Realization of a multinode quantum network of remote solid-state qubits

被引：391

作者：

Pompili, M. ^{[1
,2
]}

Hermans, S. L. N. ^{[1
,2
]}

Baier, S. ^{[1
,2
,3
]}

Beukers, H. K. C. ^{[1
,2
]}

Humphreys, P. C. ^{[1
,2
,4
]}

Schouten, R. N. ^{[1
,2
]}

Vermeulen, R. F. L. ^{[1
,2
]}

Tiggelman, M. J. ^{[1
,2
,5
]}

Martins, L. dos Santos ^{[1
,2
]}

Dirkse, B. ^{[1
,2
]}

Wehner, S. ^{[1
,2
]}

Hanson, R. ^{[1
,2
]}

机构：

[1] Delft Univ Technol, QuTech, NL-2628 CJ Delft, Netherlands

[2] Delft Univ Technol, Kavli Inst Nanosci, NL-2628 CJ Delft, Netherlands

[3] Univ Innsbruck, Inst Expt Phys, Technikerstr 25, A-6020 Innsbruck, Austria

[4] DeepMind, London, England

[5] QBlox, NL-2628 CJ Delft, Netherlands

来源：

SCIENCE | 2021年 / 372卷 / 6539期

基金：

欧洲研究理事会; 欧盟地平线“2020”; 美国国家科学基金会;

关键词：

HERALDED ENTANGLEMENT; ATOMS;

D O I：

10.1126/science.abg1919

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The distribution of entangled states across the nodes of a future quantum internet will unlock fundamentally new technologies. Here, we report on the realization of a three-node entanglement-based quantum network. We combine remote quantum nodes based on diamond communication qubits into a scalable phase-stabilized architecture, supplemented with a robust memory qubit and local quantum logic. In addition, we achieve real-time communication and feed-forward gate operations across the network. We demonstrate two quantum network protocols without postselection: the distribution of genuine multipartite entangled states across the three nodes and entanglement swapping through an intermediary node. Our work establishes a key platform for exploring, testing, and developing multinode quantum network protocols and a quantum network control stack.

引用

页码：259 / +

页数：38

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