Nonlinear optical effects of 2D nanomaterials have attracted a lot of attention recently, especially when suspended in liquid solvents due to ease of synthesis. In this talk, we point out that phenomena such as self-phase modulation, pump-probe, Z-scan are not nonlinear effects related to unique electronic band structures of nanomaterials, they are actually due to laser-induced thermal lens effect of the solvents and optical anisotropy of aligned 2D materials

Nonlinear-like optics in liquid suspensions of two-dimensional nanomaterials

256th National Meeting (2018)

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