Efficient Storage of Multidimensional Telecom Photons in a Solid-State Quantum Memory
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866913600622297088 |
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| author | Li, Zongfeng Lei, Yisheng Kling, Trevor Hosseini, Mahdi |
| author_facet | Li, Zongfeng Lei, Yisheng Kling, Trevor Hosseini, Mahdi |
| contents | Efficient storage of telecom-band quantum optical information represents a crucial milestone for establishing distributed quantum optical networks. Erbium ions in crystalline hosts provide a promising platform for telecom quantum memories; however, their practical applications have been hindered by demanding operational conditions, such as ultra-high magnetic fields and ultra-low temperatures. In this work, we demonstrate the storage of telecom photonic qubits encoded in polarization, frequency, and time-bin bases. Using the atomic frequency comb protocol in an Er$^{3+}$-doped crystal, we developed a memory initialization scheme that improves storage efficiency by over an order of magnitude under practical experimental conditions. Quantum process tomography further confirms the memory's performance, achieving a fidelity exceeding 92%. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2412_05480 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Efficient Storage of Multidimensional Telecom Photons in a Solid-State Quantum Memory Li, Zongfeng Lei, Yisheng Kling, Trevor Hosseini, Mahdi Quantum Physics Efficient storage of telecom-band quantum optical information represents a crucial milestone for establishing distributed quantum optical networks. Erbium ions in crystalline hosts provide a promising platform for telecom quantum memories; however, their practical applications have been hindered by demanding operational conditions, such as ultra-high magnetic fields and ultra-low temperatures. In this work, we demonstrate the storage of telecom photonic qubits encoded in polarization, frequency, and time-bin bases. Using the atomic frequency comb protocol in an Er$^{3+}$-doped crystal, we developed a memory initialization scheme that improves storage efficiency by over an order of magnitude under practical experimental conditions. Quantum process tomography further confirms the memory's performance, achieving a fidelity exceeding 92%. |
| title | Efficient Storage of Multidimensional Telecom Photons in a Solid-State Quantum Memory |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2412.05480 |