2021
DOI: 10.48550/arxiv.2112.10014
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Enhanced discrimination of high-dimensional quantum states by concatenated optimal measurement strategies

M. A. Solís-Prosser,
O. Jiménez,
A. Delgado
et al.

Abstract: The impossibility of deterministic and error-free discrimination among nonorthogonal quantum states lies at the core of quantum theory and constitutes a primitive for secure quantum communication. Demanding determinism leads to errors, while demanding certainty leads to some inconclusiveness. One of the most fundamental strategies developed for this task is the optimal unambiguous measurement. It encompasses conclusive results, which allow for error-free state retrodictions with the maximum success probability… Show more

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