Quantum photonic frequency processor on thin-film lithium niobate
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arXiv
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| Autori principali: | , , , , , , , , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2026
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| _version_ | 1866912962987425792 |
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| author | Yang, Ran Zhou, Wei Guo, Dong-Jie Ke, Hong-Ming Tao, Linrunde Wei, Ying Duan, Jia-Chen Cui, Yu Jia, Kunpeng Xie, Zhenda Lin, Zhongjin Cai, Xinlun Gong, Yan-Xiao Zhu, Shi-Ning |
| author_facet | Yang, Ran Zhou, Wei Guo, Dong-Jie Ke, Hong-Ming Tao, Linrunde Wei, Ying Duan, Jia-Chen Cui, Yu Jia, Kunpeng Xie, Zhenda Lin, Zhongjin Cai, Xinlun Gong, Yan-Xiao Zhu, Shi-Ning |
| contents | The rapid development of photonic quantum information processing necessitates precise and programmable control over optical frequency, a capability critical not only for achieving photon indistinguishability but also for exploiting a virtually unbounded frequency dimension. However, efficient and scalable processing of frequency-encoded photon states remains challenging, primarily due to the limited nonlinear optical interaction in most photonic materials. Here, by harnessing the high-performance thin-film lithium niobate electro-optic (EO) platform, we demonstrate an integrated quantum photonic frequency processor that enables coherent and programmable control of photon frequency with high precision. We establish a scalable architecture for frequency-encoded quantum information processing. Using a fully integrated photonic chip, we realize a universal set of frequency-encoded quantum logic gates, including arbitrary single-qubit rotation gates and the two-qubit controlled-phase gate. Furthermore, we demonstrate its application in high fidelity characterization of frequency-bin entangled states. Our work reveals the unprecedented potential of utilizing the frequency degree of freedom in integrated quantum photonic systems. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_11471 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Quantum photonic frequency processor on thin-film lithium niobate Yang, Ran Zhou, Wei Guo, Dong-Jie Ke, Hong-Ming Tao, Linrunde Wei, Ying Duan, Jia-Chen Cui, Yu Jia, Kunpeng Xie, Zhenda Lin, Zhongjin Cai, Xinlun Gong, Yan-Xiao Zhu, Shi-Ning Quantum Physics Optics The rapid development of photonic quantum information processing necessitates precise and programmable control over optical frequency, a capability critical not only for achieving photon indistinguishability but also for exploiting a virtually unbounded frequency dimension. However, efficient and scalable processing of frequency-encoded photon states remains challenging, primarily due to the limited nonlinear optical interaction in most photonic materials. Here, by harnessing the high-performance thin-film lithium niobate electro-optic (EO) platform, we demonstrate an integrated quantum photonic frequency processor that enables coherent and programmable control of photon frequency with high precision. We establish a scalable architecture for frequency-encoded quantum information processing. Using a fully integrated photonic chip, we realize a universal set of frequency-encoded quantum logic gates, including arbitrary single-qubit rotation gates and the two-qubit controlled-phase gate. Furthermore, we demonstrate its application in high fidelity characterization of frequency-bin entangled states. Our work reveals the unprecedented potential of utilizing the frequency degree of freedom in integrated quantum photonic systems. |
| title | Quantum photonic frequency processor on thin-film lithium niobate |
| topic | Quantum Physics Optics |
| url | https://arxiv.org/abs/2603.11471 |