Controlling of spontaneous emission

H. Tajalli; M. Sahrai

doi:10.1117/12.519896

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30 September 2003 Controlling of spontaneous emission

H. Tajalli, M. Sahrai

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Proceedings Volume 5227, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies; (2003) https://doi.org/10.1117/12.519896
Event: 2003 Chapter books, 2003, Bellingham, WA, United States

Abstract

Spontaneous emission in atomic system arises due to the interaction of atoms with environmental modes. Atomic coherence and quantum interference are the most important mechanisms for controlling the spontaneous emission. We show that under certain conditions complete quenching of spontaneous emission is possible. By using V type three level system driven by two fields, the phase dependence of quantum interference is investigated. The Fano type and P type interference mechanism in atomic coherence system driven by microwaves are investigated. In particular we find that both phase dependence interference mechanism may be destructive simultaneously and thus lead to spontaneous emission cancellation in different parts of the spectrum. One of the most important applications of this system is the refractive index enhancement.

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H. Tajalli and M. Sahrai "Controlling of spontaneous emission", Proc. SPIE 5227, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies, (30 September 2003); https://doi.org/10.1117/12.519896

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