Controlled dense coding using a five-atom cluster state in cavity QED

  • Authors:

  • Yi-You Nie;Yuan-Hua Li;Xian-Ping Wang;Ming-Huang Sang

  • Affiliations:

  • Department of physics, Jiangxi Normal University, Nanchang, China 330022 and Key Laboratory of Optoelectronic and Telecommunication of Jiangxi province, Nanchang, China 330022 and State Key Labora ...;Department of physics, Jiangxi Normal University, Nanchang, China 330022 and Key Laboratory of Optoelectronic and Telecommunication of Jiangxi province, Nanchang, China 330022;Department of physics, Jiangxi Normal University, Nanchang, China 330022;Department of physics, Jiangxi Normal University, Nanchang, China 330022

  • Venue:
  • Quantum Information Processing
  • Year:
  • 2013

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Abstract

We present a simple scheme for implementing controlled dense coding by using a five-atom cluster state. In cavity QED systems, we have proposed to generate a five-atom cluster state and demonstrated that the four-atom entangled states can be exactly distinguished. Thus our approach can be realized with present cavity QED techniques.