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Q: Fachverband Quantenoptik und Photonik

Q 24: Ultracold plasmas and Rydberg systems II (with A)

Q 24.7: Talk

Tuesday, March 1, 2016, 16:00–16:15, f303

Decoherence dynamics in a single photon switch — •Callum Murray¹, Alexey Gorshkov², and Thomas Pohl¹ — ¹Max Planck Institute for the Physics of Complex Systems, Dresden, Germany — ²University of Maryland, Maryland, USA

In this talk, we will discuss the decoherence processes affecting the performance of a dissipative single photon switch. A device of this kind uses a single gate photon to block the transmission of many other target photons via conditional absorption, and has recently been demonstrated in a Rydberg EIT medium. However, the decoherence processes affecting the gate photon in this case are still not very well understood. In this talk, a complete characterisation of this decoherence will be presented along with the impact this has on the maximum achievable switch fidelity.