Abstract
Results of numerical simulation of soliton-like propagation of two interacting femtosecond laser pulses in bulk media with radial symmetry are presented. Propagation is analysed under conditions of SHG with strong self-action and remarkable phase mismatch for nonzero input amplitudes of both waves. Two NLSE in two spatial coordinates and time with quadratic and cubic nonlinearities govern the process. Numerical simulation was made on the base of conservative difference scheme, taking into account the conservation laws of the problem. Long-time approximation of flat beam profiles was used to reveal the conditions of soliton-like propagation.
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Trofimov, V.A., Lysak, T.M. (2005). Soliton-Like Regime of Femtosecond Laser Pulse Propogation in Bulk Media Under the Conditions of SHG. In: Li, Z., Vulkov, L., Waśniewski, J. (eds) Numerical Analysis and Its Applications. NAA 2004. Lecture Notes in Computer Science, vol 3401. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-31852-1_66
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DOI: https://doi.org/10.1007/978-3-540-31852-1_66
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