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Overarching framework between Gaussian quantum discord and Gaussian quantum illumination

Bradshaw, Mark; Assad, Syed M.; Haw, Jing Yan; Tan, Si-Hui; Lam, Ping Koy; Gu, Mile


We cast the problem of illuminating an object in a noisy environment into a communication protocol. A probe is sent into the environment, and the presence or absence of the object constitutes a signal encoded on the probe. The probe is then measured to decode the signal. We calculate the Holevo information and bounds to the accessible information between the encoded and received signal with two different Gaussian probes---an Einstein-Podolsky-Rosen (EPR) state and a coherent state. We...[Show more]

CollectionsANU Research Publications
Date published: 2017-02-23
Type: Journal article
Source: Physical Review A
DOI: 10.1103/PhysRevA.95.022333
Access Rights: Open Access


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