Strong single-photon to two-photon bundles emission in spin-1 Jaynes-Cummings model

• URL: http://arxiv.org/abs/2209.13390v1
• Date: Tue, 27 Sep 2022 13:52:41 GMT
• Title: Strong single-photon to two-photon bundles emission in spin-1 Jaynes-Cummings model
• Authors: Jing Tang and Yuangang Deng
• Abstract summary: We study the nonclassical photon emission in a single spin-1 atom coupled to an optical cavity with constructing a spin-1 Jaynes-Cummings model. The photon emission exhibit high-quality single photon and two-photon bundles properties with large photon numbers in the cavity and atom driven cases.
• Score: 3.230778132936486
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: The realization of high-quality special nonclassical states beyond strong single atom-cavity coupling regime is a fundamental element in quantum information science. Here, we study the nonclassical photon emission in a single spin-1 atom coupled to an optical cavity with constructing a spin-1 Jaynes-Cummings model. By tuning quadratic Zeeman shift, the energy-spectrum anharmonicity can be significantly enhanced with respect to the dressed-state splitting of well-resolved n-photon resonance largely increased. The photon emission exhibit high-quality single photon and two-photon bundles properties with large photon numbers in the cavity and atom driven cases, respectively. More interestingly, nonclassical optical switching from strong single-photon blockade to two-photon bundles and super-Poissonian photon emission is achieved and highly controllable by light-cavity detuning in the presence of both atom and cavity driven fields. Our proposal not only open up a new avenue for generating high-quality n-photon sources but also provide versatile applications in quantum networks and quantum metrology.

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