Author:
Matias Victor L.,Ribeiro Henrique B.,Heinz Tony,Rosa Henrique G.,de Matos Christiano J. S.
Abstract
We present THG in 2-to-4 layer exfoliated black phosphorus. We observe a change in the polarization-dependent THG pattern when compared to bulk BP, as well as an excitonically increased THG intensity peak for bilayer BP.