基于里德伯相互作用的自由空间单光子晶体管

SPIE Photonics Europe Pub Date : 2016-04-29 DOI:10.1117/12.2227393

A. Paris-Mandoki, H. Gorniaczyk, C. Tresp, I. Mirgorodskiy, C. Zimmer, S. Hofferberth

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引用次数: 1

摘要

利用超冷原子云作为介质，实现了单光子水平的全光晶体管。门光子和源光子之间的相互作用机制是通过将这些光子映射到强相互作用的里德伯激发上来实现的。使用单个门光子可以切换100多个源光子。作为该晶体管的一个应用，我们演示了对单个里德伯原子的无损检测，保真度为0.79。

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Free-space single-photon transistor based on Rydberg interaction

An all-optical transistor working on the single-photon level is implemented using an ultracold atomic cloud as a medium. The interaction mechanism between gate and source photons is achieved by mapping these photons onto strongly interacting Rydberg excitations. Using a single gate photon more than 100 source photons can be switched. As an application of this transistor, we demonstrate nondestructive detection of a single Rydberg atom with a ﬁdelity of 0.79.

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SPIE Photonics Europe

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