Quantum repeaters with photon pair sources and multimode memories

被引：451
|
作者：
Simon, Christoph [1 ]
de Riedmatten, Hugues [1 ]
Afzelius, Mikael [1 ]
Sangouard, Nicolas [1 ]
Zbinden, Hugo [1 ]
Gisin, Nicolas [1 ]
机构：
[1] Univ Geneva, Appl Phys Grp, CH-1211 Geneva 4, Switzerland
来源：
PHYSICAL REVIEW LETTERS | 2007年 / 98卷 / 19期
关键词：
D O I：
10.1103/PhysRevLett.98.190503
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We propose a quantum repeater protocol which builds on the well-known Duan-Lukin-Cirac-Zoller (DLCZ) protocol [L. M. Duan, M. D. Lukin, J. I. Cirac, and P. Zoller, Nature (London) 414, 413 (2001)], but which uses photon pair sources in combination with memories that allow to store a large number of temporal modes. We suggest to realize such multimode memories based on the principle of photon echo, using solids doped with rare-earth-metal ions. The use of multimode memories promises a speedup in entanglement generation by several orders of magnitude and a significant reduction in stability requirements compared to the DLCZ protocol.
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页数：4
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