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- Title
Quantum-entanglement storage and extraction in quantum network node.
- Authors
Shan, ZhuoYu; Zhang, Yong
- Abstract
Quantum computing and quantum communication have become the most popular research topic. Nitrogen-vacancy (NV) centers in diamond have been shown the great advantage of implementing quantum information processing. The generation of entanglement between NV centers represents a fundamental prerequisite for all quantum information technologies. In this paper, we propose a scheme to realize the high-fidelity storage and extraction of quantum entanglement information based on the NV centers at room temperature. We store the entangled information of a pair of entangled photons in the Bell state into the nuclear spins of two NV centers, which can make these two NV centers entangled. And then we illuminate how to extract the entangled information from NV centers to prepare on-demand entangled states for optical quantum information processing. The strategy of engineering entanglement demonstrated here maybe pave the way towards a NV center-based quantum network.
- Subjects
QUANTUM entanglement; QUANTUM optical phenomena; QUANTUM networks (Optics); PHOTONS; INFORMATION retrieval
- Publication
International Journal of Quantum Information, 2018, Vol 16, Issue 1, p-1
- ISSN
0219-7499
- Publication type
Article
- DOI
10.1142/S0219749918500090