Cited by 27Laser-Matter Interactions and ApplicationsSpectroscopy and Quantum Chemical StudiesAtomic and Molecular Physics

Group velocity matching in high-order harmonic generation driven by mid-infrared lasers

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Hernández-García, C, Popmintchev, T, Murnane, M M, Kapteyn, H C, Plaja, L, Becker, A, Jaron-Becker, A·2016·New Journal of Physics

Abstract

We analyze the role of group-velocity matching (GVM) in the macroscopic build up of the high-harmonic signal generated in gas targets at high pressures. A definition of the walk-off length, associated with GVM, in the non-perturbative intensity regime of high-harmonic generation is given. Semiclassical predictions based on this definition are in excellent agreement with full quantum simulations. We demonstrate that group velocity matching is a relevant factor in high harmonic generation and the isolation of attosecond pulses driven by long wavelength lasers and preferentially selects contributions from the short quantum trajectories.

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Crossref · 10.1088/1367-2630/18/7/073031

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  • Group-velocity walk-off issues limit the utility of extremely-short, quasi-single-cycle pulses for HHG [143].

    “However, it has become clear that group-velocity walk-off issues limit the utility of extremely-short, quasi-single-cycle pulses for HHG [143].”

    From Roadmap of ultrafast x-ray atomic and molecular physics (2018) · cites this paper as [143]

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Authors
Hernández-García, C., Popmintchev, T., Murnane, M. M., Kapteyn, H. C., Plaja, L., Becker, A., & Jaron-Becker, A.
Affiliations
  • Joint Institute for Laboratory Astrophysics (US)
  • Universidad de Salamanca (ES)
Venue
New Journal of Physics
Published
2016-07-14
Volume
18
Issue
7
Pages
073031
ISSN
1367-2630 (ISSN-L)
OpenAlex
W2473041147
Cited by
27
References
34
Citations by year
2026: 1 · 2024: 3 · 2022: 3 · 2021: 3 · 2020: 2 · 2019: 1 · 2018: 1 · 2017: 12 · 2016: 1
FWCI
2.37
Type
journal article
Language
en
Open access
Locations
  • New Journal of Physics (publishedVersion, cc-by)
  • Hispana (publishedVersion, cc-by-nc-nd)
  • CU Scholar (University of Colorado Boulder) (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
  • Gredos (University of Salamanca) (submittedVersion, cc-by-nc-nd)
Funders
  • National Science Foundation (CNS-0821794, PHY-1125844, PHY-1068706)
  • Research Executive Agency (Marie Curie International Outgoing, gra)
  • Junta de Castilla y Len (SA116U13)
  • Air Force Office of Scientific Research (MURI award "Harnessing Strong-)
  • Ministerio de Economa y Competitividad (FIS2013-44174-P, FIS2015- 71933-REDT)
Topics
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Laser-Matter Interactions and Applications
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Spectroscopy and Quantum Chemical Studies
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Atomic and Molecular Physics
Keywords
group velocity matching, high harmonic generation, mid-infrared lasers, attosecond pulses, quantum trajectories, quantum simulation

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