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Erschienen in: Quantum Information Processing 8/2013

01.08.2013

Realization of nondestructive multi-atom cluster state analyzer via the cavity input–output process

verfasst von: Long Zhu, Shi-Lei Su, Qi Guo, Liu-Yong Cheng, Hong-Fu Wang, Shou Zhang

Erschienen in: Quantum Information Processing | Ausgabe 8/2013

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Abstract

We propose a deterministic scheme to realize four-atom and five-atom cluster state analyzers based on the cavity input–output process. In the scheme, we construct a multi-qubit parity analyzer and two cluster state phase analyzers and show that all the orthogonal multi-atom cluster states can be completely identified in a nondestructive way by combining these two kinds of analyzers. The fidelities of analyzers are also calculated, which show that our scheme has a high performance in the intermediate coupling region. Furthermore, the scheme opens promising perspectives for large-scale Bell-state-measurement-based and cluster-state-measurement-based quantum communication and quantum information processing networks.

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Metadaten
Titel
Realization of nondestructive multi-atom cluster state analyzer via the cavity input–output process
verfasst von
Long Zhu
Shi-Lei Su
Qi Guo
Liu-Yong Cheng
Hong-Fu Wang
Shou Zhang
Publikationsdatum
01.08.2013
Verlag
Springer US
Erschienen in
Quantum Information Processing / Ausgabe 8/2013
Print ISSN: 1570-0755
Elektronische ISSN: 1573-1332
DOI
https://doi.org/10.1007/s11128-013-0556-2

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