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Quantum Study of Information Delay in Electromagnetically Induced Transparency

Hsu, Magnus; Hetet, Gabriel; Gloeckl, Oliver; Longdell, Jevon; Buchler, Benjamin; Bachor, Hans; Lam, Ping Koy


Using electromagnetically induced transparency (EIT), it is possible to delay and store light in atomic ensembles. Theoretical modeling and recent experiments have suggested that the EIT storage mechanism can be used as a memory for quantum information. We present experiments that quantify the noise performance of an EIT system for conjugate amplitude and phase quadratures. It is shown that our EIT system adds excess noise to the delayed light that has not hitherto been predicted by published...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
Source: Physical Review Letters
DOI: 10.1103/PhysRevLett.97.183601


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