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20112026
most citedUnconditional security proof of a deterministic quantum key distribution with a two-way quantum channel

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quant-ph2011★ 70 cited

Unconditional security proof of a deterministic quantum key distribution with a two-way quantum channel

Hua Lu, Chi-Hang Fred Fung, Xiongfeng Ma +1

In a deterministic quantum key distribution (DQKD) protocol with a two-way quantum channel, Bob sends a qubit to Alice who then encodes a key bit onto the qubit and sends it back t…