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arXiv · 1605.04749

Floquet approach to bichromatically driven cavity optomechanical systems

Daniel Malz·Andreas Nunnenkamp
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Abstract

We develop a Floquet approach to solve time-periodic quantum Langevin equations in steady state. We show that two-time correlation functions of system operators can be expanded in a Fourier series and that a generalized Wiener-Khinchin theorem relates the Fourier transform of their zeroth Fourier component to the measured spectrum. We apply our framework to bichromatically driven cavity optomechanical systems, a setting in which mechanical oscillators have recently been prepared in quantum-squeezed states. Our method provides an intuitive way to calculate the power spectral densities for time-periodic quantum Langevin equations in arbitrary rotating frames.

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Daniel Malz, Andreas Nunnenkamp. 2016-05-16. Floquet approach to bichromatically driven cavity optomechanical systems. https://doi.org/10.1103/physreva.94.023803

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