Influence of broadband coupling laser on electromagnetically induced transparency of Λ-like system with the Fano structure
DOI:
https://doi.org/10.51453/2354-1431/2016/154Keywords:
Electromagnetically induced transparency; double Fano continuum; Λ configuration; white noise.Abstract
Electromagnetically induced transparency for Λ-like system consisting of two lower bound
states and a flat continuum coupled to two autoionization states, it is so-calledthe double Fano continuum, embedded in it is studied in which the coupling laser is modeled by white noise. For
such a system containing discrete autoionization levels we obtain a set of coupled stochastic integro-differential equations which can be averaged exactly. This leads to the exact expression determining the stationary solution for the electric susceptibility. The spectra of dispersion and absorption components for electromagnetically induced transparency are found and compared with those derived previously by us and other authors.
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