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Entangling Cavity Modes in a Double-Cavity Optomechanical System

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Abstract

We study entanglement of the cavity modes in a double-cavity optomechanical system in strong-coupling regime. The system is consist of two optomechanical systems coupled by a single photon hopping between them. With the radiation pressure of the photon, entanglement of the cavity modes can be generated. The average concurrence of the cavity modes is at least twice larger than that of the mechanical modes. Moreover, when we change the ratio between coupling strength and resonant frequency of mechanical modes, the entanglement in cavity and mechanical modes are influenced differently.

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Acknowledgments

We would like to express our gratitude to professor Dan M. Stamper-Kurn for his valuable discussion and advice to our work. This work is supported by the National Natural Science Foundation of China(No.11204088), Science and Technology Program of Guangzhou, China(No.201607010019), Science and Technology Planning Project of Guangdong Province, China(No.2015B010127004), the Fundamental Research Funds for the Central Universities, and SRP of South China University of Technology.

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  1. School of Physics and Optoelectronics, South China University of Technology, Guangzhou, 510640, China

    Dingshan Liu, Putong Wang, Ming Jin & Miao Yin

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  1. Dingshan Liu
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  2. Putong Wang
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  3. Ming Jin
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  4. Miao Yin
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Correspondence to Miao Yin.

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Liu, D., Wang, P., Jin, M. et al. Entangling Cavity Modes in a Double-Cavity Optomechanical System. Int J Theor Phys 57, 3381–3388 (2018). https://doi.org/10.1007/s10773-018-3851-y

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  • DOI: https://doi.org/10.1007/s10773-018-3851-y

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