Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/104865
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dc.contributor.authorHigginbottom, D.-
dc.contributor.authorGeng, J.-
dc.contributor.authorCampbell, G.-
dc.contributor.authorHosseini, M.-
dc.contributor.authorCao, M.-
dc.contributor.authorSparkes, B.-
dc.contributor.authorBernu, J.-
dc.contributor.authorRobins, N.-
dc.contributor.authorLam, P.-
dc.contributor.authorBuchler, B.-
dc.date.issued2015-
dc.identifier.citationOptics Express, 2015; 23(19):24937-24944-
dc.identifier.issn1094-4087-
dc.identifier.issn1094-4087-
dc.identifier.urihttp://hdl.handle.net/2440/104865-
dc.description.abstractWe introduce a scheme for the parallel storage of frequency separated signals in an optical memory and demonstrate that this dual-rail storage is a suitable memory for high fidelity frequency qubits. The two signals are stored simultaneously in the Zeeman-split Raman absorption lines of a cold atom ensemble using gradient echo memory techniques. Analysis of the split-Zeeman storage shows that the memory can be configured to preserve the relative amplitude and phase of the frequency separated signals. In an experimental demonstration dual-frequency pulses are recalled with 35% efficiency, 82% interference fringe visibility, and 6° phase stability. The fidelity of the frequency-qubit memory is limited by frequency-dependent polarisation rotation and ambient magnetic field fluctuations, our analysis describes how these can be addressed in an alternative configuration.-
dc.description.statementofresponsibilityD. B. Higginbottom, J. Geng, G. T. Campbell, M. Hosseini, M. T. Cao, B. M. Sparkes, J. Bernu, N. P. Robins, P. K. Lam and B. C. Buchler-
dc.language.isoen-
dc.publisherThe Optical Society-
dc.rights© 2015 Optical Society of America-
dc.source.urihttp://dx.doi.org/10.1364/oe.23.024937-
dc.titleDual-rail optical gradient echo memory-
dc.typeJournal article-
dc.identifier.doi10.1364/OE.23.024937-
dc.relation.granthttp://purl.org/au-research/grants/arc/CE1101027-
pubs.publication-statusPublished-
dc.identifier.orcidSparkes, B. [0000-0002-9370-2006]-
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