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arXiv 2010.04776quant-phphysics.atom-ph
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光钟中随机填充对里德伯修饰自旋压缩的影响

Impacts of random filling on spin squeezing via Rydberg dressing in optical clocks

Jacques Van Damme, Xin Zheng, Mark Saffman, Maxim G. Vavilov, Shimon Kolkowitz

摘要:

我们分析了随机分数填充光晶格钟中的自旋里德伯效应。我们比较了在不同的晶格几何结构,包括单位填充的镊子时钟阵列和分数填充的晶格时钟与不同的维数可实现的时钟稳定性。我们提供了实用的考虑和有用的工具,在近似的解析表达式和拟合函数的形式,以帮助在实验中实施里德伯打扮自旋压缩。我们证明了在一维、二维和三维光晶格中通过里德伯修饰的自旋压缩可以在随机分数填充存在下提供稳定性的显著改善。

英文摘要:

We analyze spin squeezing via Rydberg dressing in optical lattice clocks with random fractional filling. We compare the achievable clock stability in different lattice geometries, including unity-filled tweezer clock arrays and fractionally filled lattice clocks with varying dimensionality. We provide practical considerations and useful tools in the form of approximate analytical expressions and fitting functions to aid in the experimental implementation of Rydberg-dressed spin squeezing. We demonstrate that spin squeezing via Rydberg dressing in one-, two-, and three-dimensional optical lattices can provide significant improvements in stability in the presence of random fractional filling.

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