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arXiv · 1111.2415

Opto- and electro-mechanical entanglement improved by modulation

A. Mari·J. Eisert
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Abstract

One of the main milestones in the study of opto- and electro-mechanical systems is to certify entanglement between a mechanical resonator and an optical or microwave mode of a cavity field. In this work, we show how a suitable time-periodic modulation can help to achieve large degrees of entanglement, building upon the framework introduced in [Phys. Rev. Lett. 103, 213603 (2009)]. It is demonstrated that with suitable driving, the maximum degree of entanglement can be significantly enhanced, in a way exhibiting a non-trivial dependence on the specifics of the modulation. Such time-dependent driving might help experimentally achieving entangled mechanical systems also in situations when quantum correlations are otherwise suppressed by thermal noise.

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A. Mari, J. Eisert. 2011-11-10. Opto- and electro-mechanical entanglement improved by modulation. https://doi.org/10.1088/1367-2630%2F14%2F7%2F075014

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