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Chin. Phys. B, 2008, Vol. 17(3): 789-793    DOI: 10.1088/1674-1056/17/3/009
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Generation of nonclassical states in a large detuning cavity

Zhang Ying-Jie(张英杰), Ren Ting-Qi(任廷琦), and Xia Yun-Jie(夏云杰)
epartment of Physics, Qufu Normal University, Qufu 273165,China
Abstract  By using the theory of cavity QED, we study the system in which a two-level atom interacts with a cavity in the case of large detuning. Through the selective detecting of atomic state, Schrödinger cat states and entangled coherent states are easily generated. When the atom is driven by a weak classical field and the cavity field is in the Schrödinger cat state, we study the conditions of generating the Fock states and the maximal success probability. The maximal success probability in our scheme is larger than the previous one.
Keywords:  quantum optics      the Fock state      Schr?dinger cat state      entangled coherent state  
Received:  12 June 2007      Revised:  10 October 2007      Accepted manuscript online: 
PACS:  42.50.Pq (Cavity quantum electrodynamics; micromasers)  
  02.50.Cw (Probability theory)  
  42.50.Dv (Quantum state engineering and measurements)  
Fund: Project supported by the National Science Foundation of China (Grant No 10774088), the Key Program of National Science Foundation of China (Grant No 10534030) and the Funds from Qufu Normal University, China (Grant No XJ0621).

Cite this article: 

Zhang Ying-Jie(张英杰), Ren Ting-Qi(任廷琦), and Xia Yun-Jie(夏云杰) Generation of nonclassical states in a large detuning cavity 2008 Chin. Phys. B 17 789

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