Multiple color electromagnetically induced switching using a five-level atomic medium
2019
This paper shows coherence control of multiple electromagnetically induced transparency (EIT) and switching of a weak probe field through a five-level atomic medium. On the propagation, the probe field with triple resonance (EIT) converts into double- and single- resonance (EIT) by adjusting relative phase of two strong microwave- and optical- field when they are coupled with the medium cyclically and vice versa . This system becomes independent of the wave-vector mismatch of the strong coupling fields and subsequently of the Doppler effect upon coupling the coherent fields co-linearly. Distinct in aim, we further show dephasing induced switching from the single- through the triple colored destructive interference into the ones of the constructive interference in the absorption spectrum to exhibit, in each case, the statistical behavior of a Lorentzian and vice versa .
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