Soliton-like propagation of light pulses in a nonlinear photonic crystalстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:On the basis of computer simulation, we analyze the dynamics of interaction of subpulses localized inside certain layers of a one-dimensional nonlinear photonic crystal. Localized subpulses are shown to move and interact like solitons. Possible scenarios of their interaction are described: a spatially periodic regime. the merging of several subpulses with similar characteristics into a single higher intensity and more slowly propagating subpulse, and the formation of an immovable pulse in a layer of the photonic crystal. To verify the results of the computer simulation and to elucidate the nature of spatially localized structures forming. a comparison with the analytical solution for a medium with cubic nonlinearity is performed. (C) 2004 MAIK "Nauka/Interperiodica".