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Chinese Physics Letters

Optical Generation of Single- or Two-Mode Excited Entangled Coherent States

任振忠, 景辉, 张现周

Published Jan 1, 2008• 0 citations
OpenAlex

Abstract

与非线性的 Mach-Zehnder 干涉仪(NLMZI ) 和一种类型 -- 我贝它钡硼酸盐(BBO ) 水晶，我们光学地产生单个模式的激动的纠缠的协调状态。这个计划能容易被概括产生二模式的激动的纠缠的协调状态。我们简单地在纠缠的协调状态上分析单个模式、二模式的光子刺激的不同影响。[从作者抽象]

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Chinese Physics Letters•Jan 1, 2008•0 citations
与非线性的 Mach-Zehnder 干涉仪(NLMZI ) 和一种类型 -- 我贝它钡硼酸盐(BBO ) 水晶，我们光学地产生单个模式的激动的纠缠的协调状态。这个计划能容易被概括产生二模式的激动的纠缠的协调状态。我们简单地在纠缠的协调状态上分析单个模式、二模式的光子刺激的不同影响。[从作者抽象]
In this paper, we propose an optical scheme to generate four-mode W -type entangled coherent states (ECSs) in free travelling optical fields by using a single-photon source, coherent state sources, beam splitters, photodetectors and cross-Kerr media. Our scheme consists of a symmetric optical setup in which there are two Mach–Zehnder interferometers in which each arm contains a cross-Kerr medium. We calculate the average fidelity of generated W -type ECSs, the success probability of producing four-mode W -type ECSs and the average fidelity of the generated four-mode W -type ECSs. It is indicated that our protocol is nearly deterministic.