Suppression and coherent control of free-induction-decay emission in multilevel systems
Journal Article
·
· Physical Review. A
- Instituto de Fisica 'Gleb Wataghin', Universidade Estadual de Campinas, Campinas, Sao Paulo 13083-970 (Brazil)
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.
- OSTI ID:
- 20863935
- Journal Information:
- Physical Review. A, Journal Name: Physical Review. A Journal Issue: 4 Vol. 74; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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