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arXiv · 1804.00121

Fast-Responding Property of Electromagnetically Induced Transparency in Rydberg Atoms

Qi Zhang·Zhengyang Bai·Guoxiang Huang
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Abstract

We investigate the transient optical response property of an electromagnetically induced transparency (EIT) in a cold Rydberg atomic gas. We show that both the transient behavior and the steady-state EIT spectrum of the system depend strongly on Rydberg interaction. Especially, the response speed of the Rydberg-EIT can be five-times faster (and even higher) than the conventional EIT without the Rydberg interaction. For comparison, two different theoretical approaches (i.e. two-atom model and many-atom model) are considered, revealing that Rydberg blockade effect plays a significant role for increasing the response speed of the Rydberg-EIT. The fast-responding Rydberg-EIT by using the strong, tunable Rydberg interaction uncovered here is not only helpful for enhancing the understanding of the many-body dynamics of Rydberg atoms but also useful for practical applications in quantum information processing by using Rydberg atoms.

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Qi Zhang, Zhengyang Bai, Guoxiang Huang. 2018-03-31. Fast-Responding Property of Electromagnetically Induced Transparency in Rydberg Atoms. https://doi.org/10.1103/physreva.97.043821

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