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Bipartite Entanglement in Optomechanical Cavities Driven by Squeezed Light

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Abstract

We investigate the stationary bipartite entanglement in a useful hybrid optomechanical system, which is constituted of two coupled-cavity optomechanics through a photon hopping process and both are driven by squeezed light. The transfer of correlations from an entangled light source to optomechanical cavities is explored. It is found that the generation of bipartite entanglement and entanglement transfer depend strongly on photon hopping strength and the matching of the input squeezed modes to the cavity modes. It is revealed that the generated stationary bipartite entanglement due to squeezed light that drives the cavities is robust against the thermal fluctuations. The fidelity of a coherent state of the optical modes is explored and it is shown that it offered interesting conditions on the stability of the system, which are the same for entanglement generation.

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Acknowledgements

The researchers acknowledge the deanship of Scientific Research at Imam Mohammad Ibn Saud Islamic University (IMSIU), Saudi Arabia, for financing this project under grant no. (381213)

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    Smail Bougouffa & Mohannad Al-Hmoud

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Bougouffa, S., Al-Hmoud, M. Bipartite Entanglement in Optomechanical Cavities Driven by Squeezed Light. Int J Theor Phys 59, 1699–1716 (2020). https://doi.org/10.1007/s10773-020-04437-w

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