Two-way photonic interface for linking the Sr+ transition at 422 nm to the telecommunication C band
Two-way photonic interface for linking the Sr+ transition at 422 nm to the telecommunication C band
We report a single-stage bidirectional interface capable of linking Sr+ trapped-ion qubits in a long-distance quantum network. Our interface converts photons between the Sr+ emission wavelength at 422 nm and the telecom C band to enable low-loss transmission over optical fiber. We have achieved both up- and down-conversion at the single-photon level with efficiencies of 9.4% and 1.1%, respectively. Furthermore, we demonstrate noise levels that are low enough to allow for genuine quantum operation in the future.
1-8
Wright, Thomas A.
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Francis-Jones, Robert J.A.
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Gawith, Corin B.E.
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Becker, Jonas N.
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Ledingham, Patrick M.
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Smith, Peter G.R.
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Nunn, Joshua
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Mosley, Peter J.
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Brecht, Benjamin
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Walmsley, Ian A.
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4 October 2018
Wright, Thomas A.
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Francis-Jones, Robert J.A.
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Gawith, Corin B.E.
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Becker, Jonas N.
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Ledingham, Patrick M.
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Smith, Peter G.R.
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Nunn, Joshua
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Mosley, Peter J.
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Brecht, Benjamin
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Walmsley, Ian A.
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Wright, Thomas A., Francis-Jones, Robert J.A., Gawith, Corin B.E., Becker, Jonas N., Ledingham, Patrick M., Smith, Peter G.R., Nunn, Joshua, Mosley, Peter J., Brecht, Benjamin and Walmsley, Ian A.
(2018)
Two-way photonic interface for linking the Sr+ transition at 422 nm to the telecommunication C band.
Physical Review Applied, 10 (4), , [044012].
(doi:10.1103/PhysRevApplied.10.044012).
Abstract
We report a single-stage bidirectional interface capable of linking Sr+ trapped-ion qubits in a long-distance quantum network. Our interface converts photons between the Sr+ emission wavelength at 422 nm and the telecom C band to enable low-loss transmission over optical fiber. We have achieved both up- and down-conversion at the single-photon level with efficiencies of 9.4% and 1.1%, respectively. Furthermore, we demonstrate noise levels that are low enough to allow for genuine quantum operation in the future.
Text
PhysRevApplied.10.044012
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Accepted/In Press date: 16 August 2018
e-pub ahead of print date: 4 October 2018
Published date: 4 October 2018
Identifiers
Local EPrints ID: 425544
URI: http://eprints.soton.ac.uk/id/eprint/425544
PURE UUID: 66ea6272-6638-4613-9a18-099031871072
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Date deposited: 24 Oct 2018 16:30
Last modified: 06 Jun 2024 02:08
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Contributors
Author:
Thomas A. Wright
Author:
Robert J.A. Francis-Jones
Author:
Corin B.E. Gawith
Author:
Jonas N. Becker
Author:
Peter G.R. Smith
Author:
Joshua Nunn
Author:
Peter J. Mosley
Author:
Benjamin Brecht
Author:
Ian A. Walmsley
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