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Fig. 1 | SpringerPlus

Fig. 1

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

Fig. 1

(Color online) (a) A Λ-type three-level atom interacting with two electromagnetic fields with frequencies \(\nu_{1}\) and \(\nu_{2}\). The red spot is an ensemble of atoms trapped and strongly coupled with the quantum cavity. The quantized probe photons are passed through the cavity and counted by D1 after interaction with the ensemble of atoms (Khademi et al. 2015)

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