Coherent control of photoelectron wavepacket angular interferograms

From National Research Council Canada

DOIResolve DOI: https://doi.org/10.1088/0953-4075/48/21/214004
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Name affiliation
  1. National Research Council Canada. Security and Disruptive Technologies
FormatText
TypeArticle
Journal titleJournal of Physics B: Atomic, Molecular and Optical Physics
ISSN0953-4075
Volume48
Issue21
Article number214004
SubjectInterferometry; Ionization; Laser pulses; Measurements; Multiphoton processes; Multiplexing; Photoelectrons; Photons; Polarization; Units of measurement; Wave packets; Coherent control; Information contents; Interferograms; Light-matter interactions; Polarization sensitivity; Quantum metrology; Shaped laser pulse; Shaped pulse; Photoionization
Abstract
Coherent control over photoelectron wavepackets, via the use of polarization-shaped laser pulses, can be understood as a time and polarization-multiplexed process, where the final (time-integrated) observable coherently samples all instantaneous states of the light-matter interaction. In this work, we investigate this multiplexing via computation of the observable photoelectron angular interferograms resulting from multi-photon atomic ionization with polarization-shaped laser pulses. We consider the polarization sensitivity of both the instantaneous and cumulative continuum wavefunction; the nature of the coherent control over the resultant photoelectron interferogram is thus explored in detail. Based on this understanding, the use of coherent control with polarization-shaped pulses as a methodology for a highly multiplexed coherent quantum metrology is also investigated, and defined in terms of the information content of the observable.
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PublisherIOP Publishing
LanguageEnglish
Peer reviewedYes
NPARC number21277388
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