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Quantum dynamics of a two-level emitter with modulated transition frequency

MPG-Autoren
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Macovei,  Mihai
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society;
Institute of Applied Physics, Academy of Sciences of Moldova, Academiei strasse 5, MD-2028, Chişinău, Moldova;

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Keitel,  Christoph H.
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society;

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1410.1650.pdf
(Preprint), 253KB

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Zitation

Macovei, M., & Keitel, C. H. (2014). Quantum dynamics of a two-level emitter with modulated transition frequency. Physical Review A, 90(4): 043838. doi:10.1103/PhysRevA.90.043838.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0024-025F-B
Zusammenfassung
The resonant quantum dynamics of an excited two-level emitter is investigated via classical modulation of its transition frequency while simultaneously the radiator interacts with a broadband electromagnetic field reservoir. The frequency of modulation is selected to be of the order of the bare-state spontaneous decay rate. In this way, one can induce quantum interference effects and, consequently, quantum coherences among multiple decaying transition pathways. Depending on the modulation depth and its absolute phase, both the spontaneous emission and the frequency shift may be conveniently modified and controlled.