Fundamental limits of quantum-secure covert optical sensing

Boulat A. Bash; Christos N. Gagatsos; Animesh Datta; Saikat Guha

doi:10.1109/ISIT.2017.8007122

Fundamental limits of quantum-secure covert optical sensing

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

We present a square root law for active sensing of phase θ of a single pixel using optical probes that pass through a single-mode lossy thermal-noise bosonic channel. Specifically, we show that, when the sensor uses an n-mode covert optical probe, the mean squared error (MSE) of the resulting estimator θ_n scales as 〈(θ-θ_n)²〉 = O(1/√n) improving the scaling necessarily leads to detection by the adversary with high probability. We fully characterize this limit and show that it is achievable using laser light illumination and a heterodyne receiver, even when the adversary captures every photon that does not return to the sensor and performs arbitrarily complex measurement as permitted by the laws of quantum mechanics.

Original language	English (US)
Title of host publication	2017 IEEE International Symposium on Information Theory, ISIT 2017
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	3210-3214
Number of pages	5
ISBN (Electronic)	9781509040964
DOIs	https://doi.org/10.1109/ISIT.2017.8007122
State	Published - Aug 9 2017
Externally published	Yes
Event	2017 IEEE International Symposium on Information Theory, ISIT 2017 - Aachen, Germany Duration: Jun 25 2017 → Jun 30 2017

Publication series

Name	IEEE International Symposium on Information Theory - Proceedings
ISSN (Print)	2157-8095

Other

Other	2017 IEEE International Symposium on Information Theory, ISIT 2017
Country/Territory	Germany
City	Aachen
Period	6/25/17 → 6/30/17

ASJC Scopus subject areas

Theoretical Computer Science
Information Systems
Modeling and Simulation
Applied Mathematics

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10.1109/ISIT.2017.8007122

Cite this

Bash, B. A., Gagatsos, C. N., Datta, A., & Guha, S. (2017). Fundamental limits of quantum-secure covert optical sensing. In 2017 IEEE International Symposium on Information Theory, ISIT 2017 (pp. 3210-3214). Article 8007122 (IEEE International Symposium on Information Theory - Proceedings). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ISIT.2017.8007122

Fundamental limits of quantum-secure covert optical sensing. / Bash, Boulat A.; Gagatsos, Christos N.; Datta, Animesh et al.
2017 IEEE International Symposium on Information Theory, ISIT 2017. Institute of Electrical and Electronics Engineers Inc., 2017. p. 3210-3214 8007122 (IEEE International Symposium on Information Theory - Proceedings).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Bash, BA , Gagatsos, CN, Datta, A & Guha, S 2017, Fundamental limits of quantum-secure covert optical sensing. in 2017 IEEE International Symposium on Information Theory, ISIT 2017., 8007122, IEEE International Symposium on Information Theory - Proceedings, Institute of Electrical and Electronics Engineers Inc., pp. 3210-3214, 2017 IEEE International Symposium on Information Theory, ISIT 2017, Aachen, Germany, 6/25/17. https://doi.org/10.1109/ISIT.2017.8007122

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Fundamental limits of quantum-secure covert optical sensing

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