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)