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We report on the storage of orbital angular momentum of light in a coldensemble of cesium atoms. We employ Bragg diffraction to retrieve the storedoptical information impressed into the atomic coherence by the incident lightfields. The stored information can be manipulated by an applied magnetic fieldand we were able to observe collapses and revivals due to the rotation of thestored atomic Zeeman coherence for times longer than 15 $\mu s$.

Collapses and revivals of stored orbital angular momentum of light in a cold atomic ensemble