Probing the Vacuum Induced Coherence in a Λ-system
Sunish Menon, G. S. Agarwal
Abstract
We propose a simple test to demonstrate and detect the presence of vacuum inducde coherence in a Λ-system. We show that the probe field absorption is modulated due to the presence of such a coherence which is unobservable in fluorescence. We present analytical and numerical results for the modulated absorption, the cosine and sine components of which display different types of behavior.
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