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Photon-phonon squeezing and entanglement in a cavity optomechanical system with a flying atom

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Abstract

We study the quadrature squeezing and entanglement in a cavity optomechanical system (COMS). In our model, a flying atom sequentially passes through and interacts with the COMS and a Ramsey pulse zone, and subsequently the atomic state is detected. In this way, the photon-phonon squeezing and entanglement can be generated. The dynamic evolution of the squeezing and entanglement in the presence of losses are examined by using the master equation method.

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Acknowledgements

This work was supported by the National Natural Science Foundation of China (Grant Nos. 11574092, 61775062, 61378012, and 91121023), the National Basic Research Program of China (Grant No. 2013CB921804), and the Innovation Project of Graduate School of South China Normal University (Grant No. 2017LKXM020).

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Authors and Affiliations

  1. Guangdong Provincial Key Laboratory of Nanophotonic Functional Materials & Devices (SIPSE), and Guangdong Provincial Key Laboratory of Quantum Engineering & Quantum Materials, South China Normal University, Guangzhou, 510006, China

    Jun-Hao Liu, Yu-Bao Zhang, Ya-Fei Yu & Zhi-Ming Zhang

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  1. Jun-Hao Liu
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  2. Yu-Bao Zhang
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  3. Ya-Fei Yu
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  4. Zhi-Ming Zhang
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Correspondence to Zhi-Ming Zhang.

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Liu, JH., Zhang, YB., Yu, YF. et al. Photon-phonon squeezing and entanglement in a cavity optomechanical system with a flying atom. Front. Phys. 14, 12601 (2019). https://doi.org/10.1007/s11467-018-0861-4

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