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Dark-Soliton Molecules in an Exciton-Polariton Superfluid

Abstract : 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 prediction is the observation of bound solitons in nonlocal nonlinear media. Here, we report that exciton-polariton superfluids can also sustain darksoliton molecules, although the interactions are fully local. With a novel all-optical technique, we create two dark solitons that bind together to form an unconventional dark-soliton molecule. We demonstrate that the stability of this structure and the separation distance between two dark solitons is tightly connected to the driven-dissipative nature of the polariton fluid.
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Contributor : Hal Sorbonne Université Gestionnaire <>
Submitted on : Tuesday, November 24, 2020 - 9:16:33 AM
Last modification on : Tuesday, December 8, 2020 - 3:35:49 AM
Long-term archiving on: : Thursday, February 25, 2021 - 6:24:34 PM


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Anne Maitre, Giovanni Lerario, Adrià Medeiros, Ferdinand Claude, Quentin Glorieux, et al.. Dark-Soliton Molecules in an Exciton-Polariton Superfluid. Physical Review X, American Physical Society, 2020, 10, ⟨10.1103/PhysRevX.10.041028⟩. ⟨hal-03020757⟩



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