Preparation of Steady 3D Dark State Entanglement in Dissipative Rydberg Atoms via Electromagnetic Induced Transparency,Annalen Der Physik

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Preparation of Steady 3D Dark State Entanglement in Dissipative Rydberg Atoms via Electromagnetic Induced Transparency
Annalen Der Physik ( IF 2.2 ) Pub Date : 2020-05-10 , DOI: 10.1002/andp.202000059
Xiao‐Yu Zhu _{1,

2} , Zhao Jin ₃ , Erjun Liang ₁ , Shou Zhang ₄ , Shi‐Lei Su ₁

Affiliation

A scheme to prepare a 3D entangled state between a pair of Rydberg atoms via dissipative dynamics and electromagnetic induced transparency associated with the single‐atom dark state is proposed. The prepared entangled state is the dark state of the whole system. The scheme is also feasible regardless of initial purity or mixed state. Since the proposed scheme is based on the Rydberg block regime, the Rydberg–Rydberg interaction strength does not need to satisfy a certain relation with laser detuning, which is very different to the Rydberg‐antiblock‐based dissipative schemes. One group of Rydberg states and corresponding parameters to simulate the fidelity are used, which verify the feasibility of the scheme.

中文翻译：

通过电磁感应透明性制备耗散里德堡原子中的稳态3D暗态纠缠

提出了一种通过耗散动力学和电磁诱导的与单原子暗态相关的透明性在一对里德堡原子之间制备3D纠缠态的方案。准备好的纠缠态是整个系统的暗态。不管初始纯度或混合状态，该方案也是可行的。由于所提出的方案是基于Rydberg阻滞机制的，因此Rydberg-Rydberg的相互作用强度不需要满足与激光失谐的某种关系，这与基于Rydberg-antiblock的耗散方案非常不同。使用一组Rydberg状态和相应的参数来模拟保真度，验证了该方案的可行性。

更新日期：2020-05-10

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