Experimental realization of 105-qubit random access quantum memory

N. Jiang, Y.-F. Pu, W. Chang, C. Li, S. Zhang, L.-M. Duan · 2019 · npj Quantum Inf.

| 编号 QR016 | 主题 综述与物理基础 | 链接 arXiv:1904.09643 |

摘要

摘要保留原文（英文）

摘要取自 arXiv / 出版方元数据，未作翻译，以保证与原文一致。

Random access memory is an indispensable device for classical information technology. Analog to this, for quantum information technology, it is desirable to have a random access quantum memory with many memory cells and programmable access to each cell. We report an experiment that realizes a random access quantum memory of 105 qubits carried by 210 memory cells in a macroscopic atomic ensemble. We demonstrate storage of optical qubits into these memory cells and their read-out at programmable times by arbitrary orders with fidelities exceeding any classical bound. Experimental realization of a random access quantum memory with many memory cells and programmable control of its write-in and read-out makes an important step for its application in quantum communication, networking, and computation.

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