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Type: Artigo de periódico
Title: Suppression and coherent control of free-induction-decay emission in multilevel systems
Author: de Araujo, LEE
Abstract: In this paper, I study the coherent control and suppression of the free-induction-decay emission associated with the decay from an excited multilevel atom to its ground state. It is shown here that a strong and ultrashort coupling pulse, resonant with the excited states and a lower state other than the ground state, can induce destructive quantum interferences in the decay process. The suppression is temporary and the free-induction-decay signal reappears one quantum-beat period (of the excited states) later. A sequence of equally spaced, ultrashort coupling pulses can control the moment the free-induction-decay emission occurs.
Country: EUA
Editor: Amer Physical Soc
Citation: Physical Review A. Amer Physical Soc, v. 74, n. 4, 2006.
Rights: aberto
Identifier DOI: 10.1103/PhysRevA.74.043415
Date Issue: 2006
Appears in Collections:Unicamp - Artigos e Outros Documentos

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