Quantum light (IMAGE)

University of the Witwatersrand

Quantum light

Caption

Quantum light with one twist (top row) starts pristine (donut shaped with a spiral phase) but warps and degrades beyond recognition when passing through severe environments. However, by extracting the hidden "topology" shown as wrapped spheres within the entangled state (bottom row), the core quantum information remains unbroken.

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Wits University

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