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Raman quantum memory with built-in suppression of four-wave-mixing noise

Abstract:

Quantum memories are essential for large-scale quantum information networks. Along with high efficiency, storage lifetime, and optical bandwidth, it is critical that the memory adds negligible noise to the recalled signal. A common source of noise in optical quantum memories is spontaneous four-wave mixing. We develop and implement a technically simple scheme to suppress this noise mechanism by means of quantum interference. Using this scheme with a Raman memory in warm atomic vapor, we demon...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1103/PhysRevA.100.033801

Authors


Thomas, SE More by this author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Oxford college:
St Catherine's College
Role:
Depositor, Author
Saunders, D More by this author
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Publisher:
American Physical Society Publisher's website
Journal:
Physical Review A Journal website
Volume:
100
Issue:
3
Article number:
033801
Publication date:
2019-09-03
Acceptance date:
2019-08-13
DOI:
EISSN:
1094-1622
ISSN:
1050-2947
Pubs id:
pubs:1049125
UUID:
uuid:f6c8a4b6-7d79-4e10-a7da-8164cef42fe7
Source identifiers:
1049125
Local pid:
pubs:1049125
Language:
English
Keywords:

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