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. 2022 Dec 7;3(2):130–142. doi: 10.1021/acsphyschemau.2c00051

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© 2022 The Authors. Published by American Chemical Society

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FT-NLO resolves nonlinear pathways obscured in conventional nonlinear spectroscopy. Power-dependent measurements of SHG (a) and MPPL (b) from redox-exfoliated MoS₂ exhibit slopes of 2 and 2–6, respectively. FT-NLO of the SHG (c) and MPPL (d) exhibited signatures of higher-order nonlinearities obscured in the conventional measurements. Adapted from ref (41). Copyright 2022 American Chemical Society.