Polarization-selective quantum cooperative response in dual-species atom arrays
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arXiv
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| Auteurs principaux: | , , , , , , |
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| Format: | Preprint |
| Publié: |
2026
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| _version_ | 1866915856067330048 |
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| author | Wang, Huan Zhu, Shangguo Long, Yun Zhang, Fei Guo, Yinghui Pu, Mingbo Luo, Xiangang |
| author_facet | Wang, Huan Zhu, Shangguo Long, Yun Zhang, Fei Guo, Yinghui Pu, Mingbo Luo, Xiangang |
| contents | Atom arrays have emerged as a powerful platform for quantum light-matter interfaces, yet single-species arrays are constrained by in-plane symmetry, restricting polarization control. Here we investigate the cooperative optical response of dual-species subwavelength atom arrays, in which intrinsic polarizability difference breaks in-plane symmetry. By engineering the lattice constants and detunings, the arrays exhibit polarization-dependent subradiant modes, enabling complete reflection of a specific polarization component. Leveraging this mechanism, we assemble array units as functional pixels and demonstrate a scalable polarization-selective quantum light modulator. Our work establishes a dynamically reconfigurable atomic-photonic platform for versatile subwavelength quantum optical elements. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2602_23237 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Polarization-selective quantum cooperative response in dual-species atom arrays Wang, Huan Zhu, Shangguo Long, Yun Zhang, Fei Guo, Yinghui Pu, Mingbo Luo, Xiangang Quantum Physics Quantum Gases Atomic Physics Optics Atom arrays have emerged as a powerful platform for quantum light-matter interfaces, yet single-species arrays are constrained by in-plane symmetry, restricting polarization control. Here we investigate the cooperative optical response of dual-species subwavelength atom arrays, in which intrinsic polarizability difference breaks in-plane symmetry. By engineering the lattice constants and detunings, the arrays exhibit polarization-dependent subradiant modes, enabling complete reflection of a specific polarization component. Leveraging this mechanism, we assemble array units as functional pixels and demonstrate a scalable polarization-selective quantum light modulator. Our work establishes a dynamically reconfigurable atomic-photonic platform for versatile subwavelength quantum optical elements. |
| title | Polarization-selective quantum cooperative response in dual-species atom arrays |
| topic | Quantum Physics Quantum Gases Atomic Physics Optics |
| url | https://arxiv.org/abs/2602.23237 |