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Optimal quantum key distribution networks: capacitance versus security
DOI:10.1038/s41534-024-00828-7.png)
摘要
En 中文
The rate and security of quantum communications between users placed at arbitrary points of a quantum communication network depend on the structure of the network, on its extension and on the nature of the communication channels. In this work we propose a strategy for the optimization of trusted-relays based networks that intertwines classical network approaches and quantum information theory. Specifically, by suitably defining a quantum communication efficiency functional, we identify the optimal quantum communication connections through the network by balancing security and the quantum communication rate. The optimized network is then constructed as the network of the maximal quantum communication efficiency connections and its performance is evaluated by studying the scaling of average properties as functions of the number of nodes and of the network spatial extension.
Keyword:
MAXIMUM CAPACITY
FIELD
期刊
IF:
8.3
论文数:
1.4K
被引数:
8.1K
机构
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