"High-Harmonic Generation from Topological Insulators"

Denitsa Baykusheva: Jian Lu, Jonathan A. Sobota, Hadas Soifer, Costel R. Rotundu, Patrick S. Kirchmann, David A. Reis, and Shambhu Ghimire; Optical Society of America, 05/05/19.

Additional Authors: Jian Lu, Jonathan A. Sobota, Hadas Soifer, Costel R. Rotundu, Patrick S. Kirchmann, David A. Reis, and Shambhu Ghimire

Abstract:

We report the observation of efficient high-harmonic generation in the three-dimensional topological insulators Bi2Se3 and Bi2Te3 driven by mid-infrared laser pulses of peak intensities ~1012 W/cm2.