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Proceedings Paper

Dynamic behavior of pump light radiation induced photo-bleaching effect on BAC-Si in bismuth/erbium co-doped optical fibers
Author(s): Mingjie Ding; Yanhua Luo; Jianxiang Wen; Gang-Ding Peng
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Paper Abstract

Ultra-wide emission in bismuth doped optical fiber has been extremely studied for the development of the laser and amplifier working at near infrared band. In our homemade bismuth/erbium co-doped optical fiber, bismuth active center associated with silica (BAC-Si) has been found that when pumping at its resonant wavelength at 830 nm the NIR emission could be partially bleached. In addition, a self-recovery process has been observed at room temperature. However, the exact mechanism is still unclear. In this work, we have investigated the photo-bleaching effect on the BAC-Si via the pump power, pump wavelength and temperature dependence. Based on analyzing the result using stretched exponential function, it shows that the bleaching effect on BAC-Si has a strong link with the excitation process of Bi ion in BAC-Si. A potential energy curve model is used to illustrate the BAC-Si photo-bleaching process.

Paper Details

Date Published: 26 February 2018
PDF: 6 pages
Proc. SPIE 10512, Fiber Lasers XV: Technology and Systems, 1051226 (26 February 2018);
Show Author Affiliations
Mingjie Ding, The Univ. of New South Wales (Australia)
Yanhua Luo, The Univ. of New South Wales (Australia)
Jianxiang Wen, Shanghai Univ. (China)
Gang-Ding Peng, The Univ. of New South Wales (Australia)

Published in SPIE Proceedings Vol. 10512:
Fiber Lasers XV: Technology and Systems
Ingmar Hartl; Adrian L. Carter, Editor(s)

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