High harmonic interferometry of multi-electron dynamics in molecules

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DOIResolve DOI: http://doi.org/10.1038/nature08253
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TypeArticle
Journal titleNature
Volume460
Issue7258
Pages972977; # of pages: 6
Subjecthigh harmonic emission; laser fields; polarization; molecules
AbstractHigh harmonic emission occurs when an electron, liberated from a molecule by an incident intense laser field, gains energy from the field and recombines with the parent molecular ion. The emission provides a snapshot of the structure and dynamics of the recombining system, encoded in the amplitudes, phases and polarization of the harmonic light. Here we show with CO2 molecules that high harmonic interferometry can retrieve this structural and dynamic information: by measuring the phases and amplitudes of the harmonic emission, we reveal ‘fingerprints’ of multiple molecular orbitals participating in the process and decode the underlying attosecond multi-electron dynamics, including the dynamics of electron rearrangement upon ionization. These findings establish high harmonic interferometry as an effective approach to resolving multi-electron dynamics with sub-Ångström spatial resolution arising from the de Broglie wavelength of the recombining electron, and attosecond temporal resolution arising from the timescale of the recombination event.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada; NRC Steacie Institute for Molecular Sciences
Peer reviewedYes
NPARC number15073188
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Record identifier8684eec1-2518-4583-8e66-6748f84eaca0
Record created2010-05-03
Record modified2016-05-09
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