Chimera states in small optomechanical arrays

Pelka, Karl; Peano, Vittorio; Xuereb, Andre

doi:10.1103/PhysRevResearch.2.013201

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Chimera states in small optomechanical arrays

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Peano, Vittorio
Marquardt Division, Max Planck Institute for the Science of Light, Max Planck Society;
Department of Physics, University of Malta;

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Citation

Pelka, K., Peano, V., & Xuereb, A. (2020). Chimera states in small optomechanical arrays. Physical Review Research, (2): 013201. doi:10.1103/PhysRevResearch.2.013201.

Cite as: https://hdl.handle.net/21.11116/0000-0005-2056-6

Abstract

Synchronization of weakly-coupled non-linear oscillators is a ubiquitous phenomenon that has been observedacross the natural sciences. We study the dynamics of optomechanical arrays—networks of mechanically com-pliant structures that interact with the radiation pressure force—which are driven to self-oscillation. Thesesystems offer a convenient platform to study synchronization phenomena and have potential technological ap-plications. We demonstrate that this system supports the existence of long-lived chimera states, where parts ofthe array synchronize whilst others do not. Through a combined numerical and analytical analysis we show thatthese chimera states can only emerge in the presence of disorder.