Generating non-Gaussian states using collisions between Rydberg polaritons

Details Generating non-Gaussian states using collisions between Rydberg polaritons Generating non-Gaussian states using collisions between Rydberg polaritons

2012-03-30

arxiv.org/abs/1203.6764v1

Physics

Quantum Physics

5 pages, 3 figures

Scientific paper

We investigate theoretically the deterministic generation of quantum states with negative Wigner functions, by using giant non-linearities due to collisional interactions between Rydberg polaritons. The state resulting from the polariton interactions may be transferred with high fidelity into a photonic state, which can be analyzed using homodyne detection followed by quantum tomography. Besides generating highly non-classical states of the light, this method can also provide a very sensitive probe for the physics of the collisions involving Rydberg states.

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