MACROSCOPIC STUDIES OF SHORT-PULSE HIGH-ORDER HARMONIC-GENERATION USING THE TIME-DEPENDENT SCHRODINGER-EQUATION

Authors
GAARDE MB ANTOINE P LHUILLIER A SCHAFER KJ KULANDER KC
Citation
Mb. Gaarde et al., MACROSCOPIC STUDIES OF SHORT-PULSE HIGH-ORDER HARMONIC-GENERATION USING THE TIME-DEPENDENT SCHRODINGER-EQUATION, Physical review. A, 57(6), 1998, pp. 4553-4560
Citations number
21
Categorie Soggetti
Physics
Journal title
Physical review. A → ACNP
ISSN journal
10502947
Volume
57
Issue
6
Year of publication
1998
Pages
4553 - 4560
Database
ISI
SICI code
1050-2947(1998)57:6<4553:MSOSHH>2.0.ZU;2-R
Abstract
We consider high harmonic generation by ultrashort (27-108 fs) laser p ulses and calculate the macroscopic response of a collection of atoms to such a short pulse. We show how the harmonic spectrum after propaga tion through the medium is significantly different from the single-ato m spectrum. We use single-atom data calculated by integration of the t ime-dependent Schrodinger equation and propose a method, based on an a diabatic approximation;:to extract the data necessary to perform a pro pagation calculation.