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Quantum Information Processing

, Volume 12, Issue 1, pp 449–457 | Cite as

A scheme for generating a multi-photon NOON state based on cavity QED

  • Xiao-Qi Xiao
  • Jun Zhu
  • Guangqiang He
  • Guihua Zeng
Article

Abstract

A scheme for generating the two-mode maximally path-entangled state of multi-photon, i.e., the so-called NOON state, through use of cavity QED techniques is proposed. In the present scheme, the entanglement between two spatial modes is established by guiding a laser pulse through a single atom cavity firstly, and then is transferred to the entanglement of the fields of the two cavities. The multi-photon state is generated in either one of the cavities via the strong atom-light interaction stimulated by the laser pulse adiabatically. Consequently, the desired optical NOON state is obtained.

Keywords

Controlled SWAP gate Stimulated Raman adiabatic passage Multi-photon NOON state 

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Copyright information

© Springer Science+Business Media, LLC 2012

Authors and Affiliations

  • Xiao-Qi Xiao
    • 1
  • Jun Zhu
    • 1
  • Guangqiang He
    • 1
  • Guihua Zeng
    • 1
  1. 1.State Key Laboratory of Advanced Optical Communication Systems and Networks, Key Laboratory on Navigation and Location-based Service, Department of Electronic EngineeringShanghai Jiaotong UniversityShanghaiChina

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