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physics.optics2018
Enhanced high-order harmonic generation in donor-doped band-gap materials
Chuan Yu, Kenneth K. Hansen, Lars Bojer Madsen
We find that a donor-doped band-gap material can enhance the overall high-order harmonic generation (HHG) efficiency by several orders of magnitude, compared with undoped and accep…
physics.atom-ph2018
Finite-system effects on high-harmonic generation: from atoms to solids
Kenneth K. Hansen, Dieter Bauer, Lars Bojer Madsen
Using time-dependent density functional theory, high-harmonic generation (HHG) is studied in one-dimensional structures of sizes from a single nucleus up to hundreds of nuclei. The…