Abstract
Self-action of waves in quadratic nonlinear media leads to the phase velocity changes, which are proportional to the amplitudes. This phenomena take place when wave energy exchange is absence. Due to parametric self-action, spatial χ(2) solitons may be formed [1–4]. In strong fields when the nonlinear refraction prevails, the parametric mutual focusing of beams with quadratic nonlinearity should occur [1, 2].
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References
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© 1999 Springer Science+Business Media Dordrecht
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Sukhorukov, A.P., Xin, L. (1999). Ray Optics Theory of Self-Matched Beams Mutual Focusing in Quadratic Nonlinear Media. In: Boardman, A.D., Pavlov, L., Tanev, S. (eds) Advanced Photonics with Second-Order Optically Nonlinear Processes. NATO Science Series, vol 61. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-0850-1_16
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DOI: https://doi.org/10.1007/978-94-007-0850-1_16
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