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Few-cycle two-frequency spatiotemporal solitons in the absence of group velocity dispersion at one of the components
- Authors: Koshkin K.V.1, Sazonov S.V.1,2,3, Komissarova M.V.1, Kalinovich A.A.1
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Affiliations:
- Lomonosov Moscow State University
- National Research Centre “Kurchatov Institute”
- Moscow Aviation Institute (National Research University)
- Issue: Vol 87, No 12 (2023)
- Pages: 1713-1718
- Section: Articles
- URL: https://ruspoj.com/0367-6765/article/view/654528
- DOI: https://doi.org/10.31857/S0367676523702952
- EDN: https://elibrary.ru/QUCPQL
- ID: 654528
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Abstract
The second harmonic generation by few-cycle pulses is studied when the group velocity dispersion coefficient is equal to zero at the fundamental or doubled frequency. Using numerical simulation, it is shown that in both cases, in the presence of a negative third-order dispersion, the formation of stable two-frequency spatiotemporal solitons is possible.
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About the authors
K. V. Koshkin
Lomonosov Moscow State University
Author for correspondence.
Email: koshkin.kv19@physics.msu.ru
Russia, 191991, Moscow
S. V. Sazonov
Lomonosov Moscow State University; National Research Centre “Kurchatov Institute”; Moscow Aviation Institute (National Research University)
Email: koshkin.kv19@physics.msu.ru
Russia, 191991, Moscow; Russia, 123182, Moscow; Russia, 125993, Moscow
M. V. Komissarova
Lomonosov Moscow State University
Email: koshkin.kv19@physics.msu.ru
Russia, 191991, Moscow
A. A. Kalinovich
Lomonosov Moscow State University
Email: koshkin.kv19@physics.msu.ru
Russia, 191991, Moscow
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