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Quantum router modulated by two Rydberg atoms in a X-shaped coupled cavity array

  • Regular Article - Quantum Optics
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Abstract

We theoretically investigate the single-photon router using two Rydberg atoms embedded in a multi-channel coupled cavity arrays(CCAs) driven by a classical field. It is shown that when the Rydberg interaction is in the proper range, three kinds of photons with different frequencies are absorbed and the quantum routing can be achieved due to the spontaneous emission of the formed dressed states. The Rydberg interaction can also cause photons that are not originally in the energy range to be routed. Furthermore, the total reflection of the single photon is obtained because of the coherent resonance and the existence of the photonic bound states. Based on these characteristics, it is a feasible scheme to generate a multi-frequency photons router and it could be useful for designing the single-photon devices.

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Data Availability Statement

This manuscript has no associated data or the data will not be deposited or the data will not be deposited. [Authors’ comment: The data used to support the findings of this study are included within the article.]

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Acknowledgements

This work was supported by the National Natural Science Foundation of China under Grant No. 11874190.

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Authors and Affiliations

  1. Institute of Theoretical Physics, Lanzhou University, Lanzhou, 730000, China

    Xue-Peng Du, Qian Cao, Ning Dang & Lei Tan

  2. Key Laboratory for Magnetism and Magnetic Materials of the Ministry of Education, Lanzhou University, Lanzhou, 730000, China

    Lei Tan

Authors
  1. Xue-Peng Du
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  2. Qian Cao
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  3. Ning Dang
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  4. Lei Tan
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Correspondence to Lei Tan.

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Du, XP., Cao, Q., Dang, N. et al. Quantum router modulated by two Rydberg atoms in a X-shaped coupled cavity array. Eur. Phys. J. D 75, 79 (2021). https://doi.org/10.1140/epjd/s10053-021-00085-9

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