Electromagnetically Induced Transparency,
Abstract:
We report the first observation of electromagnetically induced transparency in optically thick medium. The transparency results from a destructive interference of two dressed states which are created by applying a temporally smooth coupling laser between a bound state of an atom and the upper state of the transition which is to be made transparent. The transmittance of an autoionizing transition in strontium is changed from exp-20 to exp -1. This paper reports the results of an experimental showing how an opaque transition may be rendered transparent to radiation at its resonance frequency.
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