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Storage and control of optical photons using Rydberg polaritons
D. Maxwell, D. J. Szwer, D. P. Barato +6
We use a microwave field to control the quantum state of optical photons stored in a cold atomic cloud. The photons are stored in highly excited collective states (Rydberg polarito…
Non-linear optics using cold Rydberg atoms
J. D. Pritchard, K. J. Weatherill, C. S. Adams
The implementation of electromagnetically induced transparency (EIT) in a cold Rydberg gas provides an attractive route towards strong photon--photon interactions and fully determi…
Correlated photon emission from multi--atom Rydberg dark states
J. D. Pritchard, C. S. Adams, K. Mølmer
We consider three level atoms driven by two resonant light fields in a ladder scheme where the upper level is a highly excited Rydberg state. We show that the dipole--dipole intera…
Cooperative atom-light interaction in a blockaded Rydberg ensemble
J. D. Pritchard, D. Maxwell, A. Gauguet +3
By coupling a probe transition to a Rydberg state using electro-magnetically induced transparency (EIT) we map the strong dipole-dipole interactions onto an optical field. We chara…
Cooperative optical non-linearity due to dipolar interactions in an ultra-cold Rydberg ensemble
J. D. Pritchard, A. Gauguet, K. J. Weatherill +2
We demonstrate a cooperative optical non-linearity caused by dipolar interactions between Rydberg atoms in an ultra-cold atomic ensemble. By coupling a probe transition to the Rydb…