Abstract

Picosecond accumulated photon echoes have been used to study optical dephasing in the ⁴I_9/2 ↔ ²G_7/2, ⁴G_5/2 transition of Nd³⁺ in silicate glass. The homogeneous width exhibited a T^2.2 temperature dependence similar to that of other rare-earth systems previously studied by fluorescence line narrowing. The wavelength dependence of the echo-decay curves shows that relaxation among crystal-field states takes place in a few picoseconds.

© 1983 Optical Society of America

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