Coherent Effects under Suppressed Spontaneous Emission

Details Coherent Effects under Suppressed Spontaneous Emission Coherent Effects under Suppressed Spontaneous Emission

2001-03-27

arxiv.org/abs/cond-mat/0103554v1

Eur. Phys. J. D 13 (2001) 83-91

Physics

Condensed Matter

LaTex, 19 pages

Scientific paper

10.1007/s100530170290

An ensemble of resonance atoms is considered, which are doped into a medium with well developed polariton effect, when in the spectrum of polariton states there is a band gap. If an atom with a resonance frequency inside the polariton gap is placed into the medium, the atomic spontaneous emission is suppressed. However, a system of resonance atoms inside the polariton gap can radiate when their coherent interaction is sufficiently strong. Thus the suppression of spontaneous emission for a single atom can be overcome by a collective of atoms radiating coherently. Conditions when such collective effects can appear and their dynamics are analysed.

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