380 citations · 2.4k across the 37 of their papers we have counts for
38 papers
Direct Spatiotemporal Imaging of Charge Carrier Dynamics in Operative Semiconductor Devices
Adriano Cola, Antonio Valletta, Isabella Farella +2
Understanding charge carrier dynamics within electronic devices is crucial, as it governs both the internal evolution of signals and the externally measurable current. Yet, direct…
Electric-Field Mapping of Optically Perturbed CdTe Radiation Detectors
Adriano Cola, Lorenzo Dominici, Antonio Valletta
In radiation detectors, the spatial distribution of the electric field plays a fundamental role in their operation. Access to this field distribution is of strategic importance, es…
Pulse, polarization and topology shaping of polariton fuids
Lorenzo Dominici, David Colas, Stefano Donati +9
Here we present different approaches to ultrafast pulse and polarization shaping, based on a ``quantum fluid'' platform of polaritons. Indeed we exploit the normal modes of two dim…
Fully Integrated Perovskite Polaritonic Circuits with Tunable Lasing and Nonlinear Amplification
Antonio Fieramosca, Vincenzo Ardizzone, Rosanna Mastria +17
Photonic integrated circuits are emerging as a key technology for compact and energy-efficient optical information processing. Yet, their practical implementation remains limited b…
Low-power multi-mode fiber projector overcomes shallow neural networks classifiers
Daniele Ancora, Matteo Negri, Antonio Gianfrate +5
In the domain of disordered photonics, the characterization of optically opaque materials for light manipulation and imaging is a primary aim. Among various complex devices, multi-…
Topologically driven Rabi-oscillating interference dislocation
Amir Rahmani, David Colas, Nina Voronova +3
Quantum vortices are the quantized version of classical vortices. Their center is a phase singularity or vortex core around which the flow of particles as a whole circulates and is…
Optical Writing and Electro-Optic Imaging of Reversible Space Charges in Semi-Insulating CdTe Diodes
Adriano Cola, Lorenzo Dominici, Antonio Valletta
Deep levels control the space charge in electrically compensated semi-insulating materials. They limit the performance of radiation detectors but their interaction with free carrie…
Coupled quantum vortex kinematics and Berry curvature in real space
Lorenzo Dominici, Amir Rahmani, David Colas +6
The Berry curvature provides a powerful tool to unify several branches of science through their geometrical aspect: topology, energy bands, spin and vector fields. While quantum de…
Single-step transmission matrix retrieval for fast imaging through multi-mode fibers
Daniele Ancora, Lorenzo Dominici, Antonio Gianfrate +5
Recovering the transmission matrix of a disordered medium is a challenging problem in disordered photonics. Usually, its reconstruction relies on a complex inversion that aims at c…
Shaping the topology of light with a moving Rabi-oscillating vortex
Lorenzo Dominici, Nina Voronova, David Colas +8
Quantum vortices are the analogue of classical vortices in optics, Bose-Einstein condensates, superfluids and superconductors, where they provide the elementary mode of rotation an…
Dynamics of a vortex lattice in an expanding polariton quantum fluid
Riccardo Panico, Guido Macorini, Lorenzo Dominici +7
If a quantum fluid is driven with enough angular momentum, at equilibrium the ground state of the system is given by a lattice of quantised vortices whose density is prescribed by…
Tuning the Berry curvature in 2D Perovskite
Laura Polimeno, Milena De Giorgi, Giovanni Lerario +14
Topological physics and in particular its connection with artificial gauge fields is a forefront topic in different physical systems, ranging from cold atoms to photonics and more…
Temporal shaping and time varying orbital angular momentum of displaced vortices
Fazele Hosseini, Mohammad A. Sadeghzadeh, Amir Rahmani +2
The fundamental mode of rotation in quantum fluids is given by a vortex, whose quantized value yields the orbital angular momentum (OAM) per particle. If the vortex is displaced (o…
Observation of two thresholds leading to polariton condensation in 2D hybrid perovskites
Laura Polimeno, Antonio Fieramosca, Giovanni Lerario +12
Two dimensional (2D) perovskites are promising materials for photonic applications, given their outstanding nonlinear optical properties, ease of fabrication and versatility. In pa…
Demonstration of dipolar-induced enhancement of parametric effects in polariton waveguides
Daniel G. Suárez-Forero, Fabrizio Riminucci, Vincenzo Ardizzone +13
Exciton-polaritons are hybrid light-matter excitations arising from the non-perturbative coupling of a photonic mode and an excitonic resonance. Behaving as interacting photons, th…
Electrically controlled waveguide polariton laser
D. G. Suárez-Forero, F. Riminucci, V. Ardizzone +8
Exciton-polaritons are mixed light-matter particles offering a versatile solid state platform to study many-body physical effects. In this work we demonstrate an electrically contr…
Chromodynamics of photons in an artificial non-Abelian magnetic Yang-Mills field
A. Fieramosca, L. Polimeno, G. Lerario +12
Artificial gauge fields, simulating real phenomenologies that unfold in a vast variety of systems, offer extraordinary possibilities to study extreme physical effects in many diffe…
Polaritonic neuromorphic computing outperforms linear classifiers
D. Ballarini, A. Gianfrate, R. Panico +10
Machine learning software applications are nowadays ubiquitous in many fields of science and society for their outstanding capability of solving computationally vast problems like…
Directional Goldstone waves in polariton condensates close to equilibrium
Dario Ballarini, Davide Caputo, Galbadrakh Dagvadorj +8
Quantum fluids of light are realized in semiconductor microcavities by exciton-polaritons, solid-state quasi-particles with a light mass and sizeable interactions. Here, we use the…
Direct measurement of the quantum geometric tensor in a two-dimensional continuous medium
A. Gianfrate, O. Bleu, L. Dominici +8
Topological Physics relies on the specific structure of the eigenstates of Hamiltonians. Their geometry is encoded in the quantum geometric tensor containing both the celebrated Be…
Josephson vortices in a long Josephson junction formed by phase twist in a polariton superfluid
Davide Caputo, Nataliya Bobrovska, Dario Ballarini +7
Quantum fluids of light are an emerging platform for energy efficient signal processing, ultra-sensitive interferometry and quantum simulators at elevated temperatures. Here we dem…
Two-Dimensional hybrid perovskites sustaining strong polariton interactions at room temperature
A. Fieramosca, L. Polimeno, V. Ardizzone +9
Polaritonic devices exploit the coherent coupling between excitonic and photonic degrees of freedom to perform highly nonlinear operations with low input powers. Most of the curren…
Tunable out-of-plane excitons in 2D single crystal perovskites
A. Fieramosca, L. De Marco, M. Passoni +11
Hybrid organic-inorganic perovskites have emerged as very promising materials for photonic applications, thanks to the great synthetic versatility that allows to tune their optical…
Self-trapping of exciton-polariton condensates
Dario Ballarini, Igor Chestnov, Davide Caputo +7
The self-trapping of exciton-polariton condensates is demonstrated and explained by the formation of a new polaron-like state. Above the polariton lasing threshold, local variation…