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Two efficient measurement device independent quantum dialogue protocols
International Journal of Quantum Information ( IF 1.2 ) Pub Date : 2020-11-17 , DOI: 10.1142/s0219749920500380
Nayana Das 1 , Goutam Paul 2
Affiliation  

Quantum dialogue is a process of two-way secure and simultaneous communication using a single channel. Recently, a Measurement Device Independent Quantum Dialogue (MDI-QD) protocol has been proposed [A. Maitra, Measurement device independent quantum dialogue,Quantum Inf. Process. 16(12) (2017) 305]. To make the protocol secure against information leakage, the authors have discarded almost half of the qubits remaining after the error estimation phase. In this paper, we propose two modified versions of the MDI-QD protocol such that the number of discarded qubits is reduced to almost one-fourth of the remaining qubits after the error estimation phase. We use almost half of their discarded qubits along with their used qubits to make our protocol more efficient in qubits count. We show that both of our protocols are secure under the same adversarial model given in MDI-QD protocol.

中文翻译:

两种高效测量设备独立的量子对话协议

量子对话是使用单个通道进行双向安全和同时通信的过程。最近,已经提出了一种与测量设备无关的量子对话(MDI-QD)协议[A. Maitra,独立于测量设备的量子对话,Quantum Inf。过程。16(12)(2017)305]。为了使协议免受信息泄露,作者丢弃了误差估计阶段后剩余的几乎一半的量子比特。在本文中,我们提出了 MDI-QD 协议的两个修改版本,使得在误差估计阶段之后丢弃的量子比特的数量减少到剩余量子比特的几乎四分之一。我们使用了他们丢弃的几乎一半的量子比特以及他们使用的量子比特,以使我们的协议在量子比特计数方面更有效。
更新日期:2020-11-17
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