Memory-Assisted Nonlocal Interferometer Towards Long-Baseline Telescopes
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arXiv
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| Main Authors: | , , , , , , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
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| _version_ | 1866909901885800448 |
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| author | Wang, Bin Luo, Xi-Yu Gao, Bo-Feng Liu, Jian-Long Wang, Chao-Yang Yan, Zi Ke, Qiao-Mu Teng, Da Zheng, Ming-Yang Cao, Yuan Li, Jun Peng, Cheng-Zhi Zhang, Qiang Bao, Xiao-Hui Pan, Jian-Wei |
| author_facet | Wang, Bin Luo, Xi-Yu Gao, Bo-Feng Liu, Jian-Long Wang, Chao-Yang Yan, Zi Ke, Qiao-Mu Teng, Da Zheng, Ming-Yang Cao, Yuan Li, Jun Peng, Cheng-Zhi Zhang, Qiang Bao, Xiao-Hui Pan, Jian-Wei |
| contents | Quantum networks and remote quantum entanglement serve as vital future quantum communication resources with broad applicability. A key direction lies in extending the baseline of optical interferometers to enhance angular resolution in interferometric imaging. Here, by measuring a simulated thermal light field, we report the demonstration of a memory-assisted nonlocal interferometer achieving a fiber-link baseline up to 20 km while simultaneously showing its capability to compensate for a geometric delay equivalent to 1.5 km. This result demonstrates potential for enhancing the angular resolution of interferometric imaging in the optical band with delocalized single-photon entanglement, and paves the way for future application of quantum memories in astronomical observation. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_10988 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Memory-Assisted Nonlocal Interferometer Towards Long-Baseline Telescopes Wang, Bin Luo, Xi-Yu Gao, Bo-Feng Liu, Jian-Long Wang, Chao-Yang Yan, Zi Ke, Qiao-Mu Teng, Da Zheng, Ming-Yang Cao, Yuan Li, Jun Peng, Cheng-Zhi Zhang, Qiang Bao, Xiao-Hui Pan, Jian-Wei Quantum Physics Optics Quantum networks and remote quantum entanglement serve as vital future quantum communication resources with broad applicability. A key direction lies in extending the baseline of optical interferometers to enhance angular resolution in interferometric imaging. Here, by measuring a simulated thermal light field, we report the demonstration of a memory-assisted nonlocal interferometer achieving a fiber-link baseline up to 20 km while simultaneously showing its capability to compensate for a geometric delay equivalent to 1.5 km. This result demonstrates potential for enhancing the angular resolution of interferometric imaging in the optical band with delocalized single-photon entanglement, and paves the way for future application of quantum memories in astronomical observation. |
| title | Memory-Assisted Nonlocal Interferometer Towards Long-Baseline Telescopes |
| topic | Quantum Physics Optics |
| url | https://arxiv.org/abs/2511.10988 |