Generation of four-photon GHZ states based on interaction between a four-level atom and two bimodal cavities

Deng-yu ZHANG; Shi-qing TANG; Xin-wen WANG; Li-jun XIE; Xiao-gui ZHAN; Yin-hua CHEN

doi:10.1007/s11801-012-1053-z

Journals >Optoelectronics Letters >Volume 8 >Issue 2 >Page 150 > Article

Optoelectronics Letters
Vol. 8, Issue 2, 150 (2012)

Generation of four-photon GHZ states based on interaction between a four-level atom and two bimodal cavities

Deng-yu ZHANG^*, Shi-qing TANG, Xin-wen WANG, Li-jun XIE, Xiao-gui ZHAN, and Yin-hua CHEN

Author Affiliations

Department of Physics and Electronic Information Science, Hengyang Normal University, Hengyang 421008, China

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DOI: 10.1007/s11801-012-1053-z Cite this Article

ZHANG Deng-yu, TANG Shi-qing, WANG Xin-wen, XIE Li-jun, ZHAN Xiao-gui, CHEN Yin-hua. Generation of four-photon GHZ states based on interaction between a four-level atom and two bimodal cavities[J]. Optoelectronics Letters, 2012, 8(2): 150 Copy Citation Text

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Abstract

A simple scheme is presented for generating four-photon Greenberger-Horne-Zeilinger (GHZ) states with interaction between a four-level atom and two bimodal cavities. In the proposed protocol, the quantum information is encoded on Fock states of the cavity fields. The detection of the atom can collapse the cavity to the desired state. The experimental feasibility of our proposal is also discussed.

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