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High-performance Raman memory with spatio-temporal reversal

Vernaz-Gris, Pierre; Tranter, Aaron; Everett, Jesse; Leung, Anthony; Paul, Karun; Campbell, Geoff; Lam, Ping Koy; Buchler, Ben


A number of techniques exist to use an ensemble of atoms as a quantum memory for light. Many of these propose to use backward retrieval as a way to improve the storage and recall efficiency. We report on a demonstration of an off-resonant Raman memory that uses backward retrieval to achieve an efficiency of 65 ± 6% at a storage time of one pulse duration. The memory has a characteristic decay time of 60 μs, corresponding to a delay-bandwidth product of 160.

CollectionsANU Research Publications
Date published: 2018-05-01
Type: Journal article
Source: Optics Express
DOI: 10.1364/OE.26.012424
Access Rights: Open Access


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