Terahertz electro-optic effect in Bi${}_2$Se${}_3$ crystals

A. A. Melnikov, A. A. Sokolik, Yu. G. Selivanov +1

We report the observation of the electro-optic effect in Bi${}_2$Se${}_3$ crystals induced by an intense single-cycle terahertz pulse. The effect reveals itself as a transient change o…