A mooted advantage of high-dimensional states is their robustness to noise, yet their fragility in noisy channels has hindered their deployment. A demonstration shows how to exploit entanglement to restore quantum correlations lost in transmission.
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Forbes, A., Nape, I. A scramble to preserve entanglement. Nat. Phys. 16, 1091–1092 (2020). https://doi.org/10.1038/s41567-020-0976-8
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DOI: https://doi.org/10.1038/s41567-020-0976-8
