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Taming the snake instabilities in a polariton superfluid
Ferdinand Claude, Sergei V. Koniakhin, Anne Maître +8
The dark solitons observed in a large variety of nonlinear media are unstable against the modulational (snake) instabilities and can break in vortex streets. This behavior has been…
Interferences between Bogoliubov excitations and their impact on the evidence of superfluidity in a paraxial fluid of light
Quentin Fontaine, Pierre-Elie Larré, Giovanni Lerario +7
Paraxial fluids of light represent an alternative platform to atomic Bose-Einstein condensates and superfluid liquids for the study of the quantum behaviour of collective excitatio…
Critical velocity in resonantly driven polariton superfluids
Simon Pigeon, Amandine Aftalion
We study the necessary condition under which a resonantly driven exciton polariton superfluid flowing against an obstacle can generate turbulence. The value of the critical velocit…
Microcavity Polaritons for Quantum simulation
Thomas Boulier, Maxime J. Jacquet, Anne Maître +8
Quantum simulations are one of the pillars of quantum technologies. These simulations provide insight in fields as varied as high energy physics, many-body physics, or cosmology to…
Parallel dark soliton pair in a bistable 2D exciton-polariton superfluid
Giovanni Lerario, Sergei V. Koniakhin, Anne Maître +7
Collective excitations, such as vortex-antivortex and dark solitons, are among the most fascinating effects of macroscopic quantum states. However, 2D dark solitons are unstable an…
Polariton fluids for analogue gravity physics
M. J. Jacquet, T. Boulier, F. Claude +8
Analogue gravity enables the study of fields on curved spacetimes in the laboratory. There are numerous experimental platforms in which amplification at the event horizon or the er…
Vortex stream generation and enhanced propagation in a polariton superfluid
Giovanni Lerario, Anne Maître, Rajiv Boddeda +4
In this work, we implement a new experimental configuration which exploits the specific properties of the optical bistability exhibited by the polariton system and we demonstrate t…
Dark-soliton molecules in an exciton-polariton superfluid
Anne Maître, Giovanni Lerario, Adrià Medeiros +5
The general theory of dark solitons relies on repulsive interactions and therefore predicts the impossibility to form dark-soliton bound states. One important exception to this pre…