Nonadiabatic high-order harmonic generation from solids
arXiv:1704.06218 · doi:10.1364/OE.25.023654
Abstract
We studied the multi-plateau high-order harmonic generation (HHG) from solids numerically. It is found that the HHG spectrum in the second or higher plateau is redshifted in short laser pulses due to the nonadiabatic effect. The corresponding FWHMs also increase, suggesting the step-by-step excitation process of higher conduction bands in the HHG process. Even order harmonics in the higher plateaus of HHG are present due to the break of symmetry in the k space. It may stimulate related experimental work.
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- Disorder Effects on the Origin of High-Order Harmonic Generation in Solids
- Insight into High-order Harmonic Generation from Solids: The Contributions of the Bloch Wave-packets Moving on the Group and Phase Velocities
- High-order harmonic generation from 2D periodic potentials in circularly and bichromatic circularly polarized laser fields
- Revisiting the Floquet-Bloch theory for an exactly solvable model of one-dimensional crystals in strong laser fields
- Laser field strength dependence of solid high-harmonic generation from doped systems