Complete photoionization experiments via ultrafast coherent control with polarization multiplexing. Hockett, P. b c, Wollenhaupt, M. b c, Lux, C. b c, & Baumert, T. b c Physical Review Letters, 2014.
Complete photoionization experiments via ultrafast coherent control with polarization multiplexing [link]Paper  doi  abstract   bibtex   
Photoelectron angular distributions (PADs) obtained from ionization of potassium atoms using moderately intense femtosecond IR fields (â1012Wcm-2) of various polarization states are shown to provide a route to "complete†photoionization experiments. Ionization occurs by a net three-photon absorption process, driven via the 4s 4p resonance at the one-photon level. A theoretical treatment incorporating the intrapulse electronic dynamics allows for a full set of ionization matrix elements to be extracted from 2D imaging data. 3D PADs generated from the extracted matrix elements are also compared to experimental, tomographically reconstructed, 3D photoelectron distributions, providing a sensitive test of their validity. Finally, application of the determined matrix elements to ionization via more complex, polarization-shaped, pulses is demonstrated, illustrating the utility of this methodology towards detailed understanding of complex ionization control schemes and suggesting the utility of such "multiplexed†intrapulse processes as powerful tools for measurement. © 2014 American Physical Society.
@Article{Hockett2014,
  Title                    = {Complete photoionization experiments via ultrafast coherent control with polarization multiplexing},
  Author                   = {Hockett, P.a b c , Wollenhaupt, M.a b c , Lux, C.a b c , Baumert, T.a b c },
  Journal                  = {Physical Review Letters},
  Year                     = {2014},
  Number                   = {22},
  Volume                   = {112},

  Abstract                 = {Photoelectron angular distributions (PADs) obtained from ionization of potassium atoms using moderately intense femtosecond IR fields (â1012Wcm-2) of various polarization states are shown to provide a route to "complete†photoionization experiments. Ionization occurs by a net three-photon absorption process, driven via the 4s 4p resonance at the one-photon level. A theoretical treatment incorporating the intrapulse electronic dynamics allows for a full set of ionization matrix elements to be extracted from 2D imaging data. 3D PADs generated from the extracted matrix elements are also compared to experimental, tomographically reconstructed, 3D photoelectron distributions, providing a sensitive test of their validity. Finally, application of the determined matrix elements to ionization via more complex, polarization-shaped, pulses is demonstrated, illustrating the utility of this methodology towards detailed understanding of complex ionization control schemes and suggesting the utility of such "multiplexed†intrapulse processes as powerful tools for measurement. © 2014 American Physical Society.},
  Affiliation              = {National Research Council of Canada, 100 Sussex Drive, Ottawa K1M 1R6, Canada; Institut für Physik, Carl von Ossietzky Universität Oldenburg, Carl-von-Ossietzky-Straße 9-11, 26129 Oldenburg, Germany; Institut für Physik, Universität Kassel, Heinrich-Plett-Straße 40, 34132 Kassel, Germany},
  Art_number               = {223001},
  Document_type            = {Article},
  Doi                      = {10.1103/PhysRevLett.112.223001},
  Source                   = {Scopus},
  Timestamp                = {2016.03.02},
  Url                      = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84902171393&partnerID=40&md5=f6736099cb2750e7e3b1cfea442c5733}
}

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