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Showing 1–3 of 3 results
Advanced filters: Author: Franziska Fennel Clear advanced filters

  • High-harmonic generation (HHG) in organic molecular crystals was previously demonstrated only in the non-perturbative regime. Here, the authors demonstrate HHG up to the 17th order in pentacene crystals, with a strong orientational dependence caused by the neighbouring molecules.

    • Falk-Erik Wiechmann
    • Samuel Schöpa
    • Franziska Fennel
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-10

  • Some photo-physical processes in multichromophore systems might get triggered only if two excitations are present. Here, the authors introduce exciton–exciton-interaction 2D spectroscopy, which is a non-linear optical method that can selectively track the time evolution of such effects.

    • Jakub Dostál
    • Franziska Fennel
    • Tobias Brixner
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-8