[in Chinese], [in Chinese]. Nonlinear Theory of Electromagnetically Induced Transparency[J]. Chinese Journal of Lasers, 1996, 23(4): 311
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The nonlinear behavior of electromapnetically induced transparency in an excitedstate doublet three-level atomic system has been studied.It is shown that although thetransparency to a probe field still persists at zero detuning,the dispersion of the mediumdecreases because of the nonlinear effect of the probe field,and the group velocity becomeslarger as the probe field intensity increases.