46 citations · 306 across the 24 of their papers we have counts for
27 papers
Real-time estimation of the transmission matrix of an atmospheric channel
Cade Peters, Raphael Bellossi, Douglas McDonald +3
Optical wavelengths have received significant attention in free-space channels and are vital for applications in communications, imaging and sensing. Their widespread implementatio…
Metrology of quantum imaging schemes
Emma Brambila, Giacomo Sorelli
We compare the performance of quantum imaging schemes based on spatially correlated photon pairs by formulating them as quantum multiparameter estimation problems, in which the obj…
Ultimate resolution limits in coherent anti-Stokes Raman scattering imaging
Giacomo Sorelli, Manuel Gessner, Frank Schlawin
Coherent anti-Stokes Raman scattering is a widely used imaging technique that provides chemical contrast without the need for labels, making it an extremely valuable tool in physic…
Estimation of multiple parameters encoded in the modal structure of light
Alexander Boeschoten, Giacomo Sorelli, Manuel Gessner +2
We investigate the problem of estimating simultaneously multiple parameters encoded in the shape of the modes on which the light is expanded. For this, we generalize the mode-encod…
Quantum-inspired exoplanet detection in the presence of experimental imperfections
Tomasz Linowski, Konrad Schlichtholz, Giacomo Sorelli
Ideal spatial demultiplexing (SPADE) is proven to be a quantum-optimal tool for exoplanet detection, i.e., asymmetric source discrimination. However, recent investigations into the…
Online estimation of the transmission matrix of an atmospheric channel
Giacomo Sorelli, Douglas McDonald, Szymon Gladysz
We investigate the reconstruction of the transmission matrix of a time-evolving atmospheric channel with an online recursive optimization routine, using wave-optics simulations. We…
Accurate Zernike-Corrected Phase Screens for Arbitrary Power Spectra
David Bachmann, Mathieu Isoard, Vyacheslav Shatokhin +2
Wave propagation through random continuous media remains an important fundamental problem with applications ranging from remote sensing to quantum communication. Typically, such me…
Exploiting separation-dependent coherence to boost optical resolution
Ilya Karuseichyk, Giacomo Sorelli, Vyacheslav Shatokhin +2
The problem of resolving point-like light sources not only serves as a benchmark for optical resolution but also holds various practical applications ranging from microscopy to ast…
Ultra-sensitive separation estimation of optical sources
Clémentine Rouvière, David Barral, Antonin Grateau +4
Historically, the resolution of optical imaging systems was dictated by diffraction, and the Rayleigh criterion was long considered an unsurpassable limit. In superresolution micro…
Practical tests for sub-Rayleigh source discriminations with imperfect demultiplexers
Konrad Schlichtholz, Tomasz Linowski, Mattia Walschaers +3
Quantum-optimal discrimination between one and two closely separated light sources can be achieved by ideal spatial-mode demultiplexing, simply monitoring whether a photon is detec…
Metrological detection of entanglement generated by non-Gaussian operations
David Barral, Mathieu Isoard, Giacomo Sorelli +3
Entanglement and non-Gaussianity are physical resources that are essential for a large number of quantum-optics protocols. Non-Gaussian entanglement is indispensable for quantum-co…
Application range of crosstalk-affected spatial demultiplexing for resolving separations between unbalanced sources
Tomasz Linowski, Konrad Schlichtholz, Giacomo Sorelli +4
Superresolution is one of the key issues at the crossroads of contemporary quantum optics and metrology. Recently, it was shown that for an idealized case of two balanced sources,…
Universal crosstalk of twisted light in random media
David Bachmann, Asher Klug, Mathieu Isoard +4
Structured light offers wider bandwidths and higher security for communication. However, propagation through complex random media, such as the Earth's atmosphere, typically induces…
Quantum limits for resolving Gaussian sources
Giacomo Sorelli, Manuel Gessner, Mattia Walschaers +1
We determine analytically the quantum Cramér-Rao bound for the estimation of the separation between two point sources in arbitrary Gaussian states. Our analytical expression is val…
Highly-transmitting modes of light in dynamic atmospheric turbulence
David Bachmann, Mathieu Isoard, Vyacheslav Shatokhin +3
We show that instantaneous spatial singular modes of light in a dynamically evolving, turbulent atmosphere offer significantly improved high-fidelity signal transmission as compare…
Gaussian quantum metrology for mode-encoded parameters
Giacomo Sorelli, Manuel Gessner, Nicolas Treps +1
Quantum optical metrology aims to identify ultimate sensitivity bounds for the estimation of parameters encoded into quantum states of the electromagnetic field. In many practical…
Resolving Mutually Coherent Bright Point-Sources
Ilya Karuseichyk, Giacomo Sorelli, Manuel Gessner +2
We analyze the problem of resolving two point-sources in the case of mutually coherent sources with arbitrary quantum statistics, mutual phase, relative and absolute intensity. We…
Moment-based superresolution: Formalism and applications
Giacomo Sorelli, Manuel Gessner, Mattia Walschaers +1
Sensitivity limits are usually determined using the Cramér-Rao bound. Recently this approach has been used to obtain the ultimate resolution limit for the estimation of the separat…
Optimal observables and estimators for practical superresolution imaging
Giacomo Sorelli, Manuel Gessner, Mattia Walschaers +1
Recent works identified resolution limits for the distance between incoherent point sources. However, it remains unclear how to choose suitable observables and estimators to reach…
Full characterization of the transmission properties of a multi-plane light converter
Pauline Boucher, Arthur Goetschy, Giacomo Sorelli +2
Multi-plane light conversion allows to perform arbitrary transformations on a finite set of spatial modes with no theoretical restriction to the quality of the transformation. Even…
Detecting a target with quantum entanglement
Giacomo Sorelli, Nicolas Treps, Frederic Grosshans +1
In the last decade a lot of research activity focused on the use of quantum entanglement as a resource for remote target detection, i.e. on the design of a quantum radar. The liter…
Entanglement of truncated quantum states
Giacomo Sorelli, Vyacheslav N. Shatokhin, Filippus S. Roux +1
We investigate the impact of Hilbert-space truncation upon the entanglement of an initially maximally entangled bipartite quantum state, after propagation under an enta…
Universal entanglement losses induced by angular uncertainty
Giacomo Sorelli, Vyacheslav N. Shatokhin, Andreas Buchleitner
We study the diffraction of two maximally entangled qubits encoded into spatial modes of light with orbital angular momenta , on angular apertures. Exploiting the un…
Entanglement protection of high-dimensional states by adaptive optics
Giacomo Sorelli, Nina Leonhard, Vyacheslav N. Shatokhin +2
We study the potential of adaptive optics (AO) to protect entanglement of high-dimensional photonic orbital-angular-momentum (OAM) states against turbulence-induced phase distortio…