activity
20102026
most citedFree-space quantum key distribution by rotation-invariant twisted photons

453 citations · 2.6k across the 35 of their papers we have counts for

collaborators

36 papers

physics.optics2026

Designing interferometers within a single optical beam

Bereneice Sephton, Rakhi Thomas, Carlo Schiano +8

Interferometry provides highly sensitive access to optical phase and is central to much of modern metrology and phase imaging methods. Conventional implementations, however, often…

quant-ph2026

Remote engineering of particle-like topologies to visualise entanglement dynamics

Fazilah Nothlawala, Bereneice Sephton, Pedro Ornelas +6

Skyrmions are a particle-like topology with a quantised skyrmion number, realised across condensed matter and photonic platforms alike. In quantum photonics, they constitute an eme…

physics.optics2026

Tunable Quantum Interference in Free Space with a Liquid-Crystal Metagrating

Maria Gorizia Ammendola, Italo Machuca Flores, Sneha Dey +9

Structured optical materials provide a promising platform for photonic quantum information processing in free space. Beam splitters, a fundamental building block of photonic circui…

quant-ph2025

Tailoring spatial correlations with quantum interference

Carlo Schiano, Bereneice Sephton, Elnaz Darsheshdar +3

Photon correlations represent a central resource in many quantum optics experiments, with applications ranging from quantum information protocols to sensing. Engineering such corre…

physics.optics2023

Light correcting light with nonlinear optics

Sachleen Singh, Bereneice Sephton, Wagner Tavares Buono +3

Structured light, where complex optical fields are tailored in all their degrees of freedom, has become highly topical of late, advanced by a sophisticated toolkit comprising both…

quant-ph2023

Engineering quantum states from a spatially structured quantum eraser

Carlo Schiano, Bereneice Sephton, Roberto Aiello +8

Quantum interference is a central resource in many quantum-enhanced tasks, from computation to communication protocols. While it usually occurs between identical input photons, qua…

cond-mat.mes-hall2021★ 18 cited

Integrated quantum polariton interferometry

Davide Nigro, Vincenzo D'Ambrosio, Daniele Sanvitto +1

Exciton-polaritons are hybrid elementary excitations of light and matter that, thanks to their nonlinear properties, enable a plethora of physical phenomena ranging from room tempe…

physics.optics2021★ 55 cited

Ultra-sensitive measurement of transverse displacements with structured light

Raouf Barboza, Amin Babazadeh, Lorenzo Marrucci +3

Accurately measuring mechanical displacements is essential for a vast portion of current technologies. Several optical techniques accomplish this task, allowing for non-contact sen…

physics.optics2020★ 6 cited

Slow thermo-optomechanical pulsations in suspended 1D photonic crystal nanocavities

Piergiacomo Z. G. Fonseca, Irene Alda, Francesco Marino +4

We investigate the nonlinear optical response of suspended 1D photonic crystal nanocavities fabricated on a silicon nitride chip. Strong thermo-optical nonlinearities are demonstra…

quant-ph2020★ 43 cited

Hyperentanglement in structured quantum light

Francesco Graffitti, Vincenzo D'Ambrosio, Massimiliano Proietti +5

Entanglement in high-dimensional quantum systems, where one or more degrees of freedom of light are involved, offers increased information capacities and enables new quantum protoc…

physics.optics2020★ 1 cited

Enhancing Electric Fields in High-Index Resonators by Flux Conservation of the Displacement Current Density

Bruno Miranda, Vincenzo D'Ambrosio, Giovanni Miano +2

Concentrating light within subwavelength spatial regions is a central topic in nanophotonics. In this letter, we introduce a general principle for the subwavelength localization an…

quant-ph2018★ 12 cited

Experimental study of nonclassical teleportation beyond average fidelity

Gonzalo Carvacho, Francesco Andreoli, Luca Santodonato +6

Quantum teleportation establishes a correspondence between an entangled state shared by two separate par- ties that can communicate classically and the presence of a quantum channe…

quant-ph2017★ 44 cited

Tunable two-photon quantum interference of structured light

Vincenzo D'Ambrosio, Gonzalo Carvacho, Iris Agresti +2

Structured photons are nowadays an interesting resource in classical and quantum optics due to the richness of properties they show under propagation, focusing and in their interac…

quant-ph2017★ 18 cited

Single-photon quantum contextuality on a chip

Andrea Crespi, Marco Bentivegna, Ioannis Pitsios +7

In classical physics, properties of the objects exist independently on the context, i.e. whether and how measurements are performed. Quantum physics showed this assumption to be wr…

quant-ph2016★ 25 cited

Quantum control of photonic entanglement with a single sub-wavelength structure

Alexander Büse, Mathieu L. Juan, Nora Tischler +4

Quantum entanglement is the basic resource for most quantum information schemes. A fundamental problem of using photonic states as carriers of quantum information is that they inte…

physics.optics2016★ 23 cited

Birth and evolution of an optical vortex

Giuseppe Vallone, Anna Sponselli, Vincenzo D'Ambrosio +3

When a phase singularity is suddenly imprinted on the axis of an ordinary Gaussian beam, an optical vortex appears and starts to grow radially, by effect of diffraction. This radia…

quant-ph2015★ 1 cited

Twin GHZ-states behave differently

Gonzalo Carvacho, Francesco Graffitti, Vincenzo D'Ambrosio +2

Greenberger-Horne-Zeilinger (GHZ) states and their mixtures exhibit fascinating properties. A complete basis of GHZ-states can be constructed by properly choosing local basis rotat…

quant-ph2015★ 144 cited

Thermally-Reconfigurable Quantum Photonic Circuits at Telecom Wavelength by Femtosecond Laser Micromachining

Fulvio Flamini, Lorenzo Magrini, Adil S. Rab +8

The importance of integrated quantum photonics in the telecom band resides on the possibility of interfacing with the optical network infrastructure developed for classical communi…

quant-ph2015★ 15 cited

Testing noncontextuality inequalities that are building blocks of quantum correlations

Mauricio Arias, Gustavo Cañas, Esteban S. Gómez +6

Measurement scenarios containing events with relations of exclusivity represented by pentagons, heptagons, nonagons, etc., or their complements are the only ones in which quantum p…

quant-ph2015★ 116 cited

Hybrid Entangled Entanglement in Vector Vortex Beams

Vincenzo D'Ambrosio, Gonzalo Carvacho, Francesco Graffitti +4

Light beams having a vectorial field structure - or polarization - that varies over the transverse profile and a central optical singularity are called vector-vortex (VV) beams and…

quant-ph2015★ 307 cited

Storage and retrieval of vector beams of light in a multiple-degree-of-freedom quantum memory

V. Parigi, V. D'Ambrosio, C. Arnold +3

The full structuration of light in the transverse plane, including intensity, phase and polarization, holds the promise of unprecedented capabilities for applications in classical…

quant-ph2015★ 30 cited

Resilience of hybrid optical angular momentum qubits to turbulence

Osvaldo Jiménez Farías, Vincenzo D'Ambrosio, Caterina Taballione +6

Recent schemes to encode quantum information into the total angular momentum of light, defining rotation-invariant hybrid qubits composed of the polarization and orbital angular mo…

quant-ph2014★ 31 cited

Generation of tunable entanglement and violation of a Bell-like inequality between different degrees of freedom of a single photon

Adam Valles, Vincenzo D'Ambrosio, Martin Hendrych +4

We demonstrate a scheme to generate noncoherent and coherent correlations, i.e., a tunable degree of entanglement, between degrees of freedom of a single photon. Its nature is anal…

quant-ph2014★ 44 cited

Device-independent certification of high-dimensional quantum systems

Vincenzo D'Ambrosio, Fabrizio Bisesto, Fabio Sciarrino +3

An important problem in quantum information processing is the certification of the dimension of quantum systems without making assumptions about the devices used to prepare and mea…