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Attosecond control of electron-ion recollision in high harmonic generation

Gademann, G. ; Kelkensberg, F. ; Siu, W. K. ; Johnsson, Per LU orcid ; Gaarde, M. B. ; Schafer, K. J. and Vrakking, M. J. J. (2011) In New Journal of Physics 13.
Abstract
We show that high harmonic generation driven by an intense near-infrared (IR) laser can be temporally controlled when an attosecond pulse train (APT) is used to ionize the generation medium, thereby replacing tunnel ionization as the first step in the well-known three-step model. New harmonics are formed when the ionization occurs at a well-defined time within the optical cycle of the IR field. The use of APT-created electron wave packets affords new avenues for the study and application of harmonic generation. In the present experiment, this makes it possible to study harmonic generation at IR intensities where tunnel ionization does not give a measurable signal.
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author
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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
New Journal of Physics
volume
13
publisher
IOP Publishing
external identifiers
  • wos:000289063700002
  • scopus:79953767665
ISSN
1367-2630
DOI
10.1088/1367-2630/13/3/033002
language
English
LU publication?
yes
id
8d3c4e63-cb7f-4206-9c7b-34302dfec9c8 (old id 1925021)
date added to LUP
2016-04-01 13:35:09
date last changed
2022-04-14 01:58:57
@article{8d3c4e63-cb7f-4206-9c7b-34302dfec9c8,
  abstract     = {{We show that high harmonic generation driven by an intense near-infrared (IR) laser can be temporally controlled when an attosecond pulse train (APT) is used to ionize the generation medium, thereby replacing tunnel ionization as the first step in the well-known three-step model. New harmonics are formed when the ionization occurs at a well-defined time within the optical cycle of the IR field. The use of APT-created electron wave packets affords new avenues for the study and application of harmonic generation. In the present experiment, this makes it possible to study harmonic generation at IR intensities where tunnel ionization does not give a measurable signal.}},
  author       = {{Gademann, G. and Kelkensberg, F. and Siu, W. K. and Johnsson, Per and Gaarde, M. B. and Schafer, K. J. and Vrakking, M. J. J.}},
  issn         = {{1367-2630}},
  language     = {{eng}},
  publisher    = {{IOP Publishing}},
  series       = {{New Journal of Physics}},
  title        = {{Attosecond control of electron-ion recollision in high harmonic generation}},
  url          = {{http://dx.doi.org/10.1088/1367-2630/13/3/033002}},
  doi          = {{10.1088/1367-2630/13/3/033002}},
  volume       = {{13}},
  year         = {{2011}},
}