Attosecond time-resolved photoelectron holography

Nature Communications
G PoratN Dudovich

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.

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Citations

Nov 30, 2019·Reports on Progress in Physics·C Figueira de Morisson Faria, A S Maxwell
Mar 7, 2019·Nature Communications·M KübelA Staudte
Apr 4, 2020·Physical Review Letters·Xiwang LiuWeifeng Yang
Jan 5, 2019·Physical Review Letters·Jia TanPeixiang Lu
Feb 15, 2020·Physical Review Letters·Nicolas EickeManfred Lein
Apr 3, 2021·Physical Review Letters·M KübelD B Milošević

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Methods Mentioned

BETA
electron holography

Software Mentioned

CCSFA

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