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Journal Article

Synchronization of an optomechanical system to an external drive


Walter,  Stefan
Marquardt Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Amitai, E., Loerch, N., Nunnenkamp, A., Walter, S., & Bruder, C. (2017). Synchronization of an optomechanical system to an external drive. Physical Review A, 95(5): 053858. doi:10.1103/PhysRevA.95.053858.

Cite as: https://hdl.handle.net/21.11116/0000-0000-8585-3
Optomechanical systems driven by an effective blue-detuned laser can exhibit self-sustained oscillations of the mechanical oscillator. These self-oscillations are a prerequisite for the observation of synchronization. Here, we study the synchronization of the mechanical oscillations to an external reference drive. We study two cases of reference drives: (1) an additional laser applied to the optical cavity; (2) a mechanical drive applied directly to the mechanical oscillator. Starting from a master equation description, we derive a microscopic Adler equation for both cases, valid in the classical regime in which the quantum shot noise of the mechanical self-oscillator does not play a role. Furthermore, we numerically show that, in both cases, synchronization arises also in the quantum regime. The optomechanical system is therefore a good candidate for the study of quantum synchronization.