based phase sensitive amplifiers and their applications. - Masaki Asobe; Takeshi Umeki; Hirokazu Takenouchi (OFC/NFOEC, 2013)

First demonstration of multi-span transmission using phase and amplitude regeneration in PPLN-based PSA. - Takeshi Umeki; Masaki Asobe; H. Takara; Takayuki Kobayashi; Hirokazu Kubota; Hirokazu Takenouchi; Yutaka Miyamoto (OFC/NFOEC, 2013)

Real-Time N2O Gas Detection System for Agricultural Production Using a 4.6-µm-Band Laser Source Based on a Periodically Poled LiNbO3 Ridge Waveguide. - Akio Tokura; Masaki Asobe; Koji Enbutsu; Toshihiro Yoshihara; Shin-nosuke Hashida; Hirokazu Takenouchi (Sensors, 2013)

First demonstration of PDM signal amplification using PPLN-based polarization-independent phase sensitive amplifier. - Takeshi Umeki; Takushi Kazama; Osamu Tadanaga; Koji Enbutsu; Masaki Asobe; Yutaka Miyamoto; Hirokazu Takenouchi (ECOC, 2014)

Low noise and regenerative phase sensitive amplifier based on PPLN waveguides. - Takeshi Umeki; Masaki Asobe; H. Takara; Osamu Tadanaga; Koji Enbutsu; Yutaka Miyamoto; Hirokazu Takenouchi (OFC, 2014)

PPLN-based low-noise in-line phase sensitive amplifier with highly sensitive carrier-recovery system. - Koji Enbutsu; Takeshi Umeki; Osamu Tadanaga; Hirokazu Takenouchi; Masaki Asobe (APCC, 2015)

Phase Sensitive Amplifier Using Periodically Poled LiNbO3 Waveguides and Their Applications. - Masaki Asobe; Takeshi Umeki; Osamu Tadanaga (IEICE Trans. Electron., 2018)

1.4μm-1.6μm Wavelength Conversion Using Multiple Quasi-Phase Matching LiNbO3. - Saroeun Punhavan; Masato Kato; Keisuke Sugiyama; Masaki Asobe; Takeshi Umeki; Koji Enbutsu; Takushi Kazama; Takahiro Kashiwazaki; Ryoichi Kasahara (OECC/PSC, 2019)