Journal ArticlePoling thin-film x-cut lithium niobate for quasi-phase matching with sub-micrometer periodicityZhao, Jie; Rüsing, Michael; Roeper, Matthias; Eng, Lukas M.; Mookherjea, Shayannull2020-05-2110210127Journal of Applied Physics127191931040021-8979https://doi.org/10.1063/1.51432661640968National Science Foundation