Terahertz Kerr effect in a methylammonium lead bromide perovskite crystal

A. A. Melnikov, V. E. Anikeeva, O. I. Semenova +1

We have observed short-lived optical birefringence in a CH${}_3$NH${}_3$PbBr${}_3$ single crystal induced by a powerful nearly single-cycle terahertz pulse. Apart from the instantaneous…