Disorder Induced Self-Focusing

Focusing

 

In photonics, disorder is usually seen as a bad feature decreasing the efficiency of optical elements and driving light far from your target.

In this paper we demonstrate that the reverse is possible: disorder transforms two de focusing-plastics into a self-focusing metamaterial.

By exploiting a phenomenon named Transversal Anderson localization it is possible to exploit scattering events to constrain light into a tiny space, and exploit very cheap disordered optical to bring information at large distances.

By putting together Transverse localization and Nonlinearity it si possible to achieve complete control of a light beam, defining the degree of localization and its position.

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