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Theory of noise suppression in Λ-type quantum memories by means of a cavity

Abstract:

Quantum memories, capable of storing single photons or other quantum states of light, to be retrieved on demand, offer a route to large-scale quantum information processing with light. A promising class of memories is based on far-off-resonant Raman absorption in ensembles of Λ-type atoms. However, at room temperature these systems exhibit unwanted four-wave mixing, which is prohibitive for applications at the single-photon level. Here, we show how this noise can be suppressed by placing the ...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted Manuscript

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Publisher copy:
10.1103/PhysRevA.96.012338

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics; Atomic & Laser Physics
Role:
Author
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Institution:
University of Oxford
Division:
MPLS
Department:
Physics; Atomic & Laser Physics
Role:
Author
ORCID:
0000-0002-3431-3836
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics; Atomic & Laser Physics
Role:
Author
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Funding agency for:
Nunn, JAS
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Funding agency for:
Saunders, DJ
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Funding agency for:
Saunders, DJ
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Funding agency for:
Walmsley, IA
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Publisher:
American Physical Society Publisher's website
Journal:
Physical Review A Journal website
Volume:
96
Chapter number:
012338
Publication date:
2018-07-31
Acceptance date:
2018-06-13
DOI:
EISSN:
2469-9934
ISSN:
2469-9926
Pubs id:
pubs:720245
URN:
uri:beb483c1-e42d-47a1-9426-f1a8a6ad1f26
UUID:
uuid:beb483c1-e42d-47a1-9426-f1a8a6ad1f26
Local pid:
pubs:720245
Keywords:

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