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Rabi oscillations in extreme ultraviolet ionization of atomic argon

Martin Flögel, Judith Durá, Bernd Schütte, Misha Ivanov, Arnaud Rouzée, and Marc J. J. Vrakking
Phys. Rev. A 95, 021401(R) – Published 10 February 2017
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Abstract

We demonstrate Rabi oscillations in nonlinear ionization of argon by an intense femtosecond extreme ultraviolet (XUV) laser field produced by high-harmonic generation. We monitor the formation of Ar2+ as a function of the time delay between the XUV pulse and an additional near-infrared (NIR) femtosecond laser pulse, and show that the population of an Ar+* intermediate resonance exhibits strong modulations both due to an NIR laser-induced Stark shift and XUV-induced Rabi cycling between the ground state of Ar+ and the Ar+* excited state. Our experiment represents a direct experimental observation of a Rabi-cycling process in the XUV regime.

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  • Received 4 March 2016

DOI:https://doi.org/10.1103/PhysRevA.95.021401

©2017 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & Optical

Authors & Affiliations

Martin Flögel, Judith Durá*, Bernd Schütte, Misha Ivanov, Arnaud Rouzée, and Marc J. J. Vrakking

  • Max-Born-Institut, Max-Born-Strasse 2A, 12489 Berlin, Germany

  • *Corresponding author: judith.dura@mbi-berlin.de

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Issue

Vol. 95, Iss. 2 — February 2017

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