Ultimate accuracy limit of quantum pulse-compression ranging

Quntao Zhuang; Jeffrey H. Shapiro

doi:10.1364/QIM.2021.M2A.7

Quantum Information and Measurement VI 2021
Technical Digest Series (Optica Publishing Group, 2021),
paper M2A.7
•https://doi.org/10.1364/QIM.2021.M2A.7

Ultimate accuracy limit of quantum pulse-compression ranging

Quntao Zhuang and Jeffrey H. Shapiro

Quantum Information and Measurement 2021

Washington, DC United States
1–5 November 2021
ISBN: 978-1-957171-01-2

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Entanglement-enabled Quantum Technologies I (M2A)

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Q. Zhuang and J. H. Shapiro, "Ultimate accuracy limit of quantum pulse-compression ranging," in Quantum Information and Measurement VI 2021, F. Sciarrino, N. Treps, M. Giustina, and C. Silberhorn, eds., Technical Digest Series (Optica Publishing Group, 2021), paper M2A.7.

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Abstract

We establish microwave-radar ranging's ultimate quantum limit, and show that quantum illumination (QI) ranging achieves this limit. Moreover, QI's ranging accuracy can be 10's of dB better than that of its best classical competitor.

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