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22 August 2015 852nm up-conversion lasing characteristics based on Er3+-doped silica fiber
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Proceedings Volume 9656, International Symposium on Photonics and Optoelectronics 2015; 965605 (2015) https://doi.org/10.1117/12.2196777
Event: International Symposium on Photonics and Optics, 2015, Shanghai, China
Abstract
In this article, we report on the up-conversion fluorescence and laser characteristics at 852nm in Er3+-doped silica optical fiber excited at 800nm wavelength band. The possible up-conversion mechanisms involved are theoretical discussed in terms of ground-state absorption, excited state absorption, up-conversion emission energy transfer and cross-relaxation between excited ion pairs and multi-phonon relaxations. Experimentally, the 700~900nm band absorption spectrum and 850nm band spontaneous fluorescence spectrum are measured and studied. By using two bi-directionally pumped LDs (with 800nm and 792nm emission wavelength respectively) and two Fiber-Bragg-gratings (FBG@852nm), an all-fiber based 852nm up-conversion laser system is built to study the lasing characteristics. These results suggest that Er3+-doped silica fibers are potentially useful materials for developing up-conversion lasers and optoelectronic devices, especially helpful for the first telecommunication window (at 850nm band) lasers and amplifiers.
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Xi Zhang, Yang Liu, and Chang-yong Lu "852nm up-conversion lasing characteristics based on Er3+-doped silica fiber", Proc. SPIE 9656, International Symposium on Photonics and Optoelectronics 2015, 965605 (22 August 2015); https://doi.org/10.1117/12.2196777
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