High harmonic generation in AlN due to out-of-surface electron orbitals

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 24 Dec 2020 Spain English Publisher:Optica Publishing GroupJournal:OSA Continuum, volume 4, page 47 (eissn: 2578-7519,

Copyright policy )Funded by:EC | ThoriumNuclearClock

Authors: J. Seres; E. Seres; C. Serrat; T. Schumm;

doi: 10.1364/osac.404942 , 10.5281/zenodo.4441972 , 10.5281/zenodo.4441971

handle: 2117/356807

High harmonic generation in AlN due to out-of-surface electron orbitals

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Abstract

High harmonic generation in solids is commonly considered as a bulk process. However, there is a controversy whether the experimentally observed effects can in their entirety be described by a pure bulk model. Our results based on beam propagation and spectral characteristics provide a clear signature of the importance of surface effects on the origin of the harmonic generation in solids. Computations performed with a time-dependent density-functional approach corroborate the experimental measurements.

Country

Spain

Related Organizations

Universitat Polite`cnica de Catalunya
Spain
TU Wien
Austria
Universitat Politècnica de Catalunya
Spain

Keywords

Ultraviolet radiation, :Física [Àrees temàtiques de la UPC], Òptica física, physics, atomic clock, thorium 229, Àrees temàtiques de la UPC::Física, Radiació ultraviolada, Solids, Sòlids, Physical optics

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