Nature Communications (May 2020)

Non-perturbative terahertz high-harmonic generation in the three-dimensional Dirac semimetal Cd3As2

  • Sergey Kovalev,
  • Renato M. A. Dantas,
  • Semyon Germanskiy,
  • Jan-Christoph Deinert,
  • Bertram Green,
  • Igor Ilyakov,
  • Nilesh Awari,
  • Min Chen,
  • Mohammed Bawatna,
  • Jiwei Ling,
  • Faxian Xiu,
  • Paul H. M. van Loosdrecht,
  • Piotr Surówka,
  • Takashi Oka,
  • Zhe Wang

DOI
https://doi.org/10.1038/s41467-020-16133-8
Journal volume & issue
Vol. 11, no. 1
pp. 1 – 6

Abstract

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The mechanism and scaling of high harmonic generation in solids is a highly compelling ongoing area of research. Here the authors show a non-perturbative behavior of HHG in terahertz regime from 3D Dirac semimetal, Cd3As2, at room temperature, and reveal the underlying nonlinear kinetics.