Optical Echo-Spectroscopy of Highly Doped $\mathrm{YAG}:\mathrm{TM}$ Crystal

K. R. Karimullin ; A. A. Kalachev ; V. A. Zuikov ; V. V. Samartsev

Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki, Kazanskii Gosudarstvennyi Universitet. Uchenye Zapiski. Seriya Fiziko-Matematichaskie Nauki, Tome 151 (2009) no. 1, pp. 111-120

Résumé

Two-pulse, stimulated and accumulated photon echoes are investigated for the first time in a highly doped crystal $\mathrm{Tm}:\mathrm{YAG}$ containing 10 at.% $\mathrm{Tm}^{3+}$. The decay curves of the two-pulse and stimulated photon echoes generated at 793,15 nm on the transition $^3\mathrm H_6(1)-^3\mathrm H_4(1)$ of the impurity ions are measured in the absence of an applied magnetic field. Parameters describing the energy and phase relaxation are determined. The dependence of the accumulated photon echo intensity on the number of excitation pulse pairs is investigated.

Détail

Mots-clés : photon echo
Keywords: echo-spectroscopy, yttrium aluminium garnet, highly-doped crystals, thulium ion, information processing, multichannel mode.

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