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Quantum illumination is to discriminate the presence and absence of a low-reflectivity target using entangled states under heavy noise environment. I introduce the concept of the QI with detection error probability which judges its performance, such as quantum Chernoff bound and signal-to-noise ratio. The performance of the QI is investigated with single-photon states, coherent states, and two-mode squeezed vacuum states. Then, I present different types of the QI receivers.
Host: Prof. Changseok Noh