Abstract
We study the formation of azimuthons, i.e., rotating spatial solitons, in media with nonlocal focusing nonlinearity. We show that whole families of these solutions can be found by considering internal modes of classical non-rotating stationary solutions, namely vortex solitons. This offers an exhaustive method to identify azimuthons in a given nonlocal medium. We demonstrate formation of azimuthons of different vorticities and explain their properties by considering the strongly nonlocal limit of accessible solitons.
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Acknowledgments
This research was supported by the Australian Research Council. Numerical simulations were performed on the SGI Altix 3700 Bx2 cluster of the Australian Partnership for Advanced Computing (APAC).
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Open Access This is an open access article distributed under the terms of the Creative Commons Attribution Noncommercial License (https://creativecommons.org/licenses/by-nc/2.0), which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author(s) and source are credited.
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Maucher, F., Buccoliero, D., Skupin, S. et al. Tracking azimuthons in nonlocal nonlinear media. Opt Quant Electron 41, 337–348 (2009). https://doi.org/10.1007/s11082-009-9351-9
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DOI: https://doi.org/10.1007/s11082-009-9351-9