Abstract
We report the measured dressed lifetimes of fourth-order fluorescence and spontaneous parametric four-wave mixing signals by the perturbation chain method in a two-level and heteronuclear-like molecule system of both in theory and experiment. The lifetime of the fourth-order fluorescence depends on the nonlinear processes in the perturbation chain, and can be modulated by the dark state due to the dressing effect and the induced dipole–dipole interaction by changing the frequency detuning and power of the controlling field. Such results can find potential applications in all-optical communication and optical information processing on photonic chips.
© 2015 Optical Society of America
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