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  Ellipticity dependence of high-harmonic generation in solids originating from coupled intraband and interband dynamics

Tancogne-Dejean, N., Mücke, O. D., Kärtner, F. X., & Rubio, A. (2017). Ellipticity dependence of high-harmonic generation in solids originating from coupled intraband and interband dynamics. Nature Communications, 8: 745. doi:10.1038/s41467-017-00764-5.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0001-790E-9 Version Permalink: https://hdl.handle.net/21.11116/0000-0003-A328-8
Genre: Journal Article

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This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder.
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https://dx.doi.org/10.1038/s41467-017-00764-5 (Publisher version)
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https://dx.doi.org/10.1038/s41467-017-01768-x (Supplementary material)
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Publisher Correction (Nature Communications 8:745, 2017-09-29)
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 Creators:
Tancogne-Dejean, N.1, 2, Author           
Mücke, O. D.3, 4, Author
Kärtner, Franz X.3, 4, 5, Author
Rubio, A.1, 2, 3, 5, Author           
Affiliations:
1Theory Group, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_2266715              
2European Theoretical Spectroscopy Facility (ETSF), ou_persistent22              
3Center for Free-Electron Laser Science CFEL, Deutsches Elektronen-Synchrotron DESY, ou_persistent22              
4The Hamburg Center for Ultrafast Imaging, ou_persistent22              
5Physics Department, University of Hamburg, ou_persistent22              

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Free keywords: ABOVE-THRESHOLD IONIZATION; DENSITY-FUNCTIONAL THEORY; MOLECULAR-DYNAMICS; POLARIZATION; FIELD; TIME; PULSES; ELECTRONS; SYMMETRY; CRYSTAL
 Abstract: The strong ellipticity dependence of high-harmonic generation (HHG) in gases enables numerous experimental techniques that are nowadays routinely used, for instance, to create isolated attosecond pulses. Extending such techniques to solids requires a fundamental understanding of the microscopic mechanism of HHG. Here we use first-principles simulations within a time-dependent density-functional framework and show how intraband and interband mechanisms are strongly and differently affected by the ellipticity of the driving laser field. The complex interplay between intraband and interband effects can be used to tune and improve harmonic emission in solids. In particular, we show that the high-harmonic plateau can be extended by as much as 30% using a finite ellipticity of the driving field. We furthermore demonstrate the possibility to generate, from single circularly polarized drivers, circularly polarized harmonics. Our work shows that ellipticity provides an additional knob to experimentally optimize HHG in solids.

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Language(s): eng - English
 Dates: 2017-09-29
 Publication Status: Published online
 Pages: -
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 Rev. Type: Peer
 Identifiers: DOI: 10.1038/s41467-017-00764-5
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Project name : We acknowledge financial support from the European Research Council (ERC-2015-AdG-694097), COST Action MP1306 (EUSpec). We thank M. Altarelli for very fruitful discussions. N.T.-D. thanks M.J.T. Oliveira for providing some of the pseudopotential files. F.X.K. and O.D.M. thank N. Klemke and Y. Yang for helpful discussions and acknowledge support by the excellence cluster “The Hamburg Centre of Ultrafast Imaging-Structure, Dynamics and Control of Matter at the Atomic Scale” and the priority program QUTIF (SPP1840 SOLSTICE) of the Deutsche Forschungsgemeinschaft.
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Title: Nature Communications
  Abbreviation : Nat. Commun.
Source Genre: Journal
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Publ. Info: London : Nature Publishing Group
Pages: - Volume / Issue: 8 Sequence Number: 745 Start / End Page: - Identifier: ISSN: 2041-1723
CoNE: https://pure.mpg.de/cone/journals/resource/2041-1723