Citation: Morrow, Darien J.; Hautzinger, Matthew P.; Lafayette, David P.; Scheeler, Jason M.; Dang, Lianna; Leng, Meiying; Kohler, Daniel D.; Wheaton, Amelia M.; Fu, Yongping; Guzei, Ilia A.; Tang, Jiang; Jin, Song; Wright, John C. (2020). Disentangling Second Harmonic Generation from Multiphoton Photoluminescence in Halide Perovskites using Multidimensional Harmonic Generation.. The journal of physical chemistry letters, , pp. 6551-6559.