Conditional quantum logic using two atomic qubits
Conditional quantum logic using two atomic qubits
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DOI：
10.1103/physreva.66.062306
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发表时间：
2002-06
影响因子：
2.9
通讯作者：
I. Protsenko;G. Reymond;Nicolas Schlosser;P. Grangier
中科院分区：
文献类型：
--
作者：
I. Protsenko;G. Reymond;Nicolas Schlosser;P. Grangier
在本文中，我们提出并分析了一个可行的方案，其中检测单个散射光子从两个被困的原子或离子执行条件幺正操作的两个量子比特。作为例子，我们考虑准备所有四个贝尔的状态，反向操作，这是一个贝尔的测量，和一个受控的非（CNOT）门。我们研究了原子运动和多重散射的影响，通过评估贝尔不等式违反和计算CNOT门保真度。
In this paper we propose and analyze a feasible scheme where the detection of a single scattered photon from two trapped atoms or ions performs a conditional unitary operation on two qubits. As examples we consider the preparation of all four Bell's states, the reverse operation that is a Bell's measurement, and a controlled-NOT (CNOT) gate. We study the effect of atomic motion and multiple scattering by evaluating Bell's inequalities violations and by calculating the CNOT gate fidelity.