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Chiral high-harmonic generation and spectroscopy on solid surfaces using polarization-tailored strong fields

Author

Listed:
  • Tobias Heinrich

    (4th Physical Institute–Solids and Nanostructures, University of Göttingen)

  • Marco Taucer

    (Joint Attosecond Science Laboratory, National Research Council of Canada and University of Ottawa)

  • Ofer Kfir

    (4th Physical Institute–Solids and Nanostructures, University of Göttingen
    Max Planck Institute for Biophysical Chemistry)

  • P. B. Corkum

    (Joint Attosecond Science Laboratory, National Research Council of Canada and University of Ottawa)

  • André Staudte

    (Joint Attosecond Science Laboratory, National Research Council of Canada and University of Ottawa)

  • Claus Ropers

    (4th Physical Institute–Solids and Nanostructures, University of Göttingen
    Max Planck Institute for Biophysical Chemistry)

  • Murat Sivis

    (4th Physical Institute–Solids and Nanostructures, University of Göttingen
    Max Planck Institute for Biophysical Chemistry)

Abstract

Strong-field methods in solids enable new strategies for ultrafast nonlinear spectroscopy and provide all-optical insights into the electronic properties of condensed matter in reciprocal and real space. Additionally, solid-state media offers unprecedented possibilities to control high-harmonic generation using modified targets or tailored excitation fields. Here we merge these important points and demonstrate circularly-polarized high-harmonic generation with polarization-matched excitation fields for spectroscopy of chiral electronic properties at surfaces. The sensitivity of our approach is demonstrated for structural helicity and termination-mediated ferromagnetic order at the surface of silicon-dioxide and magnesium oxide, respectively. Circularly polarized radiation emanating from a solid sample now allows to add basic symmetry properties as chirality to the arsenal of strong-field spectroscopy in solids. Together with its inherent temporal (femtosecond) resolution and non-resonant broadband spectrum, the polarization control of high harmonics from condensed matter can illuminate ultrafast and strong field dynamics of surfaces, buried layers or thin films.

Suggested Citation

  • Tobias Heinrich & Marco Taucer & Ofer Kfir & P. B. Corkum & André Staudte & Claus Ropers & Murat Sivis, 2021. "Chiral high-harmonic generation and spectroscopy on solid surfaces using polarization-tailored strong fields," Nature Communications, Nature, vol. 12(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-23999-9
    DOI: 10.1038/s41467-021-23999-9
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