On-chip ultraviolet second-harmonic generation in lithium-tantalate thin film microdisk

作     者：薛苗 颜雄硕 吴江威 葛睿 袁汀格 陈玉萍 陈险峰 Miao Xue;Xiongshuo Yan;Jiangwei Wu;Rui Ge;Tingge Yuan;Yuping Chen;Xianfeng Chen

作者机构：State Key Laboratory of Advanced Optical Communication Systems and NetworksSchool of Physics and AstronomyShanghai Jiao Tong UniversityShanghai 200240China Shanghai Research Center for Quantum SciencesShanghai 201315China Collaborative Innovation Center of Light Manipulations and ApplicationsShandong Normal UniversityJinan 250358China 

出 版 物：《Chinese Optics Letters》 (中国光学快报（英文版）)

年 卷 期：2023年第21卷第6期

页      面：89-93页

核心收录：

学科分类：070207[理学-光学] 07[理学] 070205[理学-凝聚态物理] 08[工学] 080501[工学-材料物理与化学] 0805[工学-材料科学与工程（可授工学、理学学位）] 0702[理学-物理学] 

基　　金：supported by the National Key R&D Program of China(No.2019YFB2203501) the National Natural Science Foundation of China(Nos.12134009 and 91950107) Shanghai Municipal Science and Technology Major Project(2019SHZDZX01-ZX06) SJTU(No.21X010200828) 

主　　题：lithium-tantalate thin film ultraviolet light second-harmonic generation 

摘      要：The compact and reliable ultraviolet[UV]source has attracted remarkable attention for its potential use in optical measurement systems,high-density optical storage,and biomedical *** demonstrate ultraviolet generation by frequency doubling in a lithium-tantalate-on-insulator[LTOI]microdisk via modal phase *** 50-μm-diameter microdisk was milled by a focused ion beam[FIB]and followed by chemo-mechanical polishing[CMP]to smooth the disk surface and edge,and the Q-factor reaches 2.74×10~5in the visible ***-chip UV coherent light with a wavelength of384.3 nm was achieved,which shows great promise for using LTOIs in integrated ultraviolet source platforms.