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Self-Organization of Light in Optical Media with Competing Nonlinearities

MPG-Autoren
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Pohl,  T.
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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Zitation

Maucher, F., Pohl, T., Skupin, S., & Krolikowski, W. (2016). Self-Organization of Light in Optical Media with Competing Nonlinearities. Physical Review Letters, 116(16): 163902. doi:10.1103/PhysRevLett.116.163902.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-002A-D987-A
Zusammenfassung
We study the propagation of light beams through optical media with competing nonlocal nonlinearities. 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.