Photonic Networking of Quantum Memories in High-Dimensions
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arXiv
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| Main Authors: | , , , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866913844327088128 |
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| author | Shalaev, Mikhail Saha, Sagnik Toh, George Goetting, Isabella Kalakuntla, Ashish Shi, Harriet Bufan O'Reilly, Jameson Yu, Yichao Monroe, Christopher |
| author_facet | Shalaev, Mikhail Saha, Sagnik Toh, George Goetting, Isabella Kalakuntla, Ashish Shi, Harriet Bufan O'Reilly, Jameson Yu, Yichao Monroe, Christopher |
| contents | Quantum networking enables the exchange of quantum information between physically separated quantum systems, which has applications ranging from quantum computing to unconditionally secure communication. Such quantum information is generally represented by two-level quantum systems or qubits. Here, we demonstrate a quantum network of high-dimensional (HD) quantum memories or ``qudits" stored in individual atoms. The interference and detection of HD time-bin encoded single photons emitted from atomic qudit memories heralds maximally-entangled Bell states across pairs of atomic qudit levels. This approach expands the quantum information capacity of a quantum network while improving the entanglement success fraction beyond the standard 50\% limit of qubit-based measurement protocols. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2505_11704 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Photonic Networking of Quantum Memories in High-Dimensions Shalaev, Mikhail Saha, Sagnik Toh, George Goetting, Isabella Kalakuntla, Ashish Shi, Harriet Bufan O'Reilly, Jameson Yu, Yichao Monroe, Christopher Quantum Physics Atomic Physics Quantum networking enables the exchange of quantum information between physically separated quantum systems, which has applications ranging from quantum computing to unconditionally secure communication. Such quantum information is generally represented by two-level quantum systems or qubits. Here, we demonstrate a quantum network of high-dimensional (HD) quantum memories or ``qudits" stored in individual atoms. The interference and detection of HD time-bin encoded single photons emitted from atomic qudit memories heralds maximally-entangled Bell states across pairs of atomic qudit levels. This approach expands the quantum information capacity of a quantum network while improving the entanglement success fraction beyond the standard 50\% limit of qubit-based measurement protocols. |
| title | Photonic Networking of Quantum Memories in High-Dimensions |
| topic | Quantum Physics Atomic Physics |
| url | https://arxiv.org/abs/2505.11704 |