Few-cycle two-frequency spatiotemporal solitons in the absence of group velocity dispersion at one of the components

K. V. Koshkin; Кошкин К. В.; S. V. Sazonov; Сазонов С. В.; M. V. Komissarova; Комиссарова М. В.; A. A. Kalinovich; Калинович А. А.

doi:10.31857/S0367676523702952

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
Affiliations:
1. Lomonosov Moscow State University
2. National Research Centre “Kurchatov Institute”
3. Moscow Aviation Institute (National Research University)
Issue: Vol 87, No 12 (2023)
Pages: 1713-1718
Section: Articles
URL: https://ogarev-online.ru/0367-6765/article/view/232529
DOI: https://doi.org/10.31857/S0367676523702952
EDN: https://elibrary.ru/QUCPQL
ID: 232529

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Abstract
About the authors
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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.

Keywords

few-cycle, light bullet, soliton

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

References

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