Azimuthons in nonlocal nonlinear media
Date
2006-08-21
Authors
Lopez-Aguayo, Servando
Desyatnikov, Anton S
Kivshar, Yuri
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Publisher
Optical Society of America
Abstract
We demonstrate that spatial nonlocal response provides
an effective physical mechanism for stabilization of recently introduced
azimuthally modulated self-trapped rotating singular optical beams or
azimuthons [see A. S. Desyatnikov, A. A. Sukhorukov, and Yu. S. Kivshar,
Phys. Rev. Lett. 95, 203904 (2005)].We find that stable azimuthons become
possible when the nonlocality parameter exceeds a certain threshold value
and, in a sharp contrast to local media, the azimuthons with N peaks can
also exist for N < 2m, where m is the azimuthon topological charge.
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Keywords
nonlinear optics, transverse effects in, nonlinear optics: pulse propagation and solitons, self-action effects, phase
Citation
Optics Express 14.17 (2006): 7903-7908
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Optics Express
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Journal article
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