针对被分开在异地的两个纠缠量子比特,本文研究了如何远距离区分纠缠量子比特的四个贝尔态。在区分过程中,利用量子芝诺效应和无相......

The quantum properties of quantum measurements are indispensable resources in quantum information processing and have dr......

具有不可预测性的随机数是保证保密通信的关键因素。通过输入单比特量子态，基于量子行走的演化，制备了多路径相干叠加态，并通过一次量......

Qutrit is the natural extension of qubit in quantum information processing and has quite a few advantages that outperfor......