Quantum Repeaters with Photon Pair Sources and Multimode Memories
Physical Review Letters 98(19)
Article 2007 English
Authors
CS
Christoph Simon
HR
Hugues de Riedmatten
MA
Mikael Afzelius
Abstract
1 min read
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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