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Title: Optimal probes for continuous variable quantum illumination
Authors: Bradshaw, Mark
Conlon, Lorcan O.
Tserkis, Spyros
Gu, Mile
Lam, Ping Koy
Assad, Syed M.
Keywords: Science::Physics
Issue Date: 2021
Source: Bradshaw, M., Conlon, L. O., Tserkis, S., Gu, M., Lam, P. K. & Assad, S. M. (2021). Optimal probes for continuous variable quantum illumination. Physical Review A, 103(6), 062413-1-062413-7.
Project: MOE2019-T1-002-015 
Journal: Physical Review A 
Abstract: Quantum illumination is the task of determining the presence of an object in a noisy environment. We determine the optimal continuous variable states for quantum illumination in the limit of zero object reflectivity. We prove that the optimal single mode state is a coherent state, while the optimal two mode state is the two-mode squeezed-vacuum state. We find that these probes are not optimal at non-zero reflectivity, but remain near optimal. This demonstrates the viability of the continuous variable platform for an experimentally accessible, near optimal quantum illumination implementation.
ISSN: 2469-9926
DOI: 10.1103/PhysRevA.103.062413
Schools: School of Physical and Mathematical Sciences 
Organisations: National University of Singapore
Research Centres: Complexity Institute 
Rights: © 2021 American Physical Society. All rights reserved. This paper was published in Physical Review A and is made available with permission of American Physical Society.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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