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Residual Doppler Effect on Electromagnetically Induced Transparency in a Zeeman Sublevel System
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We investigate the residual Doppler effect on the linewidth of electromagnetieally induced transparency (EIT) in a Zeeman sublevel system where a careful experimental design ensures the smallest measurement error. The overall measurement error of the EIT linewidth is estimated to be less than 5%. We present the linear dependence of EIT resonance broadening at small angular deviation in detail. The theoretical analysis exploits the dependence of this feature and shows the qualitative agreement between numerical results and experimental results. 相似文献
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This paper investigates the breaking point between fast-
and slow-light in a degenerate two-level atomic system, where
fast-light can be converted to slow-light arbitrarily on a single
transition line by adjusting the strength of the pumping field. An
equivalent incoherent pumping rate is introduced in this simplified
theoretical model which exploits the dependence of this feature. The
experimental observation is presented as evidence of the breaking
point where the injected power is about 0.08~{\rm mW}. 相似文献
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