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Phys Rev Lett. 2002 Feb 18;88(7):073902. Epub 2002 Feb 4.

Stable spinning optical solitons in three dimensions.

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  • 1Department of Theoretical Physics, Institute of Atomic Physics, P.O. Box MG-6, Bucharest, Romania.

Abstract

We introduce spatiotemporal spinning solitons (vortex tori) of the three-dimensional nonlinear Schrödinger equation with focusing cubic and defocusing quintic nonlinearities. The first ever found completely stable spatiotemporal vortex solitons are demonstrated. A general conclusion is that stable spinning solitons are possible as a result of competition between focusing and defocusing nonlinearities.

PMID:
11863897
[PubMed]
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