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Book Sections Year : 2018

Quantum optical memory protocols in atomic ensembles

Thierry Chanelière
Nicolas Sangouard


We review a series of quantum memory protocols designed to store the quantum information carried by light into atomic ensembles. In particular, we show how a simple semiclassical formalism allows to gain insight into various memory protocols and to highlight strong analogies between them. These analogies naturally lead to a classification of light storage protocols into two categories, namely photon echo and slow-light memories. We focus on the storage and retrieval dynamics as a key step to map the optical information into the atomic excitation. We finally review various criteria adapted for both continuous variables and photon-counting measurement techniques to certify the quantum nature of these memory protocols.


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hal-01963825 , version 1 (21-12-2018)



Thierry Chanelière, Gabriel Hétet, Nicolas Sangouard. Quantum optical memory protocols in atomic ensembles. Advances In Atomic, Molecular, and Optical Physics, pp.77-150, 2018, ⟨10.1016/bs.aamop.2018.02.002⟩. ⟨hal-01963825⟩
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