Macroscopic studies of short-pulse high-order harmonic generation using the time-dependent Schrodinger equation

Mette Gaarde, P Antoine, Anne L'Huillier, K. J Schafer, K. C Kulander

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Abstract

We consider high harmonic generation by ultrashort (27-108 fs) laser pulses and calculate the macroscopic response of a collection of atoms to such a short pulse. We show how the harmonic spectrum after propagation through the medium is significantly different from the single-atom spectrum. We use single-atom data calculated by integration of the time-dependent Schrodinger equation and propose a method, based on an adiabatic approximation;:to extract the data necessary to perform a propagation calculation.
Original languageEnglish
Pages (from-to)4553-4560
JournalPhysical Review A (Atomic, Molecular and Optical Physics)
Volume57
Issue number6
DOIs
Publication statusPublished - 1998

Subject classification (UKÄ)

  • Atom and Molecular Physics and Optics

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