Attosecond control of electron emission from atoms. Laurent, G, Cao, W, Ben-Itzhak, I, & Cocke, C L Journal of Physics: Conference Series, 488(1):012008, April, 2014. Paper doi abstract bibtex We demonstrate that the electron emission from atoms can be temporally controlled on an attosecond time scale. Electron wave-packets are formed by ionizing an atomic target with an attosecond pulse train composed of both odd and even high-order harmonics in the presence of a relatively weak infrared field. We show that interference between one- and two-photon transitions produces a large asymmetry in the angular distribution of the photoelectrons. The direction of the emission can be controlled on an attosecond time scale by varying the time delay between the two pulses. In addition, we show that such asymmetric emission is also related to the properties of the attosecond pulse train. The temporal analysis of the modulated electron emission, based on an accurate description of the atomic physics of the photoionization process, then provides a way to measure the temporal profile of the attosecond pulse.
@article{Laurent2014,
title = {Attosecond control of electron emission from atoms},
volume = {488},
issn = {1742-6588},
url = {http://stacks.iop.org/1742-6596/488/i=1/a=012008},
doi = {10.1088/1742-6596/488/1/012008},
abstract = {We demonstrate that the electron emission from atoms can be temporally controlled on an attosecond
time scale. Electron wave-packets are formed by ionizing an atomic target with an attosecond pulse
train composed of both odd and even high-order harmonics in the presence of a relatively weak
infrared field. We show that interference between one- and two-photon transitions produces a large
asymmetry in the angular distribution of the photoelectrons. The direction of the emission can be
controlled on an attosecond time scale by varying the time delay between the two pulses. In
addition, we show that such asymmetric emission is also related to the properties of the attosecond
pulse train. The temporal analysis of the modulated electron emission, based on an accurate
description of the atomic physics of the photoionization process, then provides a way to measure the
temporal profile of the attosecond pulse.},
number = {1},
urldate = {2015-06-04},
journal = {Journal of Physics: Conference Series},
author = {Laurent, G and Cao, W and Ben-Itzhak, I and Cocke, C L},
month = apr,
year = {2014},
keywords = {\#nosource},
pages = {012008},
}
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