Self-organization of light in optical media with competing nonlinearities - Archive ouverte HAL
Article Dans Une Revue Physical Review Letters Année : 2016

Self-organization of light in optical media with competing nonlinearities

Résumé

We study the propagation of light beams through optical media with competing nonlocal nonlin-earities. We demonstrate that the nonlocality of competing focusing and defocusing nonlinearities gives rise to self-organization and stationary states with stable hexagonal intensity patterns, akin to transverse crystals of light filaments. Signatures of this long-range ordering are shown to be observable in the propagation of light in optical waveguides and even in free space. We consider a specific form of the nonlinear response that arises in atomic vapor upon proper light coupling. Yet, the general phenomenon of self-organization is a generic consequence of competing nonlocal nonlinearities, and may, hence, also be observed in other settings.
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Dates et versions

hal-01223133 , version 1 (02-11-2015)

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F Maucher, T Pohl, Stefan Skupin, W Krolikowski. Self-organization of light in optical media with competing nonlinearities. Physical Review Letters, 2016, 116, pp.163902. ⟨10.1103/PhysRevLett.116.163902⟩. ⟨hal-01223133⟩

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