Continuous variable quantum key distribution (CV-QKD) protocol has drawn much attention
due to its compatibility with existing optical communication systems. In this paper, we …

The quantum communication process usually consists of three stages: the sender who
prepares encoded carriers, the transmission in noisy channels, and the quantum receivers …

In this paper, the performance of optimally displaced threshold detection (ODTD) for
discriminating ternary coherent signals is theoretically investigated. We first establish the …

摘要量子增强接收技术具有比传统的相干探测技术更高的测量性能极限, 在相干光通信领域能够
为非正交量子态的识别提供更低的误符号率, 提升相干光通信系统的性能. 然而, 目前QPSK …

In the noisy intermediate-scale quantum technological setting, the computational steps in a
quantum computer are realized via unitary gates. Gate-model quantum computer …

A scalable model for a distributed quantum computation is a challenging problem due to the
complexity of the problem space provided by the diversity of possible quantum systems, from …

摘要提出了一种基于K 近邻算法的相位编码连续变量量子密钥分发量子态识别方法.
算法利用接收量子态的相位特征实现识别, 首先由已知相干态构成的训练集进行学习 …

The generalized Kennedy receiver can be used to improve the secret key rate of continuous
variable quantum key distribution protocol and thus attracts much attention recently. In this …

From the perspective of the Internet of Things, market competition is becoming increasingly
fierce, and Internet of Things technology can provide more possibilities for clothing brands' …

In near-term quantum computers, the computations are realized via unitary operators. The
optimization problem fed into the quantum computer sets an objective function that is to be …