Robust and scalable scheme to generate multipartite atom–photon and atom–atom entangled W states by interference

A robust and scalable scheme for generating atom-photon and atom-atom entangled W states is proposed by using the interference effect of the polarized photons leaking out of the spatially separated cavities. Each of the atoms is trapped separately in a remote optical cavity, and the possible spontan...

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Published in:Journal of the Optical Society of America. B, Optical physics Optical physics, 2012-02, Vol.29 (2), p.257-261
Main Authors: Wang, Hong-Fu, Zhang, Shou, Yi, X. X., Ji, Xin, Yeon, Kyu-Hwang
Format: Article
Language:English
Subjects:
Americas
Channels
Coherence
Excitation
Holes
Interference
Photons
Spontaneous
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description A robust and scalable scheme for generating atom-photon and atom-atom entangled W states is proposed by using the interference effect of the polarized photons leaking out of the spatially separated cavities. Each of the atoms is trapped separately in a remote optical cavity, and the possible spontaneous channels induced by the excited atoms lead to the coherent superposition between atoms and photon, which is an important step toward long-distance and long-range quantum networking with individual atoms. The scalability is ensured in the sepse that an arbitrarily large multiqubit atom-photon and atom-atom entangled W state can be generated with certain success probabilities.
doi_str_mv 10.1364/JOSAB.29.000257
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source Jisc-Optica Publishing Group Read & Publish Agreement 2022-2024 – E Combination 1
subjects Americas
Channels
Coherence
Excitation
Holes
Interference
Photons
Spontaneous
title Robust and scalable scheme to generate multipartite atom–photon and atom–atom entangled W states by interference
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