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  • Received: Dec. 6, 2002

    Accepted: --

    Posted: May. 1, 2003

    Published Online: Jun. 6, 2006

    The Author Email: Shan Yang (


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    Shan Yang, Ye Kuang. Study on three level system population transfer[J]. Chinese Optics Letters, 2003, 1(5): 05253

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Chinese Optics Letters, Vol. 1, Issue 5, 05253 (2003)

Study on three level system population transfer

Shan Yang*and Ye Kuang

Author Affiliations

  • Applied Physics Department, Sichuan University, Chengdu 610065


Stimulated-Raman-adiabatic-passage (STIRAP) process provides an effective technique to transfer electron population from an initial state (e.g. ground state) to excited final state for both atoms and molecules. In this paper, we present the results of the study on electron population transfer in three level system. We have analyzed the effects of various conditions on the transfer process, such as the time delay of the two laser beams, two-photon off-resonance, one-photon off-resonance and the change of relative laser intensity. The numerical result is compared with experiment, and the reasons for the effects are also given.