Antibunching Properties of q-Deformed Coherent Light Field Interacting with a Cascade Three-Level Atom

  • A nonlinear theoretical model of interaction between q-deformed light field and a cascade three-level atom has been constructed. The formal solution of Schr\"{o}dinger equation in the interactive epresentation and the expectation value of the interaction on such a state are obtained. Then, the influence of q deformation on photon antibunching effects is studied by numerical calculation. The results show that the more q deviates from 1, the stronger controllability to antibunching effects the q deformation has. It reflects the effect of the nonlinear behavior of q deformation on quantum coherence and quantum properties. When q→1, the theory reduces to the normal linear theory.
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ZHANG Hui-Hui and ZHOU Xiao-Guang. Antibunching Properties of q-Deformed Coherent Light Field Interacting with a Cascade Three-Level Atom[J]. Chinese Physics C, 2007, 31(4): 337-340.
ZHANG Hui-Hui and ZHOU Xiao-Guang. Antibunching Properties of q-Deformed Coherent Light Field Interacting with a Cascade Three-Level Atom[J]. Chinese Physics C, 2007, 31(4): 337-340. shu
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Received: 2006-08-29
Revised: 2006-11-14
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Antibunching Properties of q-Deformed Coherent Light Field Interacting with a Cascade Three-Level Atom

    Corresponding author: ZHANG Hui-Hui,
  • Department of Engineering Optics, School of Information Science and Technology,Beijing Institute of Technology, Beijing 100081, China

Abstract: A nonlinear theoretical model of interaction between q-deformed light field and a cascade three-level atom has been constructed. The formal solution of Schr\"{o}dinger equation in the interactive epresentation and the expectation value of the interaction on such a state are obtained. Then, the influence of q deformation on photon antibunching effects is studied by numerical calculation. The results show that the more q deviates from 1, the stronger controllability to antibunching effects the q deformation has. It reflects the effect of the nonlinear behavior of q deformation on quantum coherence and quantum properties. When q→1, the theory reduces to the normal linear theory.

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