Dipole-mode vector solitons in anisotropic nonlocal self-focusing media.
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We demonstrate, theoretically and experimentally, that dipole-mode vector solitons created in biased photorefractive media possess a number of anisotropy-driven properties, such as stability of a selected orientation, wobbling, and incomplete rotation, owing to the anisotropic nonlocal response of the photorefractive non-linearity. Such features are found for higher-order (multipole) vector solitons, and they are carefully verified in an experiment.
author list (cited authors)
Neshev, D., McCarthy, G., Krolikowski, W., Ostrovskaya, E. A., Kivshar, Y. S., Fernandez Calvo, G., & Agullo-Lopez, F.