Non-linear optics using cold Rydberg atoms
J. D. Pritchard, K. J. Weatherill, C. S. Adams
TL;DR
This paper reviews how cold Rydberg atoms enable strong non-linear optical effects through electromagnetically induced transparency, advancing quantum information processing capabilities.
Contribution
It summarizes the principles and recent experimental progress in achieving large single-photon non-linearities with cold Rydberg gases.
Findings
Large single-photon non-linearities demonstrated
Progress towards deterministic quantum gates
Enhanced photon-photon interactions achieved
Abstract
The implementation of electromagnetically induced transparency (EIT) in a cold Rydberg gas provides an attractive route towards strong photon--photon interactions and fully deterministic all-optical quantum information processing. In this brief review we discuss the underlying principles of how large single photon non-linearities are achieved in this system and describe experimental progress to date.
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