Ultrafast lattice and electron dynamics induced in a PbSe crystal by an intense terahertz pulse

A. A. Melnikov, Yu. G. Selivanov, D. G. Poydashev +1

We have studied the ultrafast optical response of a PbSe crystal to an intense picosecond terahertz pulse with a peak electric field strength of up to $\sim$ 500 kV/cm. The reflect…