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| Hauptverfasser: | , , , , , , |
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| Format: | Preprint |
| Veröffentlicht: |
2025
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| Schlagworte: | |
| Online-Zugang: | https://arxiv.org/abs/2512.07589 |
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| _version_ | 1866915944106819584 |
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| author | Hu, Ying Li, Sheng-Yong Chen, En-Qi Zhang, Jing Liu, Yu-xi Feng, Jia-Gui Peng, Zhihui |
| author_facet | Hu, Ying Li, Sheng-Yong Chen, En-Qi Zhang, Jing Liu, Yu-xi Feng, Jia-Gui Peng, Zhihui |
| contents | Single-photon sources are crucial for quantum information technologies. Here, we demonstrate a microwave single-photon source fabricated using a tantalum-based thin film, whose favorable material properties enable high-quality and stable photon emission. The antibunching behavior of the emitted radiation is revealed by second-order correlation measurements. Furthermore, traveling-wave parametric amplifiers are used as the pre-amplifier in the detection chains, we substantially improve the signal-to-noise ratio and thereby greatly reduce the acquisition time required for second-order correlation measurements. These results demonstrate the viability of tantalum-based superconducting devices as reliable platforms for microwave quantum photonics. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_07589 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | On-Demand Microwave Single-Photon Source Based on Tantalum Thin Film Hu, Ying Li, Sheng-Yong Chen, En-Qi Zhang, Jing Liu, Yu-xi Feng, Jia-Gui Peng, Zhihui Quantum Physics Single-photon sources are crucial for quantum information technologies. Here, we demonstrate a microwave single-photon source fabricated using a tantalum-based thin film, whose favorable material properties enable high-quality and stable photon emission. The antibunching behavior of the emitted radiation is revealed by second-order correlation measurements. Furthermore, traveling-wave parametric amplifiers are used as the pre-amplifier in the detection chains, we substantially improve the signal-to-noise ratio and thereby greatly reduce the acquisition time required for second-order correlation measurements. These results demonstrate the viability of tantalum-based superconducting devices as reliable platforms for microwave quantum photonics. |
| title | On-Demand Microwave Single-Photon Source Based on Tantalum Thin Film |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2512.07589 |