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Superradiance from an ultrathin film of three-level V-type atoms:
Interplay between splitting, quantum coherence and local-field effects
V. A. Malyshev, F. Carreño, M. A. Antón, Oscar G. Calderón, F. Domínguez-Adame
abstract: We carry out a theoretical study of the collective spontaneous emission
(superradiance) from an ultrathin film comprised of three-level atoms with
$V$-configuration of the operating transitions. As the thickness of the system
is small compared to the emission wavelength inside the film, the local-field
correction to the averaged Maxwell field is relevant. We show that the
interplay between the low-frequency quantum coherence within the subspace of
the upper doublet states and the local-field correction may drastically affect
the branching ratio of the operating transitions. This effect may be used for
controlling the emission process by varying the doublet splitting and the
amount of low-frequency coherence.
- oai_identifier:
- oai:arXiv.org:quant-ph/0302177
- categories:
- quant-ph
- comments:
- 15 pages, 5 figures
- doi:
- 10.1088/1464-4266/5/3/318
- arxiv_id:
- quant-ph/0302177
- journal_ref:
- J. Opt. B: Quantum Semiclass. Opt. 5, 313 (2003)
- created:
- 2003-02-24
Full article ▸
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