Abstract
We have fabricated and characterized optically -doped phosphate [ (LCBALP)] glasses for drawing single-mode glass fiber. The transition emission from the is at the wavelength with a full width at half-maximum of , and the spontaneous transition probability and quantum efficiency are calculated to be and 52%, respectively. The maximum stimulated emission cross sections for and transitions are derived to be and , respectively, and the theoretical gain coefficient at the wavelength is evaluated to be when the fractional factor of the excited neodymium ions equals 0.6, which indicates that -doped LCBALP phosphate glasses are potential candidates in developing O-band optical fiber amplifiers.
© 2011 Optical Society of America
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