Quantum interference in double photon emission

We study Fano-like interference in double photon absorption, describing quantum beats in the second-order correlation function for both a free Λ-V system and a driven four-level scheme which approximately reproduces the first one in the dressed state picture. Because of interference, both amplitude...

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Bibliographic Details
Published in:Journal of modern optics 2002-01, Vol.49 (1-2), p.97-109
Main Authors: PLASTINA, FRANCESCO, PIPERNO, FRANCESCO
Format: Article
Language:English
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Summary:We study Fano-like interference in double photon absorption, describing quantum beats in the second-order correlation function for both a free Λ-V system and a driven four-level scheme which approximately reproduces the first one in the dressed state picture. Because of interference, both amplitude and frequency of the beat oscillations are modified and (in some case) suppressed. In the case of the driven system, a partial coherent control of these features can be obtained, even in the presence of spontaneous emission for the driven transition.
ISSN:0950-0340
1362-3044
DOI:10.1080/09500340110066429