Interferometric determination of intrinsic nonlinear Kerr index in lead-halide perovskites

Dusan Lorenc, Ayan Zhumekenov, Osman M. Bakr +1

Lead halide perovskites have recently been reported to demonstrate an exceptionally high nonlinear (Kerr) refractive index n${}_2$ of up to 10${}^{-8}$ cm${}^2$/W in CH${}_3$NH${}_3$PbBr${}_3$…