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Optics and Spectroscopy, 2021, Volume 129, Issue 5, Pages 627–633
DOI: https://doi.org/10.21883/OS.2021.05.50890.1842-21
(Mi os138)
 

This article is cited in 4 scientific papers (total in 4 papers)

Extremely strong fields and ultrashort optical pulses

Creation of population gratings in a gas of hydrogen atoms using ultraviolet attosecond pulses

R. M. Arkhipovab, M. V. Arkhipova, A. V. Pakhomova, Yu. M. Artem'eva, N. N. Rosanovb

a Saint Petersburg State University
b Ioffe Institute, St. Petersburg
Full-text PDF (364 kB) Citations (4)
Abstract: We study the possibility of creating gratings of populations in a gas of hydrogen atoms using a pair of UV attosecond pulses that do not overlap in the medium. In this case, the central frequency of the pulses can either coincide with the frequency of the 1–2 resonant transition from the ground state to the first excited state (the main line of the Lyman series), or be detuned from it. The values of numerically calculated quantities agree with those obtained analytically from the solution of an approximate Schrödinger equation in perturbation theory. We show that, upon resonant excitation, the greatest creation efficiency of gratings is achieved with increasing pulse duration. In the case of nonresonant excitation, on the contrary, the system is excited more efficiently by short quasi-unipolar subcycle pulses than by bipolar multicycle once. The obtained results can be applied to coherent excitation of a single atom (thin layer) using a pair of UV pulses. We show that the modulation depth of gratings can be controlled by changing the carrier envelope phase (CEP) of UV attosecond pulses.
Keywords: attosecond pulses, light-induced gratings, hydrogen atom.
Funding agency Grant number
Russian Science Foundation 17-19-01097-П
Russian Foundation for Basic Research 19-02-00312
The study of the dynamics of the level populations in a hydrogen atom under the action of attosecond pulses was financially supported by the Russian Science Foundation, project no. 17-19-01097-P. The study of the role played by the electric area in the interaction was supported by the Russian Foundation for Basic Research, grant no. 19-02-00312.
Received: 23.01.2021
Revised: 23.01.2021
Accepted: 04.02.2021
English version:
Optics and Spectroscopy, 2021, Volume 129, Issue 6, Pages 605–611
DOI: https://doi.org/10.1134/S0030400X21050039
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: R. M. Arkhipov, M. V. Arkhipov, A. V. Pakhomov, Yu. M. Artem'ev, N. N. Rosanov, “Creation of population gratings in a gas of hydrogen atoms using ultraviolet attosecond pulses”, Optics and Spectroscopy, 129:5 (2021), 627–633; Optics and Spectroscopy, 129:6 (2021), 605–611
Citation in format AMSBIB
\Bibitem{ArkArkPak21}
\by R.~M.~Arkhipov, M.~V.~Arkhipov, A.~V.~Pakhomov, Yu.~M.~Artem'ev, N.~N.~Rosanov
\paper Creation of population gratings in a gas of hydrogen atoms using ultraviolet attosecond pulses
\jour Optics and Spectroscopy
\yr 2021
\vol 129
\issue 5
\pages 627--633
\mathnet{http://mi.mathnet.ru/os138}
\crossref{https://doi.org/10.21883/OS.2021.05.50890.1842-21}
\elib{https://elibrary.ru/item.asp?id=46495622}
\transl
\jour Optics and Spectroscopy
\yr 2021
\vol 129
\issue 6
\pages 605--611
\crossref{https://doi.org/10.1134/S0030400X21050039}
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  • https://www.mathnet.ru/eng/os/v129/i5/p627
  • This publication is cited in the following 4 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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