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Kvantovaya Elektronika, 2014, Volume 44, Number 2, Pages 122–129 (Mi qe15277)  

Nonlinear optical phenomena

Numerical simulation of adiabatons in electromagnetically induced transparency under quasi-resonance conditions

O. M. Parshkov, E. R. Govorenko

Yuri Gagarin State Technical University of Saratov
References:
Abstract: The evolution of adiabatons in electromagnetically induced transparency in the Λ scheme of degenerate quantum transitions J = 0 → J = 1 → J = 2 with Doppler broadening of spectral lines has been numerically simulated taking into account the effect of resonance detunings. It is shown that, in the case of linearly polarised fields, an increase in the probe-field resonance detuning (under exact-resonance conditions for the control radiation) leads to a transformation of electromagnetically induced transparency into electromagnetically induced absorption at certain stages. When the control-field resonance detuning is varied, the transparency of the medium for the probe (exactly resonant) radiation monotonically decreases with increasing detuning because of the rising role of single-photon absorption. In the case of circularly polarised control radiation and linearly polarised input probe field, a probe pulse propagating in the medium splits into two pulses with oppositely directed circular polarisations. An increase in the probe pulse resonance detuning (under exact-resonance conditions for the control radiation) leads primarily to an increase in the absorption by the medium of the probe pulse, the direction of circular polarisation for which coincides with the circular-polarisation direction for the control radiation.
Keywords: electromagnetically induced transparency, adiabaton, inhomogeneous broadening, degeneracy of levels, resonance detuning.
Received: 12.07.2013
Revised: 20.09.2013
English version:
Quantum Electronics, 2014, Volume 44, Issue 2, Pages 122–129
DOI: https://doi.org/10.1070/QE2014v044n02ABEH015277
Bibliographic databases:
Document Type: Article
PACS: 42.50.Gy
Language: Russian


Citation: O. M. Parshkov, E. R. Govorenko, “Numerical simulation of adiabatons in electromagnetically induced transparency under quasi-resonance conditions”, Kvantovaya Elektronika, 44:2 (2014), 122–129 [Quantum Electron., 44:2 (2014), 122–129]
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    Квантовая электроника Quantum Electronics
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