Journal ArticleShallow-etched thin-film lithium niobate waveguides for highly-efficient second-harmonic generationZhao, Jie; Rüsing, Michael; Javid, Usman A.; Ling, Jingwei; Li, Mingxiao; Lin, Qiang; Mookherjea, Shayannull2020-01-0110210129Optics Express2813196691094-4087https://doi.org/10.1364/OE.3955451640968National Science Foundation