Search Results - "Ballarini, D."
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Measurement of the quantum geometric tensor and of the anomalous Hall drift
Published in Nature (London) (20-02-2020)“…Topological physics relies on the structure of the eigenstates of the Hamiltonians. The geometry of the eigenstates is encoded in the quantum geometric tensor…”
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Polariton Bose–Einstein condensate from a bound state in the continuum
Published in Nature (London) (19-05-2022)“…Bound states in the continuum (BICs) 1 – 3 are peculiar topological states that, when realized in a planar photonic crystal lattice, are symmetry-protected…”
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3
All-optical polariton transistor
Published in Nature communications (2013)“…Although optical technology provides the best solution for the transmission of information, all-optical devices must satisfy several qualitative criteria to be…”
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4
Onset of vortex clustering and inverse energy cascade in dissipative quantum fluids
Published in Nature photonics (01-05-2023)“…Turbulent phenomena are among the most striking effects that both classical and quantum fluids can exhibit. Although classical turbulence is ubiquitous in…”
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5
Collective fluid dynamics of a polariton condensate in a semiconductor microcavity
Published in Nature (London) (15-01-2009)“…Semiconductor microcavities offer unique systems in which to investigate the physics of weakly interacting bosons. Their elementary excitations,…”
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6
All-optical control of the quantum flow of a polariton condensate
Published in Nature photonics (01-10-2011)“…Although photons in vacuum are massless particles that do not appreciably interact with each other, significant interactions appear in suitable nonlinear…”
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7
Author Correction: Onset of vortex clustering and inverse energy cascade in dissipative quantum fluids
Published in Nature photonics (01-10-2024)Get full text
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8
Ultrastrong light-matter coupling in electrically doped microcavity organic light emitting diodes
Published in Applied physics letters (09-06-2014)“…The coupling of the electromagnetic field with an electronic transition gives rise, for strong enough light-matter interactions, to hybrid states called…”
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9
Transverse localization of light in laser written designed disorder
Published in Applied physics letters (18-02-2020)“…Transverse Anderson localization provides the lateral confinement of electromagnetic waves in disordered systems that are invariant along the propagation…”
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10
Two-dimensional hybrid perovskites sustaining strong polariton interactions at room temperature
Published in Science advances (01-05-2019)“…Polaritonic devices exploit the coherent coupling between excitonic and photonic degrees of freedom to perform highly nonlinear operations with low input…”
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Polariton Condensation in Gap-Confined States of Photonic Crystal Waveguides
Published in Physical review letters (15-12-2023)“…The development of patterned multiquantum well heterostructures in GaAs/AlGaAs waveguides has recently made it possible to achieve exciton-polariton…”
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12
Real-space collapse of a polariton condensate
Published in Nature communications (04-12-2015)“…Microcavity polaritons are two-dimensional bosonic fluids with strong nonlinearities, composed of coupled photonic and electronic excitations. In their…”
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Enhancement of Parametric Effects in Polariton Waveguides Induced by Dipolar Interactions
Published in Physical review letters (02-04-2021)“…Exciton-polaritons are hybrid light-matter excitations arising from the nonperturbative coupling of a photonic mode and an excitonic resonance. Behaving as…”
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14
Ultrafast Control and Rabi Oscillations of Polaritons
Published in Physical review letters (28-11-2014)“…We report the experimental observation and control of space and time-resolved light-matter Rabi oscillations in a microcavity. Our setup precision and the…”
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15
Control and ultrafast dynamics of a two-fluid polariton switch
Published in Physical review letters (28-12-2012)“…We investigate the cross interactions in a two-component polariton quantum fluid coherently driven by two independent pumping lasers tuned at different…”
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16
The colored Hanbury Brown–Twiss effect
Published in Scientific reports (06-12-2016)“…The Hanbury Brown–Twiss effect is one of the celebrated phenomenologies of modern physics that accommodates equally well classical (interferences of waves) and…”
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17
Experimental investigation of a non-Abelian gauge field in 2D perovskite photonic platform
Published in Optica (20-11-2021)“…Electromagnetism, with its scalar charges, is based on an Abelian gauge theory, whereas non-Abelian gauge theories with vector charges describe strong and weak…”
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18
Multicomponent polariton superfluidity in the optical parametric oscillator regime
Published in Physical review. B, Condensed matter and materials physics (23-07-2015)“…Superfluidity, which is the ability of a liquid or gas to flow with zero viscosity, is one of the most remarkable implications of collective quantum coherence…”
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Observation of long-lived polariton states in semiconductor microcavities across the parametric threshold
Published in Physical review letters (06-02-2009)“…The excitation spectrum around the pump-only stationary state of a polariton optical parametric oscillator in semiconductor microcavities is investigated by…”
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20
Interaction-shaped vortex-antivortex lattices in polariton fluids
Published in Physical review. B, Condensed matter and materials physics (03-04-2014)“…Topological defects such as quantized vortices are one of the most striking manifestations of the superfluid nature of Bose-Einstein condensates and typical…”
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