Journal article
How discord underlies the noise resilience of quantum illumination
- Abstract:
- The benefits of entanglement can outlast entanglement itself. In quantum illumination, entanglement is employed to better detect reflecting objects in environments so noisy that all entanglement is destroyed. Here, we show that quantum discord—a more resilient form of quantum correlations—explains the resilience of quantum illumination. We introduce a quantitative relation between the performance gain in quantum illumination and the amount of discord used to encode information about the presence or absence of a reflecting object. This highlights discords role preserving the benefits of entanglement in entanglement breaking noise.
- Publication status:
- Published
- Peer review status:
- Peer reviewed
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(Preview, Version of record, pdf, 1.5MB, Terms of use)
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- Publisher copy:
- 10.1088/1367-2630/18/4/043027
Authors
- Publisher:
- IOP Publishing
- Journal:
- New Journal of Physics More from this journal
- Volume:
- 18
- Issue:
- 4
- Pages:
- ARTN 043027
- Publication date:
- 2016-04-18
- Acceptance date:
- 2016-01-18
- DOI:
- EISSN:
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1367-2630
- ISSN:
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1367-2630
- Keywords:
- Pubs id:
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pubs:620648
- UUID:
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uuid:7435ed45-707b-44a7-a28e-1f9b25cd70f3
- Local pid:
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pubs:620648
- Source identifiers:
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620648
- Deposit date:
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2019-10-21
- ARK identifier:
Terms of use
- Copyright holder:
- IOP Publishing Ltd
- Copyright date:
- 2016
- Notes:
- © 2016 IOP Publishing Ltd and Deutsche Physikalische Gesellschaft. Original content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
- Licence:
- CC Attribution (CC BY)
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