Multipartite entanglement purification for three-level trapped atom systems
Yu-Bo Sheng, Jiong Liu, and Sheng-Yang Zhao
TL;DR
This paper presents a protocol for purifying multipartite three-level atomic entangled states using photonic Faraday rotation, enabling higher fidelity entanglement for quantum information processing.
Contribution
It introduces a novel entanglement purification protocol leveraging photonic Faraday rotation to improve multipartite atomic entanglement fidelity.
Findings
Purification of multipartite three-level atomic entangled states achieved.
Protocol utilizes photonic Faraday rotation to implement CNOT gates.
Higher fidelity entangled states can be repeatedly obtained.
Abstract
We describe an entanglement purification protocol (EPP) for multipartite three-level atomic entangled pair using photonic Faraday rotation. In this EPP, the multipartite atomic entangled state can be purified with the help of some single photons. This protocol resorts to the photonic Faraday rotation to realize the function of the controlled-Not (CNOT) gate. The purified multipartite atomic entangled state can be retained and to be repeated to reach a higher fidelity.
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Taxonomy
TopicsQuantum Information and Cryptography · Quantum Mechanics and Applications · Cold Atom Physics and Bose-Einstein Condensates