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Abstract
The weak probe field spectrum of a three-level atom, in the ladder configuration, is obtained. The lower transition of atom is coupled with squeezed vacuum, while the upper transition is coupled to coherent cavity mode and a bath. In this paper, the effect of the various quantities (detuning, decay rates) on the absorption spectrum is investigated.
Acknowledgements
We would like to thank Dr Naoum Bacalis of NHRF for his valuable help in various aspects during this work.