Quantum delayed-choice experiment with a single neutral atom

被引：6

作者：

Li, Gang ^{[1
,2
,3
]}

Zhang, Pengfei ^{[1
,2
,3
]}

Zhang, Tiancai ^{[1
,2
,3
]}

机构：

[1] Shanxi Univ, State Key Lab Quantum Opt & Quantum Opt Devices, Taiyuan 030006, Shanxi, Peoples R China

[2] Shanxi Univ, Inst Optoelect, Taiyuan 030006, Shanxi, Peoples R China

[3] Shanxi Univ, Collaborat Innovat Ctr Extreme Opt, Taiyuan 030006, Shanxi, Peoples R China

来源：

OPTICS LETTERS | 2017年 / 42卷 / 19期

基金：

中国国家自然科学基金;

关键词：

GEDANKEN EXPERIMENT; RYDBERG BLOCKADE; ENTANGLEMENT; REALIZATION; INTERFEROMETRY; INFORMATION;

D O I：

10.1364/OL.42.003800

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present a proposal to implement a quantum delayedchoice (QDC) experiment with a single neutral atom, such as a rubidium or cesium atom. In our proposal, a Ramsey interferometer is adopted to observe the wave-like or particle-like behaviors of a single atom depending on the existence or absence of the second p/2-rotation. A quantumcontrolled p/2-rotation on target atom is realized through a Rydberg-Rydberg interaction by another ancilla atom. It shows that a heavy neutral atom can also have a morphing behavior between the particle and the wave. The realization of the QDC experiment with such heavy neutral atoms not only is significant to understand the Bohr's complementarity principle in matter-wave and matter-particle domains but also has great potential on the quantum information process with neutral atoms. (C) 2017 Optical Society of America

引用

页码：3800 / 3803

页数：4

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