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<p>The effect of nanosecond magnetic pulses on a photon echo signal in the Er<sup>3+</sup>-doped YLiF<sub>4</sub> and LuLiF<sub>4</sub> samples has been considered. A strong dependence of the photon echo intensity on the parameters of the magnetic pulse and the direction of variation of the external magnetic field <i>H</i> has been found. The application of magnetic pulses can increase the echo intensity by a factor of 5–6. The irreversibility (nonreciprocity) effect is explained by the occurrence of the spatial dispersion of the permittivity.</p>

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Amplification of the Photon Echo by Magnetic Pulses in the Er3+-Doped LuLiF4 and YLiF4 Samples

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • A. M. Shegeda,
  • M. V. Eremin,
  • S. L. Korableva

摘要

The effect of nanosecond magnetic pulses on a photon echo signal in the Er3+-doped YLiF4 and LuLiF4 samples has been considered. A strong dependence of the photon echo intensity on the parameters of the magnetic pulse and the direction of variation of the external magnetic field H has been found. The application of magnetic pulses can increase the echo intensity by a factor of 5–6. The irreversibility (nonreciprocity) effect is explained by the occurrence of the spatial dispersion of the permittivity.