TIME DEPENDENCE OF THE POINT SPREAD FUNCTION OF A FOUR-WAVE CONVERTER IN A WAVEGUIDE WITH THERMAL NONLINEARITY

E.V. Vorobieva; Воробьева Е.В.; V.V. Ivakhnik; Ивахник В.В.; M.V. Luneva; Лунева М.В.

doi:10.18287/2541-7525-2014-20-10-130-139

TIME DEPENDENCE OF THE POINT SPREAD FUNCTION OF A FOUR-WAVE CONVERTER IN A WAVEGUIDE WITH THERMAL NONLINEARITY

Authors: Vorobieva E.¹, Ivakhnik V.¹, Luneva M.¹
Affiliations:
1. Самарский государственный университет
Issue: Vol 20, No 10 (2014)
Pages: 130-139
Section: Articles
URL: https://journals.ssau.ru/est/article/view/4518
DOI: https://doi.org/10.18287/2541-7525-2014-20-10-130-139
ID: 4518

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Abstract

The time dependence of a quality of wave-front reversal has been analyzed at four-wave interaction in a waveguide with thermal nonlinearity. The inﬂuence of waveguide parameters and mode structure of pumping waves on time dependence character has been investigated. It has been shown, that increases of number of single-mode pumping waves lead to decreases of diﬀerence in point spread function width in steady state and initial state.