29 April 2016 Free-space single-photon transistor based on Rydberg interaction
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Abstract
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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Asaf Paris-Mandoki, Asaf Paris-Mandoki, Hannes Gorniaczyk, Hannes Gorniaczyk, Christoph Tresp, Christoph Tresp, Ivan Mirgorodskiy, Ivan Mirgorodskiy, Christian Zimmer, Christian Zimmer, Sebastian Hofferberth, Sebastian Hofferberth, } "Free-space single-photon transistor based on Rydberg interaction", Proc. SPIE 9900, Quantum Optics, 99000U (29 April 2016); doi: 10.1117/12.2227393; https://doi.org/10.1117/12.2227393
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