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The show must go on

Researchers reveal an effect in random media, called coherent back-emission, in which directional memory of the incoming light field persists after incident radiation ceases to be present.

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Fig. 1: Coherent backscattering cone versus enhanced coherent back-emission.


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Correspondence to Luis S. Froufe-Pérez.

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Scheffold, F., Froufe-Pérez, L.S. The show must go on. Nat. Photon. 16, 92–93 (2022).

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