Bright attosecond soft X-ray pulse trains by transient phase-matching in two-color high-order harmonic generation

Bernd Schütte, Paul Weber, Katalin Kovács, Emeric Balogh, Balázs Major, Valer Tosa, Songhee Han, Marc J J Vrakking, K. Varjú, Arnaud Rouzée

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

We study two-color high-order harmonic generation in Neon with 790nm and 1300nm driving laser fields and observe an extremeultraviolet continuum that extends to photon energies of 160eV. Using a 6-mm-long, high pressure gas cell, we optimize the HHG yield at high photon energies and investigate the effect of ionization and propagation under phase-matching conditions that allow us to control the temporal structure of the XUV emission. Numerical simulations that include the 3D propagation of the two-color laser pulse show that a bright isolated attosecond pulse with exceptionally high photon energies can be generated in our experimental conditions due to an efficient hybrid optical and phase-matching gating mechanism.

Original languageEnglish
Pages (from-to)33947-33955
Number of pages9
JournalOptics Express
Volume23
Issue number26
DOIs
Publication statusPublished - Dec 28 2015

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phase matching
harmonic generations
color
photons
pulses
x rays
propagation
neon
lasers
energy
continuums
ionization
cells
gases
simulation

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Schütte, B., Weber, P., Kovács, K., Balogh, E., Major, B., Tosa, V., ... Rouzée, A. (2015). Bright attosecond soft X-ray pulse trains by transient phase-matching in two-color high-order harmonic generation. Optics Express, 23(26), 33947-33955. https://doi.org/10.1364/OE.23.033947

Bright attosecond soft X-ray pulse trains by transient phase-matching in two-color high-order harmonic generation. / Schütte, Bernd; Weber, Paul; Kovács, Katalin; Balogh, Emeric; Major, Balázs; Tosa, Valer; Han, Songhee; Vrakking, Marc J J; Varjú, K.; Rouzée, Arnaud.

In: Optics Express, Vol. 23, No. 26, 28.12.2015, p. 33947-33955.

Research output: Contribution to journalArticle

Schütte, B, Weber, P, Kovács, K, Balogh, E, Major, B, Tosa, V, Han, S, Vrakking, MJJ, Varjú, K & Rouzée, A 2015, 'Bright attosecond soft X-ray pulse trains by transient phase-matching in two-color high-order harmonic generation', Optics Express, vol. 23, no. 26, pp. 33947-33955. https://doi.org/10.1364/OE.23.033947
Schütte, Bernd ; Weber, Paul ; Kovács, Katalin ; Balogh, Emeric ; Major, Balázs ; Tosa, Valer ; Han, Songhee ; Vrakking, Marc J J ; Varjú, K. ; Rouzée, Arnaud. / Bright attosecond soft X-ray pulse trains by transient phase-matching in two-color high-order harmonic generation. In: Optics Express. 2015 ; Vol. 23, No. 26. pp. 33947-33955.
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