The rise and fall of patterns in driven-dissipative Rydberg polaritons

Spatial structures commonly emerge in interacting nonlinear systems. In this study, we focus on the out-of-equilibrium dynamics of the recently-established platform of Rydberg exciton-polaritons, fueled by their characteristic long-range non-local interactions, in the presence of an external drive a...

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Bibliographic Details
Published inarXiv.org
Main Authors Alaeian, H, Walther, V
Format Paper
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 25.11.2023
Subjects
Dissipation
Excitons
Nonlinear systems
Polaritons
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Summary:Spatial structures commonly emerge in interacting nonlinear systems. In this study, we focus on the out-of-equilibrium dynamics of the recently-established platform of Rydberg exciton-polaritons, fueled by their characteristic long-range non-local interactions, in the presence of an external drive and dissipation. Our work elucidates how modulational instability sets off spontaneous density pattern formations in a Rydberg polariton system with characteristic scales in the micron range. Under conditions of an unstable flattop state, we track the evolution of the polariton ensemble, showing the emergence of meta-stable patterns and their collapse in the long-time limit. We trace this phenomenon back to the destructive interference between the polariton state and the pump in a driven ensemble. Finally, we map out conditions that allow stable patterns to form under incoherent pumping. These findings provide new opportunities for exploring the emerging field of long-range interacting gases through Rydberg exciton-polaritons.
ISSN:2331-8422