Abstract
We study the absorption and dispersion properties of a weak tunable probe field in a four-level Y-type atomic system driven by two strong laser (coupling) fields within the framework of density matrix formalism. It is found that the probe absorption profile displays double-electromagnetically induced transparency (double-EIT) and it is shown how to control it by changing the Rabi frequencies as well as the atom field detuning of the coupling fields.
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Safari, L., Iablonskyi, D. & Fratini, F. Double-electromagnetically induced transparency in a Y-type atomic system. Eur. Phys. J. D 68, 27 (2014). https://doi.org/10.1140/epjd/e2013-40563-9
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DOI: https://doi.org/10.1140/epjd/e2013-40563-9