Tunable quantum router with giant atoms, implementing quantum gates, teleportation, non-reciprocity, and circulators
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arXiv
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| Main Authors: | , , , , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866909408127090688 |
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| author | Gong, Rui-Yang He, Zi-Yu Yu, Cheng-He Zhang, Ge-Fei Nori, Franco Xiang, Ze-Liang |
| author_facet | Gong, Rui-Yang He, Zi-Yu Yu, Cheng-He Zhang, Ge-Fei Nori, Franco Xiang, Ze-Liang |
| contents | The unique photon-scattering phenomena of giant-atom systems offer a novel paradigm for exploring innovative quantum optics phenomena and applications. Here, we investigate a giant-atom configuration embedded in a dual-rail waveguide, whose scattering behavior is analytically derived based on a four-port model and affected by both waveguide-induced and interatomic interaction phases. One can modulate these phases to achieve targeted routing and non-reciprocal scattering of photons. Furthermore, using such a configuration, we propose quantum applications such as quantum storage, path-encoded quantum gates (e.g., CNOT gate), quantum teleportation, and quantum circulators. This configuration can be implemented with state-of-the-art solid-state quantum systems, enabling a wide range of quantum applications and facilitating the development of quantum networks. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2411_19307 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Tunable quantum router with giant atoms, implementing quantum gates, teleportation, non-reciprocity, and circulators Gong, Rui-Yang He, Zi-Yu Yu, Cheng-He Zhang, Ge-Fei Nori, Franco Xiang, Ze-Liang Quantum Physics The unique photon-scattering phenomena of giant-atom systems offer a novel paradigm for exploring innovative quantum optics phenomena and applications. Here, we investigate a giant-atom configuration embedded in a dual-rail waveguide, whose scattering behavior is analytically derived based on a four-port model and affected by both waveguide-induced and interatomic interaction phases. One can modulate these phases to achieve targeted routing and non-reciprocal scattering of photons. Furthermore, using such a configuration, we propose quantum applications such as quantum storage, path-encoded quantum gates (e.g., CNOT gate), quantum teleportation, and quantum circulators. This configuration can be implemented with state-of-the-art solid-state quantum systems, enabling a wide range of quantum applications and facilitating the development of quantum networks. |
| title | Tunable quantum router with giant atoms, implementing quantum gates, teleportation, non-reciprocity, and circulators |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2411.19307 |