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期刊论文
Temperature dependence of the wavelength and threshold of fiber-taper-coupled L-band Er3
APPLIED PHYSICS LETTERS VOLUME 83, NUMBER 26 DECEMBER 2003,-0001,():
We report on the temperature dependence of L-band laser emission of fiber-taper-coupled Er31-doped tellurite glass microsphere. The microsphere laser emission threshold increased and the emitted laser wavelength shifted with temperature. The experimental results are explained with a quasi-four-level model, showing that a significant reduction of laser threshold can be achieved at lower temperatures and higher Q values of this microsphere laser.
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