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Publication
Optics Letters
Paper
Measurement of optical homogeneous linewidths in a glass with picosecond accumulated photon echoes
Abstract
Picosecond accumulated photon echoes have been used to study optical dephasing in the 4I9/2 ↔ 2G7/2, 4G5/2 transition of Nd3+ in silicate glass. The homogeneous width exhibited a T2.2 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.