Practical challenges in quantum key distribution

2016/06/19 by Eleni Diamanti, Hoi-Kwong Lo, Bing Qi +1 · 6 citations
Physics and Astronomy · #quant-ph

paper · pdf · doi:10.1038/npjqi.2016.25

published as npj Quantum Information 2,16025 (2016) · To appear in npj Quantum Information

arxiv created 2016/06/19 · arxiv updated 2017/01/24

Abstract

Quantum key distribution (QKD) promises unconditional security in data communication and is currently being deployed in commercial applications. Nonetheless, before QKD can be widely adopted, it faces a number of important challenges such as secret key rate, distance, size, cost and practical security. Here, we survey those key challenges and the approaches that are currently being taken to address them.

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