Temperature dependence of the wavelength and threshold of fiber-taper-coupled L-band Er3+-doped tellurite glass microsphere laser

Xiang Peng; Feng Song; Makoto Gonokami; Shibin Jiang; Nasser Peyghambarian

doi:10.1117/12.527731

14 June 2004 Temperature dependence of the wavelength and threshold of fiber-taper-coupled L-band Er³⁺-doped tellurite glass microsphere laser

Xiang Peng, Feng Song, Makoto Gonokami, Shibin Jiang, Nasser Peyghambarian

Author Affiliations +

Proceedings Volume 5350, Optical Components and Materials; (2004) https://doi.org/10.1117/12.527731
Event: Integrated Optoelectronic Devices 2004, 2004, San Jose, CA, United States

Abstract

We report on the temperature dependence of L-band laser emission of fiber-taper-coupled Er³⁺-doped tellurite glass microsphere. Pumping at 1480 nm instead of 975nm was used to enhance the coupling efficiency, reduce the internal thermal effect, and increase the output laser emission. 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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Xiang Peng, Feng Song, Makoto Gonokami, Shibin Jiang, and Nasser Peyghambarian "Temperature dependence of the wavelength and threshold of fiber-taper-coupled L-band Er³⁺-doped tellurite glass microsphere laser", Proc. SPIE 5350, Optical Components and Materials, (14 June 2004); https://doi.org/10.1117/12.527731

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KEYWORDS

Laser damage threshold

Temperature metrology

Glasses

Optical pumping

L band

Refractive index

Laser glasses

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