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Quantum Error Correction for Metrology

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 16 Apr 2014Embargo end date: 01 Jan 2013 English Publisher:American Physical Society (APS)Journal:Physical Review Letters, volume 112 (issn: 0031-9007, eissn: 1079-7114, Copyright policy )
Authors: Kessler, Eric; Lovchinsky, Igor; Sushkov, Alexander; Lukin, Mikhail;

doi: 10.1103/physrevlett.112.150802 , 10.48550/arxiv.1310.3260

pmid: 24785020

arXiv: http://arxiv.org/abs/1310.3260

Quantum Error Correction for Metrology

Abstract

We propose and analyze a new approach based on quantum error correction (QEC) to improve quantum metrology in the presence of noise. We identify the conditions under which QEC allows one to improve the signal-to-noise ratio in quantum-limited measurements, and we demonstrate that it enables, in certain situations, Heisenberg-limited sensitivity. We discuss specific applications to nanoscale sensing using nitrogen-vacancy centers in diamond in which QEC can significantly improve the measurement sensitivity and bandwidth under realistic experimental conditions.

Revised manuscript; 8 pages, 2 figures

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Keywords

Quantum Physics, FOS: Physical sciences, Quantum Physics (quant-ph), 530

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
203
Top 1%
Top 10%
Top 1%
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bronze
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