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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…
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…
Merging of vortices and antivortices in polariton superfluids
Emiliano Cancellieri, Thomas Boulier, Romain Hivet +6
Quantised vortices are remarkable manifestations on a macroscopic scale of the coherent nature of quantum fluids, and the study of their properties is of fundamental importance for…
Spontaneous formation and optical manipulation of extended polariton condensates
Esther Wertz, Lydie Ferrier, Dimitri Solnyshkov +9
Cavity exciton-polaritons (polaritons) are bosonic quasi-particles offering a unique solid-state system to investigate interacting condensates. Up to now, disorder induced localiza…
Persistent currents and quantised vortices in a polariton superfluid
D. Sanvitto, F. M. Marchetti, M. H. Szymanska +10
Semiconductor microcavity polaritons in the optical parametric scattering regime have been recently demonstrated to display a new variety of dissipationless superfluid behaviour. W…
Observation of long-lived polariton states in semiconductor microcavities across the parametric threshold
D. Ballarini, D. Sanvitto, A. Amo +5
The excitation spectrum around the pump-only stationary state of a polariton optical parametric oscillator (OPO) in semiconductor microcavities is investigated by time-resolved pho…