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Ab initio multiscale simulation of high-order harmonic generation in solids

Isabella Floss, Christoph Lemell, Georg Wachter, Valerie Smejkal, Shunsuke A. Sato, Xiao-Min Tong, Kazuhiro Yabana, and Joachim Burgdörfer
Phys. Rev. A 97, 011401(R) – Published 16 January 2018
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Abstract

High-order-harmonic generation by a highly nonlinear interaction of infrared laser fields with matter allows for the generation of attosecond pulses in the XUV spectral regime. This process, well established for atoms, has been recently extended to the condensed phase. Remarkably well-pronounced harmonics up to order 30 have been observed for dielectrics. We establish a route toward an ab initio multiscale simulation of solid-state high-order-harmonic generation. We find that mesoscopic effects of the extended system, in particular the realistic sampling of the entire Brillouin zone, the pulse propagation in the dense medium, and the inhomogeneous illumination of the crystal, have a strong effect on the harmonic spectra. Our results provide an explanation for the formation of clean harmonics and have implications for a wide range of nonlinear optical processes in dense media.

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  • Received 30 May 2017

DOI:https://doi.org/10.1103/PhysRevA.97.011401

©2018 American Physical Society

Physics Subject Headings (PhySH)

Nonlinear DynamicsCondensed Matter, Materials & Applied Physics

Authors & Affiliations

Isabella Floss1,*, Christoph Lemell1, Georg Wachter1, Valerie Smejkal1, Shunsuke A. Sato2, Xiao-Min Tong3,4, Kazuhiro Yabana3,4, and Joachim Burgdörfer1

  • 1Institute for Theoretical Physics, Vienna University of Technology, Wiedner Hauptstraße 8-10, A-1040 Vienna, Austria, European Union
  • 2Max Planck Institute for the Structure and Dynamics of Matter, Luruper Chaussee 149, D-22761 Hamburg, Germany, European Union
  • 3Center for Computational Sciences, University of Tsukuba, Tsukuba 305-8577, Japan
  • 4Graduate School of Pure and Applied Sciences, University of Tsukuba, Tsukuba 305-8571, Japan

  • *Corresponding author: isabella.floss@tuwien.ac.at

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Vol. 97, Iss. 1 — January 2018

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