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https://hdl.handle.net/2440/104865
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dc.contributor.author | Higginbottom, D. | - |
dc.contributor.author | Geng, J. | - |
dc.contributor.author | Campbell, G. | - |
dc.contributor.author | Hosseini, M. | - |
dc.contributor.author | Cao, M. | - |
dc.contributor.author | Sparkes, B. | - |
dc.contributor.author | Bernu, J. | - |
dc.contributor.author | Robins, N. | - |
dc.contributor.author | Lam, P. | - |
dc.contributor.author | Buchler, B. | - |
dc.date.issued | 2015 | - |
dc.identifier.citation | Optics Express, 2015; 23(19):24937-24944 | - |
dc.identifier.issn | 1094-4087 | - |
dc.identifier.issn | 1094-4087 | - |
dc.identifier.uri | http://hdl.handle.net/2440/104865 | - |
dc.description.abstract | We 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.statementofresponsibility | D. 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.iso | en | - |
dc.publisher | The Optical Society | - |
dc.rights | © 2015 Optical Society of America | - |
dc.source.uri | http://dx.doi.org/10.1364/oe.23.024937 | - |
dc.title | Dual-rail optical gradient echo memory | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1364/OE.23.024937 | - |
dc.relation.grant | http://purl.org/au-research/grants/arc/CE1101027 | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | Sparkes, B. [0000-0002-9370-2006] | - |
Appears in Collections: | Aurora harvest 3 Physics publications |
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