Attosecond time-resolved photoelectron holography

G. Porat, G. Alon, S. Rozen, O. Pedatzur, M. Krüger, D. Azoury, A. Natan, G. Orenstein, B. D. Bruner, M. J. J. Vrakking and N. Dudovich ()
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G. Porat: National Institute of Standards and Technology and University of Colorado-Boulder
G. Alon: Weizmann Institute of Science
S. Rozen: Weizmann Institute of Science
O. Pedatzur: Weizmann Institute of Science
M. Krüger: Weizmann Institute of Science
D. Azoury: Weizmann Institute of Science
A. Natan: SLAC National Accelerator Laboratory
G. Orenstein: Weizmann Institute of Science
B. D. Bruner: Weizmann Institute of Science
M. J. J. Vrakking: Max-Born-Institut
N. Dudovich: Weizmann Institute of Science

Nature Communications, 2018, vol. 9, issue 1, 1-6

Abstract: Abstract Ultrafast strong-field physics provides insight into quantum phenomena that evolve on an attosecond time scale, the most fundamental of which is quantum tunneling. The tunneling process initiates a range of strong field phenomena such as high harmonic generation (HHG), laser-induced electron diffraction, double ionization and photoelectron holography—all evolving during a fraction of the optical cycle. Here we apply attosecond photoelectron holography as a method to resolve the temporal properties of the tunneling process. Adding a weak second harmonic (SH) field to a strong fundamental laser field enables us to reconstruct the ionization times of photoelectrons that play a role in the formation of a photoelectron hologram with attosecond precision. We decouple the contributions of the two arms of the hologram and resolve the subtle differences in their ionization times, separated by only a few tens of attoseconds.

Date: 2018
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DOI: 10.1038/s41467-018-05185-6

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