Measurement of pump-induced thermal effect in Er/Yb codoped fiber

Hwa-Yaw Tam; Yuanzhong Xu; M. Suleyman Demokan

doi:10.1117/12.328776

4 December 1998 Measurement of pump-induced thermal effect in Er/Yb codoped fiber

Hwa-Yaw Tam, Yuanzhong Xu, M. Suleyman Demokan

Proceedings Volume 3491, 1998 International Conference on Applications of Photonic Technology III: Closing the Gap between Theory, Development, and Applications; (1998) https://doi.org/10.1117/12.328776
Event: 1998 International Conference on Applications of Photonic Technology, 1998, Ottawa, Canada

Abstract

We report here the experimental results of pump-induced thermal effect in Er/Yb fibers. A 10-mm long fiber Bragg grating, written directly in a highly photosensitive B/Ge/Si annulus of a 12-mm long Er/Yb-P/Al/Si fiber, was employed for determining the temperature rise caused by nonradiative transitions in the Er/Yb fiber by measuring its Bragg wavelength shift. A temperature rise of 0.85 degree(s)C per mW of pump power was measured for the Er/Yb fiber. A fiber laser constructed with a FBG written directly in one end of the fiber and a mirror butt joined to the other end was investigated for the pump-induced thermal effect. Its lasing wavelength was shifted by 0.25 nm when the pump power was varying from 4 mW to 56 mW.

Citation Download Citation

Hwa-Yaw Tam, Yuanzhong Xu, and M. Suleyman Demokan "Measurement of pump-induced thermal effect in Er/Yb codoped fiber", Proc. SPIE 3491, 1998 International Conference on Applications of Photonic Technology III: Closing the Gap between Theory, Development, and Applications, (4 December 1998); https://doi.org/10.1117/12.328776

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