Entanglement-based quantum information technology: a tutorial

Z Zhang, C You, OS Magaña-Loaiza… - Advances in Optics …, 2024 - opg.optica.org
Entanglement is a quintessential quantum mechanical phenomenon with no classical
equivalent. First discussed by Einstein, Podolsky, and Rosen and formally introduced by …

Quantum illumination and quantum radar: A brief overview

A Karsa, A Fletcher, G Spedalieri… - Reports on progress in …, 2024 - iopscience.iop.org
Quantum illumination (QI) and quantum radar have emerged as potentially groundbreaking
technologies, leveraging the principles of quantum mechanics to revolutionise the field of …

Quantum illumination with a hetero-homodyne receiver and sequential detection

M Reichert, Q Zhuang, JH Shapiro, R Di Candia - Physical Review Applied, 2023 - APS
We propose a hetero-homodyne receiver for quantum illumination (QI) target detection.
Unlike prior QI receivers, it uses a cascaded positive operator-valued measurement (POVM) …

Quantum ranging with Gaussian entanglement

Q Zhuang - Physical Review Letters, 2021 - APS
It is well known that entanglement can benefit quantum information processing tasks.
Quantum illumination, when first proposed, was surprising as the entanglement's benefit …

Optimal entanglement-assisted electromagnetic sensing and communication in the presence of noise

H Shi, B Zhang, JH Shapiro, Z Zhang, Q Zhuang - Physical Review Applied, 2024 - APS
High time-bandwidth product signal and idler pulses comprised of independent identically
distributed two-mode squeezed vacuum (TMSV) states are readily produced by …

Discriminating mixed qubit states with collective measurements

LO Conlon, F Eilenberger, PK Lam… - Communications …, 2023 - nature.com
It is a central fact in quantum mechanics that non-orthogonal states cannot be distinguished
perfectly. In general, the optimal measurement for distinguishing such states is a collective …

Verifying the security of a continuous variable quantum communication protocol via quantum metrology

LO Conlon, B Shajilal, A Walsh, J Zhao… - npj Quantum …, 2024 - nature.com
Quantum mechanics offers the possibility of unconditionally secure communication between
multiple remote parties. Security proofs for such protocols typically rely on bounding the …

Microwave quantum illumination with correlation-to-displacement conversion

J Angeletti, H Shi, T Lakshmanan, D Vitali… - Physical Review Applied, 2023 - APS
Entanglement is vulnerable to degradation in a noisy sensing scenario, but surprisingly, the
quantum illumination protocol has demonstrated that its advantage can survive. However …

Bound for Gaussian-state quantum illumination using a direct photon measurement

SY Lee, D Hwan Kim, Y Jo, T Jeong, Z Kim, DY Kim - Optics Express, 2023 - opg.optica.org
It is important to find feasible measurement bounds for quantum information protocols. We
present analytic bounds for quantum illumination with Gaussian states when using an on-off …

Quantum limits of covert target detection

GY Tham, R Nair, M Gu - Physical Review Letters, 2024 - APS
In covert target detection, Alice attempts to send optical or microwave probes to determine
the presence or absence of a weakly reflecting target embedded in thermal background …