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| Autores principales: | , , , |
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| Formato: | Preprint |
| Publicado: |
2024
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| Materias: | |
| Acceso en línea: | https://arxiv.org/abs/2407.01133 |
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| _version_ | 1866929404712583168 |
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| author | Zhang, Lida Yang, Fan Mølmer, Klaus Pohl, Thomas |
| author_facet | Zhang, Lida Yang, Fan Mølmer, Klaus Pohl, Thomas |
| contents | We describe an approach to achieve near-perfect unidirectional light-matter coupling to an effective quantum emitter that is formed by a subwavelength array of atoms in the Rydberg-blockade regime. The nonlinear reflection and transmission of such two-dimensional superatoms are exploited in different interferometric setups for the deterministic generation of tunable single photons and entangling two-photon operations with high fidelities, $\mathcal{F}\gtrsim0.999$. The described setup can function as a versatile nonlinear optical element in a free-space photonic quantum network with simple linear elements and without the need of additional mode confinement, optical resonators, or optical isolators. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2407_01133 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Chiral Quantum-Optical Elements for Waveguide-QED with Sub-wavelength Rydberg-Atom Arrays Zhang, Lida Yang, Fan Mølmer, Klaus Pohl, Thomas Quantum Physics We describe an approach to achieve near-perfect unidirectional light-matter coupling to an effective quantum emitter that is formed by a subwavelength array of atoms in the Rydberg-blockade regime. The nonlinear reflection and transmission of such two-dimensional superatoms are exploited in different interferometric setups for the deterministic generation of tunable single photons and entangling two-photon operations with high fidelities, $\mathcal{F}\gtrsim0.999$. The described setup can function as a versatile nonlinear optical element in a free-space photonic quantum network with simple linear elements and without the need of additional mode confinement, optical resonators, or optical isolators. |
| title | Chiral Quantum-Optical Elements for Waveguide-QED with Sub-wavelength Rydberg-Atom Arrays |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2407.01133 |