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Quantitative extraction of the emission times of high-order harmonics via the determination of instantaneous frequencies

We introduce a method using the concept of instantaneous frequency, as determined with the help of a Hilbert transform, to achieve an accurate time-frequency analysis of the dipole issued from the numerical resolution of the time-dependent Schrödinger equation for any model system driven by an inte...

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Bibliographic Details
Main Authors: Risoud, François (Author) , Caillat, Jérémie (Author) , Maquet, Alfred (Author) , Taïeb, Richard (Author) , Lévêque, Camille (Author)
Format: Article (Journal)
Language:English
Published: 14 October 2013
In: Physical review. A, Atomic, molecular, and optical physics
Year: 2013, Volume: 88, Issue: 4, Pages: 1-5
ISSN:1094-1622
DOI:10.1103/PhysRevA.88.043415
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevA.88.043415
Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevA.88.043415
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Author Notes:François Risoud, Jérémie Caillat, Alfred Maquet, and Richard Taïeb, Camille Lévêque
Description
Summary:We introduce a method using the concept of instantaneous frequency, as determined with the help of a Hilbert transform, to achieve an accurate time-frequency analysis of the dipole issued from the numerical resolution of the time-dependent Schrödinger equation for any model system driven by an intense laser field. It permits the quantitative extraction of the emission times of the harmonics that coincide with the recollision times of the laser-driven electronic wave packet with the ionic core, for the first and the second return.
Item Description:Gesehen am 14.01.2022
Physical Description:Online Resource
ISSN:1094-1622
DOI:10.1103/PhysRevA.88.043415

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