Localized optical structures in the scheme of a nonlinear layer with a feedback mirror |
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Authors: | N. N. Rozanov |
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Affiliation: | (1) Research Institute of Laser Physics, St. Petersburg, 199034, Russia |
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Abstract: | An analysis is made of the dynamics of the transverse structure of the field in the scheme of a layer of a medium with nonlinear amplitude-phase transmittance and a feedback mirror separated from it by a linear spacing. For the case of small field changes in a single passage, an approximate equation is derived, which is close in form to the equation used in the average-field approximation for nonlinear interferometers excited with external emission. For the nonlinearity of threshold type, an analytical form is presented for the field distribution corresponding to localized dissipative structures (dissitons). |
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