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In this manuscript, we investigate the enhancement of the transfer of quantumcorrelations from squeezed light to movable mirrors within an optomechanicalsystem. This enhancement was achieved via the injection of squeezed light inthe cavities and via intracavity squeezed light. We quantify the entanglementbetween mechanical oscillators via logarithmic negativity. We demonstrate thatentanglement is influenced by various factors, including the gain of theparametric amplifier, the squeezing parameter characterizing the squeezedlight, the rate of the phonon tunneling process, the coupling strength of thephoton hopping process and the bath temperature of the mechanical oscillators.We have shown that entanglement can be improved by a convenient choice ofcoupling strength in the case of the photon hopping process, as well as forspecified values of the gain of the parametric amplifier.

Enhancement of mirror-mirror entanglement with intracavity squeezed light and squeezed-vacuum injection