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Self-trapping of speckled light beams

A speckle beam of light breaks up into small fragments as it propagates in a standard self-focusing nonlinear material. Now, by exploiting the non-local thermal response of a material, it is possible to trap a speckle beam in a self-induced waveguide.

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Figure 1: Self-trapping of a speckle beam in a non-local nonlinear material.


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Picozzi, A. Self-trapping of speckled light beams. Nature Photon 2, 334–335 (2008).

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