Volume 113, Number 6, March 2016
|Number of page(s)||6|
|Section||Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics|
|Published online||11 April 2016|
Optomechanical multistability in the quantum regime
Institute of Physics, Ernst-Moritz-Arndt-University of Greifswald - 17487 Greifswald, Germany
Received: 16 January 2016
Accepted: 31 March 2016
Classical optomechanical systems feature self-sustained oscillations, where multiple periodic orbits at different amplitudes coexist. We study how this multistability is realized in the quantum regime, where new dynamical patterns appear because quantum trajectories can move between different classical orbits. We explain the resulting quantum dynamics from the phase space point of view, and provide a quantitative description in terms of autocorrelation functions. In this way we can identify clear dynamical signatures of the crossover from classical to quantum mechanics in experimentally accessible quantities. Finally, we discuss a possible interpretation of our results in the sense that quantum mechanics protects optomechanical systems against the chaotic dynamics realized in the classical limit.
PACS: 42.50.Ct – Quantum description of interaction of light and matter; related experiments / 37.10.Vz – Mechanical effects of light on atoms, molecules, and ions / 07.10.Cm – Micromechanical devices and systems
© EPLA, 2016
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