Bistability between different localized structures in nonlinear optics |
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Authors: | Bortolozzo U Pastur L Ramazza P L Tlidi M Kozyreff G |
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Affiliation: | Istituto Nazionale di Ottica Applicata, Largo E. Fermi 6, I50125 Florence, Italy. |
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Abstract: | We report the observation of different localized structures coexisting for the same parameter values in an extended system. The experimental findings are carried out in a nonlinear optical interferometer and are fully confirmed by numerical simulations. The existence of each kind of localized structure is put in relation to a corresponding delocalized pattern observed. A quantitative evaluation of the range of pump parameter allowing bistability between localized structures is given. The phenomenon reported results to be robust in parameter space. |
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