| Autor: |
Zhang, Xueying, Zhang, Bin, Wei, Shihai, Li, Hao, Liao, Jinyu, Zhou, Tao, Deng, Guangwei, Wang, You, Song, Haizhi, You, Lixing, Fan, Boyu, Fan, Yunru, Chen, Feng, Guo, Guangcan, Zhou, Qiang |
| Rok vydání: |
2024 |
| Předmět: |
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| Druh dokumentu: |
Working Paper |
| Popis: |
Light-matter interface is an important building block for long-distance quantum networks. Towards a scalable quantum network with high-rate quantum information processing, it requires to develop integrated light-matter interfaces with broadband and multiplexing capacities. Here we demonstrate a light-matter interface at telecom band in an integrated system. A five-spectral-channel atomic-frequency-comb photonic memory is prepared on a laser-written Er3+:LiNbO3 chip. The bandwidth of each channel is 4 GHz with a channel spacing of 15 GHz. The signal photons from time-bin entangled photon pairs at telecom band are sent into the on-chip memory and recalled after a storage time of 152 ns. The entanglement-preserving nature of our integrated quantum interface is assessed by an input/output fidelity of >92% for all the five spectral channels. Our light-matter interfaces constitute a notable step forward toward a high-rate quantum network involving integrated device. |
| Databáze: |
arXiv |
| Externí odkaz: |
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