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30 April 2019 Vortex light bullets forming at second harmonic generation
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Abstract
By means of numerical simulation we investigate vortex solitons comprised of coupled pulses with phase singularity under conditions of second harmonic generation. They are usually known for their low stability. We carefully examine homogeneous or inhomogeneous media. Our principal interest is to obtain a stable two-component bullet at normal dispersion. We demonstrate that such bullet can form if spreading tendencies compete with the proper focusing waveguide geometry.
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Aleksey A. Kalinovich, Maria V. Komissarova, Irina G. Zakharova, and Dmitrii Y. Zagursky "Vortex light bullets forming at second harmonic generation", Proc. SPIE 11026, Nonlinear Optics and Applications XI, 110260M (30 April 2019); https://doi.org/10.1117/12.2520747
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