Optically levitated nanoparticle as a model system for stochastic bistable dynamics

F. Ricci (), R. A. Rica, M. Spasenović, J. Gieseler, L. Rondin, L. Novotny and R. Quidant ()
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F. Ricci: ICFO-Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology, Castelldefels, Barcelona 08860, Spain
R. A. Rica: ICFO-Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology, Castelldefels, Barcelona 08860, Spain
M. Spasenović: ICFO-Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology, Castelldefels, Barcelona 08860, Spain
J. Gieseler: ICFO-Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology, Castelldefels, Barcelona 08860, Spain
L. Rondin: ETH Zürich, Photonics Laboratory
L. Novotny: ETH Zürich, Photonics Laboratory
R. Quidant: ICFO-Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology, Castelldefels, Barcelona 08860, Spain

Nature Communications, 2017, vol. 8, issue 1, 1-7

Abstract: Abstract Nano-mechanical resonators have gained an increasing importance in nanotechnology owing to their contributions to both fundamental and applied science. Yet, their small dimensions and mass raises some challenges as their dynamics gets dominated by nonlinearities that degrade their performance, for instance in sensing applications. Here, we report on the precise control of the nonlinear and stochastic bistable dynamics of a levitated nanoparticle in high vacuum. We demonstrate how it can lead to efficient signal amplification schemes, including stochastic resonance. This work contributes to showing the use of levitated nanoparticles as a model system for stochastic bistable dynamics, with applications to a wide variety of fields.

Date: 2017
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DOI: 10.1038/ncomms15141

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