Secure quantum communication with orthogonal states
Secure quantum communication with orthogonal states
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DOI：
10.1142/s0219749916400219
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发表时间：
2014-07
影响因子：
1.2
通讯作者：
Chitra Shukla;Chitra Shukla;A. Banerjee;A. Pathak;R. Srikanth
中科院分区：
文献类型：
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作者：
Chitra Shukla;Chitra Shukla;A. Banerjee;A. Pathak;R. Srikanth
在大多数安全量子通信协议(如BB84、B92等)中，协议的无条件安全性是通过使用共轭编码(两个或多个相互无偏的碱基(MUB))来获得的。最初，所有基于共轭编码的安全量子通信协议都局限于量子密钥分配(QKD)，但后来它们被扩展到其他密码任务(如安全的直接量子通信和量子密钥协商)。与基于共轭编码的协议相比，还提出了几个基于完全正交态的无条件安全量子密钥分发协议(如Goldenberg-Vaidman和N09)。然而，直到最近，基于正交态的协议还只是一个理论概念，仅限于量子密钥分发。直到最近，基于正交态的量子密钥分发协议才被实验实现，并扩展到量子密钥分发之外的密码任务。本文旨在对本课题组和其他研究人员最近提出的基于正交态的安全量子通信协议进行简要的综述。
In majority of protocols of secure quantum communication (such as, BB84, B92, etc.), the unconditional security of the protocols are obtained by using conjugate coding (two or more mutually unbiased bases (MUBs)). Initially, all the conjugate-coding-based protocols of secure quantum communication were restricted to quantum key distribution (QKD), but later on they were extended to other cryptographic tasks (such as, secure direct quantum communication and quantum key agreement). In contrast to the conjugate-coding-based protocols, a few completely orthogonal-state-based protocols of unconditionally secure QKD (such as, Goldenberg–Vaidman and N09) were also proposed. However, till the recent past, orthogonal-state-based protocols were only a theoretical concept and were limited to QKD. Only recently, orthogonal-state-based protocols of QKD are experimentally realized and extended to cryptographic tasks beyond QKD. This paper aims to briefly review the orthogonal-state-based protocols of secure quantum communication that are recently introduced by our group and other researchers.