22 citations · 39 across the 9 of their papers we have counts for
10 papers · 1 filter
Certification of high-dimensional entanglement in continuous-variable systems
Ida Mishra, Simon Morelli, Klára Baksová +2
The dimensionality of entanglement in high-dimensional quantum systems is quantified by the Schmidt number, whose large value signals potential advantages for quantum communication…
Quantum sequential parameter testing
Simon Morelli, Ricard Ravell Rodríguez, John Calsamiglia +3
Sequential strategies in hypothesis testing use a variable number of measurement rounds, allowing a decision to be made as soon as the observed data provide a prescribed level of e…
Faking entanglement with imperceptible measurement deviations
Jaime Moreno, Elna Svegborn, Simon Morelli +4
Quantum entanglement is a central resource underpinning emerging quantum technologies, enabling capabilities beyond those of classical systems. Accurate verification of entanglemen…
On super additivity of Fisher information in fully Gaussian metrology
Javier Navarro, Simon Morelli, Mikel Sanz +1
Famously, the quantum Fisher information -- the maximum Fisher information over all physical measurements -- is additive for independent copies of a system and the optimal measurem…
Superactivation and Incompressibility of Genuine Multipartite Entanglement
Lisa T. Weinbrenner, Klára Baksová, Sophia Denker +4
Quantum correlations in the form of entanglement, quantum steering or Bell nonlocality are resources for various information-processing tasks, but their detailed quantification and…
Knowledge-dependent optimal Gaussian strategies for phase estimation
Ricard Ravell Rodríguez, Simon Morelli
When estimating an unknown phase rotation of a continuous-variable system with homodyne detection, the optimal probe state strongly depends on the value of the estimated parameter.…
Exploring Imaginary Coordinates: Disparity in the Shape of Quantum State Space in Even and Odd Dimensions
Simon Morelli, Santiago Llorens, Jens Siewert
The state of a finite-dimensional quantum system is described by a density matrix that can be decomposed into a real diagonal, a real off-diagonal and and an imaginary off-diagonal…
Enhanced Schmidt number criteria based on correlation trace norms
Armin Tavakoli, Simon Morelli
The Schmidt number represents the genuine entanglement dimension of a bipartite quantum state. We derive simple criteria for the Schmidt number of a density matrix in arbitrary loc…
Genuine multipartite entanglement detection with imperfect measurements: concept and experiment
Huan Cao, Simon Morelli, Lee A. Rozema +3
Standard procedures for entanglement detection assume that experimenters can exactly implement specific quantum measurements. Here, we depart from such idealizations and investigat…
Geometry of two-body correlations in three-qubit states
Shravan Shravan, Simon Morelli, Otfried Gühne +1
We study restrictions of two-body correlations in three-qubit states, using three local-unitarily invariant coordinates based on the Bloch vector lengths of the marginal states. Fi…