Abstract

We have fabricated and characterized optically Nd3+-doped phosphate [Li2O-CaO-BaO-Al2O3-La2O3-P2O5 (LCBALP)] glasses for drawing single-mode glass fiber. The F3/24I13/24 transition emission from the Nd3+ is at the 1.327μm wavelength with a full width at half-maximum of 43nm, and the spontaneous transition probability and quantum efficiency are calculated to be 1836s1 and 52%, respectively. The maximum stimulated emission cross sections for F3/24I11/24 and F3/24I13/24 transitions are derived to be 1.82×1020cm2 and 6.97×1021cm2, respectively, and the theoretical gain coefficient at the 1.327μm wavelength is evaluated to be 0.182dB/cm when the fractional factor of the excited neodymium ions equals 0.6, which indicates that Nd3+-doped LCBALP phosphate glasses are potential candidates in developing O-band optical fiber amplifiers.

© 2011 Optical Society of America

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