Electromagnetically induced transparency controlled by a microwave field
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We have experimentally studied the propagation of two optical fields in a dense rubidium (Rb) gas in the case when an additional microwave field is coupled to the hyperfine levels of Rb atoms. The Rb energy levels form a close-Lambda three-level system coupled to the optical fields and the microwave field. It has been found that the maximum transmission of the probe field depends on the relative phase between the optical and the microwave fields. We have observed both constructive and destructive interferences in electromagnetically induced transparency. A simple theoretical model and a numerical simulation have been developed to explain the observed experimental results.
DescriptionJournals published by the American Physical Society can be found at http://publish.aps.org/
SubjectMULTIPLICATIVE NOISE PROCESS