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Abstract: We study a ring cavity filled with a slab of a right-handed material and aslab of a left-handed material. Both layers are assumed to be nonlinear Kerrmedia. First, we derive a model for the propagation of light in a left-handedmaterial. By constructing a mean-field model, we show that the sign ofdiffraction can be made either positive or negative in this resonator,depending on the thicknesses of the layers. Subsequently, we demonstrate thatthe dynamical behavior of the modulation instability is strongly affected bythe sign of the diffraction coefficient. Finally, we study the dissipativestructures in this resonator and reveal the predominance of a two-dimensionalup-switching process over the formation of spatially periodic structures,leading to the truncation of the homogeneous hysteresis cycle.



Autor: Pascal Kockaert, Philippe Tassin, Guy Van der Sande, Irina Veretennicoff, Mustapha Tlidi

Fuente: https://arxiv.org/







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