Generation and detection of large and robust entanglement between two different mechanical resonators in cavity optomechanics

J Li, IM Haghighi, N Malossi, S Zippilli… - New Journal of …, 2015 - iopscience.iop.org
New Journal of Physics, 2015iopscience.iop.org
We investigate a general scheme for generating, either dynamically or in the steady state,
continuous variable entanglement between two mechanical resonators with different
frequencies. We employ an optomechanical system in which a single optical cavity mode
driven by a suitably chosen two-tone field is coupled to the two resonators. Significantly
large mechanical entanglement can be achieved, which is extremely robust with respect to
temperature.
Abstract
We investigate a general scheme for generating, either dynamically or in the steady state, continuous variable entanglement between two mechanical resonators with different frequencies. We employ an optomechanical system in which a single optical cavity mode driven by a suitably chosen two-tone field is coupled to the two resonators. Significantly large mechanical entanglement can be achieved, which is extremely robust with respect to temperature.
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