Advances in photonic quantum sensing

S Pirandola, BR Bardhan, T Gehring, C Weedbrook… - Nature …, 2018 - nature.com
Quantum sensing has become a broad field. It is generally related with the idea of using
quantum resources to boost the performance of a number of practical tasks, including the …

The quantum illumination story

JH Shapiro - IEEE Aerospace and Electronic Systems …, 2020 - ieeexplore.ieee.org
Superposition and entanglement, the quintessential characteristics of quantum physics,
have been shown to provide communication, computation, and sensing capabilities that go …

Bolometer operating at the threshold for circuit quantum electrodynamics

R Kokkoniemi, JP Girard, D Hazra, A Laitinen… - Nature, 2020 - nature.com
Radiation sensors based on the heating effect of absorbed radiation are typically simple to
operate and flexible in terms of input frequency, so they are widely used in gas detection 1 …

Broadband squeezed microwaves and amplification with a Josephson travelling-wave parametric amplifier

JY Qiu, A Grimsmo, K Peng, B Kannan, B Lienhard… - Nature Physics, 2023 - nature.com
Squeezing of the electromagnetic vacuum is an essential metrological technique used to
reduce quantum noise in applications spanning gravitational wave detection, biological …

Propagating quantum microwaves: towards applications in communication and sensing

M Casariego, EZ Cruzeiro, S Gherardini… - Quantum Science …, 2023 - iopscience.iop.org
The field of propagating quantum microwaves is a relatively new area of research that is
receiving increased attention due to its promising technological applications, both in …

Quantum estimation methods for quantum illumination

M Sanz, U Las Heras, JJ García-Ripoll, E Solano… - Physical review …, 2017 - APS
Quantum illumination consists in shining quantum light on a target region immersed in a
bright thermal bath with the aim of detecting the presence of a possible low-reflective object …

Secure quantum remote state preparation of squeezed microwave states

S Pogorzalek, KG Fedorov, M Xu… - Nature …, 2019 - nature.com
Quantum communication protocols based on nonclassical correlations can be more efficient
than known classical methods and offer intrinsic security over direct state transfer. In …

Minimum error probability of quantum illumination

G De Palma, J Borregaard - Physical Review A, 2018 - APS
Quantum illumination is a technique for detecting the presence of a target in a noisy
environment by means of a quantum probe. We prove that the two-mode squeezed vacuum …

Gaussian quantum estimation of the loss parameter in a thermal environment

R Jonsson, R Di Candia - Journal of Physics A: Mathematical and …, 2022 - iopscience.iop.org
Lossy bosonic channels play an important role in a number of quantum information tasks,
since they well approximate thermal dissipation in an experiment. Here, we characterize …

Quantum-enhanced Doppler lidar

M Reichert, R Di Candia, MZ Win, M Sanz - npj Quantum Information, 2022 - nature.com
We propose a quantum-enhanced lidar system to estimate a target's radial velocity, which
employs squeezed and frequency-entangled signal and idler beams. We compare its …