Abstract
Analytical and numerical investigations are carried out of the effect of spontaneous decay through operating transition on the shape of a resonance in the work of a probe field under a strong field applied to the transition. A narrow nonlinear resonance arising on transitions with long-living lower level in the work of a probe field can manifest itself in the form of a traditional minimum and a peak as a function of the first Einstein coefficient for the operating transition. The transformation of the resonance from a minimum to a peak is attributed to the specific character of relaxation of lower-level population beatings on a closed or almost closed transition (the decay of the upper level occurs completely or almost completely through the operating transition).
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Original Russian Text © E.G. Saprykin, A.A. Chernenko, A.M. Shalagin, 2016, published in Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2016, Vol. 150, No. 2, pp. 238–245.
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Saprykin, E.G., Chernenko, A.A. & Shalagin, A.M. Role of spontaneous emission through operating transition in probe-field spectroscopy of two-level systems. J. Exp. Theor. Phys. 123, 205–211 (2016). https://doi.org/10.1134/S1063776116060182
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DOI: https://doi.org/10.1134/S1063776116060182