Spatial- and spatio-temporal pattern formation in optically driven discrete systems
Victor M. Burlakov
Abstract
Dynamical coherent structure (pattern) formation in the Klein-Gordon lattice excited by periodic external field near the optical resonance is studied. It is shown that besides spatial patterns discovered recently (V.M.Burlakov, Phys.Rev.Lett. 80, 3988 (1998)) the spatio-temporal patterns can be generated in the lattice in rather broad region of excitation parameters. An influence of cubic anharmonicity in the lattice potential and that of random noise on the pattern formation is examined.
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