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On homoclinic snaking in optical systems

Firth, W. J. and Columbo, L. and Maggipinto, T. (2007) On homoclinic snaking in optical systems. Chaos, 17 (3). -.

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The existence of localized structures, including so-called cavity solitons, in driven optical systems is discussed. In theory, they should exist only below the threshold of a subcritical modulational instability, but in experiment they often appear spontaneously on parameter variation. The addition of a nonlocal nonlinearity may resolve this discrepancy by tilting the "snaking" bifurcation diagram characteristic of such problems. (c) 2007 American Institute of Physics.