Nature Communications (Sep 2017)
Ellipticity dependence of high-harmonic generation in solids originating from coupled intraband and interband dynamics
Abstract
The mechanisms of high-order harmonic generation in bulk system and dilute gas are different. Here the authors use first-principle methods to explore the ellipticity dependence and control of the HHG in periodic solids by involving the interband and intraband dynamics in Si and MgO.