262 citations · 826 across the 22 of their papers we have counts for
23 papers
Dynamical stabilisation of a quantum fluid using a single topological defect
Deborah Capecchi, Paolo Comaron, Antonio Gianfrate +5
The size and shape of a quantum fluid in equilibrium is strongly influenced by the inter-particle interactions. In the attractive interaction regime, atomic quantum fluids ultimate…
Magnetic-field driven hybridization of heavy- and light-hole Rydberg excitons in GaAs quantum wells
David de la Fuente Pico, Johannes Bürger, Antonio Gianfrate +5
We present a combined theoretical and experimental study of ground and excited Rydberg exciton states in wide GaAs quantum wells exposed to a magnetic field in the Faraday geometry…
Very strong light-matter coupling in patterned GaAs heterostructures
David de la Fuente Pico, Johannes Bürger, Antonio Gianfrate +5
The very strong light-matter coupling regime enables the non-perturbative modification of matter properties via light. Using a patterned GaAs/AlGaAs waveguide with twelve wide quan…
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…
Dynamical universality in a driven quantum fluid of light
Ivan Gnusov, Paolo Comaron, Antonio Gianfrate +6
Universal scaling near phase transitions is one of the central ideas of physics, linking the growth of spatial correlations to the slowing down of dynamics. So far, direct experime…
Directional optical parametric amplification in a hyperbolic metamaterial
Antonio Gianfrate, Dimitrios Trypogeorgos, Paolo Comaron +5
Optical parametric amplification (OPA) comprises essentially a nonlinear four-wave mixing process in which a "pump" and a "signal" field give rise to an "idler" field under certain…
Condensation dynamics in a two-dimensional photonic crystal waveguide
Maria Efthymiou-Tsironi, Antonio Gianfrate, Dimitrios Trypogeorgos +6
Exciton-polariton condensation occurs at the extrema of the underlying dispersion where the density of states diverges and carriers can naturally accumulate. The existence of multi…
Geometric control of hyperbolic exciton-polariton condensate dimers
Ioannis Georgakilas, Antonio Gianfrate, Dimitrios Trypogeorgos +7
Coupled many-body quantum systems exhibit rich emergent physics with diverse stationary and dynamical behaviors. By engineering platforms with tunable and distinct coupling mechani…
Emerging supersolidity from a polariton condensate in a photonic crystal waveguide
Dimitrios Trypogeorgos, Antonio Gianfrate, Manuele Landini +10
A supersolid is a counter-intuitive phase of matter where its constituent particles are arranged into a crystalline structure, yet they are free to flow without friction. This requ…
Supersolidity of polariton condensates in photonic crystal waveguides
Davide Nigro, Dimitrios Trypogeorgos, Antonio Gianfrate +3
Condensation of exciton-polaritons has been recently observed in one-dimensional photonic crystal waveguides, exploiting the interplay of long-lived gap confined eigenmodes and neg…
Bose-Einstein Condensation in Gap-Confined Exciton-Polariton States
F. Riminucci, A. Gianfrate, D. Nigro +9
The development of patterned multi-quantum well heterostructures in GaAs/AlGaAs waveguides has recently allowed to achieve exciton-polariton condensation in a topologically protect…
Reconfigurable quantum fluid molecules of bound states in the continuum
Antonio Gianfrate, Helgi Sigurdsson, Vincenzo Ardizzone +10
Topological bound states in the continuum are confined wave-mechanical objects that offer advantageous ways to enhance light-matter interactions in compact photonic devices. In par…
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-…
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…
Ultrafast, low-energy, all-optical switch in polariton waveguides
D. G. Suárez-Forero, F. Riminucci, V. Ardizzone +8
The requirement for optical-electrical-optical conversion of signals in optical technologies is often one of the majors bottleneck in terms of speed and energy consumption. The use…
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…
Polariton Bose-Einstein condensate from a Bound State in the Continuum
V. Ardizzone, F. Riminucci, S. Zanotti +13
Optical bound states in the continuum (BIC) are peculiar topological states that, when realized in a planar photonic crystal lattice, are symmetry-protected from radiating in the f…
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…
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…
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…
Full-Bloch beams and ultrafast Rabi-rotating vortices
Lorenzo Dominici, David Colas, Antonio Gianfrate +8
Strongly-coupled quantum fields, such as multi-component atomic condensates, optical fields and polaritons, are remarkable systems where the simple dynamics of coupled oscillators…
Interactions and scattering of quantum vortices in a polariton fluid
Lorenzo Dominici, R. Carretero-Gonzalez, Jesus Cuevas-Maraver +9
Quantum vortices, the quantized version of classical vortices, play a prominent role in superfluid and superconductor phase transitions. However, their exploration at a particle le…
Superluminal X-waves in a polariton quantum fluid
A. Gianfrate, L. Dominici, O. Voronych +6
In this work we experimentally demonstrate for the first time spontaneous generation of two-dimensional exciton-polariton X-waves. X-waves belong to the family of localized packets…