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.

引用

页数：4

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