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Proceedings Paper

Experimental and theoretical research of quasi-three level Ho3+-doped fluorotellurite photonic crystal fiber lasers
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Paper Abstract

A Ho3+-doped photonic crystal fiber laser with output wavelength of 2077nm has been demonstrated using a 1992nm Tm3+-doped fiber laser with output wavelength of 1992nm as a pump source. And the optical- optical conversion slope efficiency is 41.3%. In order to optimize the output power of the Ho3+-doped photonic crystal fiber laser, a simple quasi-three level system theoretical modeling is developed in the condition of Stark-splitted energy level diagram of holmium ion. We obtain the theoretical optical- optical conversion slope efficiency 43.5%, which is higher than the experimental 41.3%. Furthermore, the relative deviation of the η is 5%, which shows the theoretical data is good agreement with experimental data. According to the modeling, the influence factors of the output power have been theoretically studied, in detail. The results show that there are an optimal range of Ho3+-doped concentration n0, transmittance of coupled output mirror T2 and length of the PCF L, respectively. Furthermore, the output power is approximately equal to maximum in the range of the optimal value.

Paper Details

Date Published: 18 December 2019
PDF: 6 pages
Proc. SPIE 11333, AOPC 2019: Advanced Laser Materials and Laser Technology, 1133302 (18 December 2019); doi: 10.1117/12.2537916
Show Author Affiliations
Cheng Zhou, Univ. of Jinan (China)
Hai-kun Zhang, Univ. of Jinan (China)
Peng Song, Univ. of Jinan (China)
Tao Chen, Univ. of Jinan (China)
Ya-ping Zhang, Univ. of Jinan (China)

Published in SPIE Proceedings Vol. 11333:
AOPC 2019: Advanced Laser Materials and Laser Technology
Pu Zhou; Jian Zhang; Wenxue Li; Shibin Jiang; Takunori Taira, Editor(s)

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