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Entanglement distillation

Pick the best and ignore the rest

Entanglement is precious, allowing us to perform all kinds of quantum tricks. But it is easily buried under technical noise. Two experiments show how to distil the 'good parts' from a data stream and recover high-quality entanglement.

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Figure 1: Entanglement distillation.

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Bachor, HA. Pick the best and ignore the rest. Nature Phys 4, 909–910 (2008). https://doi.org/10.1038/nphys1145

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