Coherent Extreme Ultraviolet Light Amplification by Strong-Field-Enhanced Forward Scattering

Carles Serrat
Phys. Rev. Lett. 111, 133902 – Published 24 September 2013

Abstract

We theoretically study the response of He atoms exposed simultaneously to an intense IR pulse and a weak extreme ultraviolet (XUV) pulse with photon energies far from the principal atomic He resonances. We find that XUV forward scattering from the nonstationary electronic wave packet promoted by the intense IR driving field is strongly enhanced as compared with the normal weak scattering from bound or free electrons. Based on this effect, we predict that large amplification of XUV radiation can be achieved in the cutoff spectral region of high-harmonic generation in He gas.

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  • Received 12 June 2013

DOI:https://doi.org/10.1103/PhysRevLett.111.133902

© 2013 American Physical Society

Authors & Affiliations

Carles Serrat*

  • UPC-Universitat Politècnica de Catalunya, Colom 11, 08222 Terrassa (Barcelona), Spain

  • *carles.serrat-jurado@upc.edu

Comments & Replies

Comment on “Coherent Extreme Ultraviolet Light Amplification by Strong-Field-Enhanced Forward Scattering”

T. Bredtmann, S. Patchkovskii, and M. Ivanov
Phys. Rev. Lett. 117, 109401 (2016)

Serrat Replies:

Carles Serrat
Phys. Rev. Lett. 117, 109402 (2016)

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Vol. 111, Iss. 13 — 27 September 2013

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