Propagation Induced Dephasing in Semiconductor High-Harmonic Generation

Isak Kilen, Miroslav Kolesik, Jorg Hader, Jerome V. Moloney, Ulrich Huttner, Maria K. Hagen, Stephan W. Koch

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

The influence of propagation on the nonperturbative high-harmonic features in long-wavelength strong pulse excited semiconductors is studied using a fully microscopic approach. For sample lengths exceeding the wavelength of the exciting light, it is shown that the propagation effectively acts as a very strong additional dephasing that reduces the relative height of the emission plateau up to six orders of magnitude. This propagation induced dephasing clarifies the need to use extremely short polarization decay times for the quantitative analysis of experimental observations.

Original languageEnglish (US)
Article number083901
JournalPhysical review letters
Volume125
Issue number8
DOIs
StatePublished - Aug 21 2020

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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