Resolving starlight: a quantum perspective

M Tsang - Contemporary Physics, 2019 - Taylor & Francis
The wave-particle duality of light introduces two fundamental problems to imaging, namely,
the diffraction limit and the photon shot noise. Quantum information theory can tackle them …

[HTML][HTML] A perspective on multiparameter quantum metrology: From theoretical tools to applications in quantum imaging

F Albarelli, M Barbieri, MG Genoni, I Gianani - Physics Letters A, 2020 - Elsevier
The interest in a system often resides in the interplay among different parameters governing
its evolution. It is thus often required to access many of them at once for a complete …

Optical quantum super-resolution imaging and hypothesis testing

U Zanforlin, C Lupo, PWR Connolly, P Kok… - Nature …, 2022 - nature.com
Estimating the angular separation between two incoherent thermal sources is a challenging
task for direct imaging, especially at lengths within the diffraction limit. Moreover, detecting …

[HTML][HTML] Identification of light sources using machine learning

C You, MA Quiroz-Juárez, A Lambert… - Applied Physics …, 2020 - pubs.aip.org
The identification of light sources represents a task of utmost importance for the
development of multiple photonic technologies. Over the last decades, the identification of …

Interferometric imaging using shared quantum entanglement

MR Brown, M Allgaier, V Thiel, JD Monnier… - Physical Review Letters, 2023 - APS
Quantum entanglement-based imaging promises significantly increased resolution by
extending the spatial separation of optical collection apertures used in very-long-baseline …

Precisely determining photon-number in real time

LA Morais, T Weinhold, MP de Almeida, J Combes… - Quantum, 2024 - quantum-journal.org
Superconducting transition-edge sensors (TES) are extremely sensitive microcalorimeters
used as photon detectors with unparalleled energy resolution. They have found application …

A quantitative comparison of amplitude versus intensity interferometry for astronomy

M Bojer, Z Huang, S Karl, S Richter, P Kok… - New Journal of …, 2022 - iopscience.iop.org
Astronomical imaging can be broadly classified into two types. The first type is amplitude
interferometry, which includes conventional optical telescopes and very large baseline …

Large baseline optical imaging assisted by single photons and linear quantum optics

MM Marchese, P Kok - Physical Review Letters, 2023 - APS
In this Letter, we show that by combining quantum metrology and networking tools, it is
possible to extend the baseline of an interferometric optical telescope and thus improve …

Towards quantum telescopes: demonstration of a two-photon interferometer for precision astrometry

J Crawford, D Dolzhenko, M Keach, A Mueninghoff… - Optics …, 2023 - opg.optica.org
Classical optical interferometry requires maintaining live, phase-stable links between
telescope stations. This requirement greatly adds to the cost of extending to long baseline …

Imaging arbitrary incoherent source distributions with near quantum-limited resolution

EF Matlin, LJ Zipp - Scientific Reports, 2022 - nature.com
We demonstrate an approach to obtaining near quantum-limited far-field imaging resolution
of incoherent sources with arbitrary distributions. Our method assumes no prior knowledge …