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Fig. 3 | SpringerPlus

Fig. 3

From: A photon counting and a squeezing measurement method by the exact absorption and dispersion spectrum of Λ-type Atoms

Fig. 3

(Color online) The DAPs versus the number of coupling photons for WFA (solid blue line) and exact (dashed red line) methods; a for the large number of coupling photons, the WFA and exact methods are very similar, b for the large number of coupling photons, WFA and exact methods have a fine different result, c for the small number of coupling photons, WFA and exact methods have different results

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