【摘 要】
：
With the rapid improvement of quantum computing technology,quantum key distribution(QKD)is a hot technology.Information reconciliation is a key step of QKD whic
【机 构】
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State Key Laboratory of Information Security,Institute of Information Engineering,Chinese Academy of
论文部分内容阅读
With the rapid improvement of quantum computing technology,quantum key distribution(QKD)is a hot technology.Information reconciliation is a key step of QKD which is useful for correcting key error.Classical message interaction is necessary in a practical information reconciliation scheme,which makes the efficiency of these protocols decreased.Therefore,some one-way information reconciliation schemes based on low-density parity-check(LDPC) codes and polar codes are proposed.Here we propose a concatenated method of IR schemes which can achieve any given error rate level without the need of interactions.Compared with the one-way IR schems based on LDPC codes and polar codes,the IR schemes based on the proposed concatenated method can get lower bit error rates after error correction,which can also reduce the communication delay and system complexity of QKD,improve the final key generation rate and enhance the practicability of QKD system.
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