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- Title
Atomic entanglement purification using photonic Faraday rotation.
- Authors
Sheng, Yu-Bo; Zhao, Sheng-Yang; Liu, Jiong; Zhou, Lan
- Abstract
We describe an entanglement purification protocol (EPP) for atomic entangled pair using photonic Faraday rotation. Through the two single-photon input-output process in cavity quantum electrodynamics (QED), it is shown that the high-quality entangled atomic states can be obtained from the low-quality mixed entangled atomic states. Different from other EPPs, the two pairs of mixed states do not need to intact directly. As the photonic Faraday rotation works on the low-Q cavities, this EPP is useful in both quantum communication and computation.
- Subjects
QUANTUM entanglement; PHOTONICS; FARADAY effect; COMPUTER network protocols; QUANTUM electrodynamics; QUANTUM states; QUANTUM communication
- Publication
Quantum Information Processing, 2014, Vol 13, Issue 4, p881
- ISSN
1570-0755
- Publication type
Article
- DOI
10.1007/s11128-013-0698-2