Quantum repeaters: From quantum networks to the quantum internet

被引:33
|
作者
Azuma, Koji [1 ,2 ]
Economou, Sophia E. [3 ]
Elkouss, David [4 ,5 ]
Hilaire, Paul [3 ,6 ]
Jiang, Liang [5 ]
Lo, Hoi-Kwong [7 ,8 ,9 ,10 ,11 ]
Tzitrin, Ilan [12 ]
机构
[1] NTT Corp, NTT Basic Res Labs, 3-1 Morinosato Wakamiya, Atsugi, Kanagawa 2430198, Japan
[2] NTT Corp, NTT Res Ctr Theoret Quantum Informat, 3-1 Morinosato-Wakamiya, Atsugi, Kanagawa 2430198, Japan
[3] Virginia Tech, Dept Phys, Blacksburg, VA 24061 USA
[4] Delft Univ Technol, QuTech, Lorentzweg 1, NL-2628 CJ Delft, Netherlands
[5] Grad Univ, Okinawa Inst Sci & Technol, Networked Quantum Devices Unit, Onna, Okinawa, Japan
[6] Quandela SAS, 10 Blvd Thomas Gobert, F-91120 Palaiseau, France
[7] Univ Chicago, Pritzker Sch Mol Engn, Chicago, IL 60637 USA
[8] Quantum Bridge Technol Inc, Dept Phys, Canada, 100 Coll St, Toronto, ON M5G 1L5, Canada
[9] Univ Hong Kong, Dept Phys, Pokfulam, Hong Kong, Peoples R China
[10] Univ Toronto, Ctr Quantum Informat & Quantum Control, Dept Phys, Toronto, ON M5S 3G4, Canada
[11] Univ Toronto, Dept Elect & Comp Engn, Toronto, ON M5S 3G4, Canada
[12] Univ Toronto, Dept Phys, Toronto, ON, Canada
基金
加拿大自然科学与工程研究理事会;
关键词
NITROGEN-VACANCY CENTERS; SINGLE INFRARED PHOTONS; KEY DISTRIBUTION; ENTANGLEMENT PURIFICATION; UNCONDITIONAL SECURITY; HERALDED ENTANGLEMENT; BIT COMMITMENT; OPTICAL PHOTON; DOT SPIN; NONDEMOLITION MEASUREMENT;
D O I
10.1103/RevModPhys.95.045006
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
A quantum internet is the holy grail of quantum information processing, enabling the deployment of a broad range of quantum technologies and protocols on a global scale. However, numerous challenges must be addressed before the quantum internet can become a reality. Perhaps the most crucial of these is the realization of a quantum repeater, an essential component in the long-distance transmission of quantum information. As the analog of a classical repeater, extender, or booster, the quantum repeater works to overcome loss and noise in the quantum channels constituting a quantum network. Here the conceptual frameworks and architectures for quantum repeaters, as well as the experimental progress toward their realization, are reviewed. Various near-term proposals to overcome the limits to the communication rates set by point-to-point quantum communication are also discussed. Finally, the manner in which quantum repeaters fit within the broader challenge of designing and implementing a quantum internet is overviewed.
引用
收藏
页数:66
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