Author(s): C. Tresp, C. Zimmer, I. Mirgorodskiy, H. Gorniaczyk, A. Paris-Mandoki, and S. Hofferberth
A single photon absorber is realized using an ensemble of ultracold atoms. The absorption of one atom by the ensemble induces a long-lived excitation that makes the ensemble transparent to the next 35 incident photons.
[Phys. Rev. Lett. 117, 223001] Published Mon Nov 21, 2016