Heralded quantum gates for atomic systems assisted by the scattering of photons off single emitters

被引：6

作者：

Song, Guo-Zhu ^{[1
]}

Liu, Qian ^{[1
]}

Qiu, Jing ^{[1
]}

Yang, Guo-Jian ^{[1
]}

Alzahrani, Fads ^{[2
]}

Hobiny, Aatef ^{[2
]}

Deng, Fu-Guo ^{[1
,2
]}

Zhang, Mei ^{[1
]}

机构：

[1] Beijing Normal Univ, Dept Phys, Appl Opt Beijing Area Major Lab, Beijing 100875, Peoples R China

[2] King Abdulaziz Univ, Fac Sci, Dept Math, NAAM Res Grp, POB 80203, Jeddah 21589, Saudi Arabia

来源：

ANNALS OF PHYSICS | 2017年 / 387卷

基金：

中国国家自然科学基金;

关键词：

Heralded quantum gates; One-dimensional waveguides; Atom-waveguide systems; Scattering property; EXPERIMENTAL REALIZATION; SPIN; ENTANGLEMENT; ALGORITHMS; TRANSPORT; QUBITS; DOTS;

D O I：

10.1016/j.aop.2017.10.005

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Quantum logic gates are essential in quantum information processing. Here, we propose three heralded schemes for universal quantum gates, including the controlled-NOT, Toffoli, and Fredkin gates on atomic systems, assisted by the scattering of photons off single emitters in one-dimensional waveguides. Interestingly, our schemes can turn faulty scattering processes of photons off atoms into the detection of the photon polarization. Furthermore, auxiliary atomic qubits are not needed and only one photon medium is adopted. With current technology, we discuss the feasibility of these universal quantum gates, concluding that they are feasible and scalable in solid-state quantum systems. We provide a different method for realizing universal quantum gates, and it may be useful in quantum information processing in the future. (C) 2017 Elsevier Inc. All rights reserved.

引用

页码：152 / 165

页数：14

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