Instability of wave packets in nonlinear inhomogeneous waveguides |
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Authors: | I O Zolotovskii V A Lapin D I Sementsov |
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Institution: | 14179. Ulyanovsk State University, ul. L. Tolstogo 42, Ulyanovsk, 432970, Russia
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Abstract: | Conditions for modulation instability of a wave packet to occur in cubically nonlinear single- and double-mode waveguides with various distributions of dispersion parameters over the waveguide length are investigated. Analytical expressions are obtained for the integral gain increment and other characteristics governing the modulation instability dynamics. Features of the dynamics are revealed using numerical simulation. |
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