Electromagnetically induced transparency of powerful probe pulses

Oleg M. Parshkov; Alexander A. Makoveichuk

doi:10.1117/12.2584945

4 May 2021 Electromagnetically induced transparency of powerful probe pulses

Oleg M. Parshkov, Alexander A. Makoveichuk

Proceedings Volume 11846, Saratov Fall Meeting 2020: Laser Physics, Photonic Technologies, and Molecular Modeling; 118460U (2021) https://doi.org/10.1117/12.2584945
Event: Saratov Fall Meeting 2020, 2020, Saratov, Russian Federation

Abstract

The results of a theoretical study of the evolution of powerful elliptically polarized probe nanosecond pulses of electromagnetically induced transparency are presented. The analysis was carried out for the Ʌ-scheme of inhomogeneously broadened quantum transitions between degenerate levels of the²⁰⁸Pb isotope. The cases of resonance and quasiresonance are considered under the assumption that the input probe and control radiation have no phase modulation. It is shown that at a higher power of the input probe radiation, the pulses, into which it decays in the medium, are not pulses of normal modes, but their polarization characteristics fluctuate around the values inherent in normal modes, arising at a weak input probe radiation. In the case of a powerful input probe pulse, the phase modulation of the probe field is present at all stages of its propagation in the medium. It is shown that with an increase in the intensity of the input probe radiation, the transparency of the medium for the probe field decreases. However, it is large enough if the polarization characteristics of the input probe radiation coincide with those for normal modes of the parallel type.

Citation Download Citation

Oleg M. Parshkov and Alexander A. Makoveichuk "Electromagnetically induced transparency of powerful probe pulses", Proc. SPIE 11846, Saratov Fall Meeting 2020: Laser Physics, Photonic Technologies, and Molecular Modeling, 118460U (4 May 2021); https://doi.org/10.1117/12.2584945

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