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Journal Article

Nonlinear Radiation Pressure Dynamics in an Optomechanical Crystal

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Marquardt,  Florian
Marquardt Group, Associated Groups, Max Planck Institute for the Science of Light, Max Planck Society;

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Painter,  Oskar
Painter Research Group, Research Groups, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Krause, A. G., Hill, J. T., Ludwig, M., Safavi-Naeini, A. H., Chan, J., Marquardt, F., et al. (2015). Nonlinear Radiation Pressure Dynamics in an Optomechanical Crystal. PHYSICAL REVIEW LETTERS, 115(23): 233601. doi:10.1103/PhysRevLett.115.233601.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-633C-5
Abstract
Utilizing a silicon nanobeam optomechanical crystal, we investigate the attractor diagram arising from the radiation pressure interaction between a localized optical cavity at lambda(c) = 1542 nm and a mechanical resonance at omega(m)/2 pi = 3.72 GHz. At a temperature of T-b approximate to 10 K, highly nonlinear driving of mechanical motion is observed via continuous wave optical pumping. Introduction of a time-dependent (modulated) optical pump is used to steer the system towards an otherwise inaccessible dynamically stable attractor in which mechanical self-oscillation occurs for an optical pump red detuned from the cavity resonance. An analytical model incorporating thermo-optic effects due to optical absorption heating is developed and found to accurately predict the measured device behavior.