Large-scale cluster quantum microcombs
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arXiv
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| Auteurs principaux: | , , , , , , , , , , , , , |
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866912157425205248 |
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| author | Wang, Ze Li, Kangkang Wang, Yue Zhou, Xin Cheng, Yinke Jing, Boxuan Sun, Fengxiao Li, Jincheng Li, Zhilin Wu, Bingyan Gong, Qihuang He, Qiongyi Li, Bei-Bei Yang, Qi-Fan |
| author_facet | Wang, Ze Li, Kangkang Wang, Yue Zhou, Xin Cheng, Yinke Jing, Boxuan Sun, Fengxiao Li, Jincheng Li, Zhilin Wu, Bingyan Gong, Qihuang He, Qiongyi Li, Bei-Bei Yang, Qi-Fan |
| contents | An optical frequency comb comprises a cluster of equally spaced, phase-locked spectral lines. Replacing these classical components with correlated quantum light gives rise to cluster quantum frequency combs, providing abundant quantum resources for measurement-based quantum computation and multi-user quantum networks. We propose and generate cluster quantum microcombs within an on-chip optical microresonator driven by multi-frequency lasers. Through resonantly enhanced four-wave mixing processes, continuous-variable cluster states with 60 qumodes are deterministically created. The graph structures can be programmed into one- and two-dimensional lattices by adjusting the configurations of the pump lines, which are confirmed inseparable based on the measured covariance matrices. Our work demonstrates the largest-scale cluster states with unprecedented raw squeezing levels from a photonic chip, offering a compact and scalable platform for computational and communicational tasks with quantum advantages. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2406_10715 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Large-scale cluster quantum microcombs Wang, Ze Li, Kangkang Wang, Yue Zhou, Xin Cheng, Yinke Jing, Boxuan Sun, Fengxiao Li, Jincheng Li, Zhilin Wu, Bingyan Gong, Qihuang He, Qiongyi Li, Bei-Bei Yang, Qi-Fan Optics Quantum Physics An optical frequency comb comprises a cluster of equally spaced, phase-locked spectral lines. Replacing these classical components with correlated quantum light gives rise to cluster quantum frequency combs, providing abundant quantum resources for measurement-based quantum computation and multi-user quantum networks. We propose and generate cluster quantum microcombs within an on-chip optical microresonator driven by multi-frequency lasers. Through resonantly enhanced four-wave mixing processes, continuous-variable cluster states with 60 qumodes are deterministically created. The graph structures can be programmed into one- and two-dimensional lattices by adjusting the configurations of the pump lines, which are confirmed inseparable based on the measured covariance matrices. Our work demonstrates the largest-scale cluster states with unprecedented raw squeezing levels from a photonic chip, offering a compact and scalable platform for computational and communicational tasks with quantum advantages. |
| title | Large-scale cluster quantum microcombs |
| topic | Optics Quantum Physics |
| url | https://arxiv.org/abs/2406.10715 |