Efficient second-harmonic emission via strong modal overlap in single-resonant lithium niobate nanocavity - Jiang, Zhi; Yao, Danyang; Gao, Yu; Ran, Xu; Li, Duomao; Zhang, Erqi; Wang, Jianguo; Gan, Xuetao; Zhang, Jinchuan; Liu, Fengqi; Hao, Yue (2025)