Temporal-mode selection with a Raman quantum memory
Temporal-mode selection with a Raman quantum memory
Temporal modes (TMs) of pulsed single-photon states have been identified as appealing basis states for quantum information science. Recent work has seen progress towards TM-selective operations based on nonlinear optics. Here, we demonstrate for the first time a linear TM-selective device, namely a Raman quantum memory in warm atomic Caesium vapour. We achieve switching fidelities of 86.5% when operating the memory with ns-duration pulses. These results pave the way towards new quantum information applications, where TM-selection, TM-reshaping, and network synchronisation are achieved with one single device.
Munns, J. H.D.
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Thomas, S. E.
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Kaczmarek, K. T.
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Ledingham, P. M.
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Saunders, D. J.
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Nunn, J.
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Brecht, B.
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Walmsley, I. A.
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2017
Munns, J. H.D.
a377f213-2da3-463c-924b-32122eb68c4c
Thomas, S. E.
c8cbf505-dbe4-46cb-9c89-8d8ddc52561a
Kaczmarek, K. T.
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Ledingham, P. M.
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Saunders, D. J.
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Nunn, J.
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Brecht, B.
cd5bde09-42fc-4370-874f-e306d05505ca
Walmsley, I. A.
a9b02ef9-f5d9-473f-ac01-bbbe06d28170
Munns, J. H.D., Thomas, S. E., Kaczmarek, K. T., Ledingham, P. M., Saunders, D. J., Nunn, J., Brecht, B. and Walmsley, I. A.
(2017)
Temporal-mode selection with a Raman quantum memory.
In Frontiers in Optics, FiO 2017.
vol. Part F66-FiO 20,
OSA..
(doi:10.1364/FIO.2017.JW4A.16).
Record type:
Conference or Workshop Item
(Paper)
Abstract
Temporal modes (TMs) of pulsed single-photon states have been identified as appealing basis states for quantum information science. Recent work has seen progress towards TM-selective operations based on nonlinear optics. Here, we demonstrate for the first time a linear TM-selective device, namely a Raman quantum memory in warm atomic Caesium vapour. We achieve switching fidelities of 86.5% when operating the memory with ns-duration pulses. These results pave the way towards new quantum information applications, where TM-selection, TM-reshaping, and network synchronisation are achieved with one single device.
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Published date: 2017
Venue - Dates:
Frontiers in Optics, FiO 2017, , Washington, United States, 2017-09-18 - 2017-09-21
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Local EPrints ID: 455429
URI: http://eprints.soton.ac.uk/id/eprint/455429
PURE UUID: 7592baf7-d4a0-4c6d-87c0-86eb8c4662b6
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Date deposited: 21 Mar 2022 17:54
Last modified: 17 Mar 2024 04:03
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Author:
J. H.D. Munns
Author:
S. E. Thomas
Author:
K. T. Kaczmarek
Author:
D. J. Saunders
Author:
J. Nunn
Author:
B. Brecht
Author:
I. A. Walmsley
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