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

Gaarde, MB;Antoine, Philippe;L'Huillier, A;Schafer, KJ;Kulander, KC
(2004) Physical review. A, Atomic, molecular, and optical physics — Vol. 57, n° 6, p. 4553-4560 (2004)

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Authors
  • Gaarde, MB
    Author
  • Antoine, PhilippeUCLouvain
    Author
  • L'Huillier, A
    Author
  • Schafer, KJ
    Author
  • Kulander, KC
    Author
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.
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Gaarde, M., Antoine, P., L’Huillier, A., Schafer, K., & Kulander, K. (2004). Macroscopic studies of short-pulse high-order harmonic generation using the time-dependent Schrodinger equation. Physical review. A, Atomic, molecular, and optical physics, 57(6), 4553-4560. https://doi.org/10.1103/PhysRevA.57.4553 (Original work published 2004)