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Spontaneous emission from a Λ-type atom in anisotropic photonic crystal

Huang Xian-Shan Xie Shuang-Yuan Yang Ya-Ping

Spontaneous emission from a Λ-type atom in anisotropic photonic crystal

Huang Xian-Shan, Xie Shuang-Yuan, Yang Ya-Ping
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  • Abstract views:  3374
  • PDF Downloads:  875
  • Cited By: 0
Publishing process
  • Received Date:  04 March 2005
  • Accepted Date:  04 July 2005
  • Published Online:  05 January 2006

Spontaneous emission from a Λ-type atom in anisotropic photonic crystal

  • 1. 同济大学物理系,上海 200092

Abstract: The spontaneous emission properties of a Λ_type atom embedded in anisotropic photonic crystals are investigated. We find that the dynamical properties of the atom and the propagating characteristics of the radiation field are obviously influenced by the relative position of the upper level from the forbidden gap and the space between the two lower levels. With the help of numerical calculation and theoretical analysis, we plot the evolution of the total radiation field and its components with the time. Furthermore, we also study the influence of photonic crystals on radiative properties of the atom by means of spontaneous emission spectrum.

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