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GIST Scholar College of Artificial Intelligence Department of Electrical Engineering and Computer Science 1. Journal Articles

Upconversion luminescence in bismuth-doped germano-silicate glass optical fiber

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Author(s)
Fan, Weiwei; Htein, Lin; Kim, Bok Hyeon; Watekar, Pramod R.; Han, Won Taek
Type
Article
Citation
Optics and Laser Technology, v.54, pp.376 - 379
Issued Date
2013-12
Abstract
We report, for the first time, a broadband upconversion emission (800-1000 nm) in Bi-doped germanosilicate glass optical fibers with excitation in the range of 1515-1585 nm, which can explain the low laser efficiency at wavelengths longer than 1500 nm. The mechanism responsible for the emission is two-step upconversion process. The origin of this upconversion luminescence is discussed and new energy transition schemes are proposed. (C) 2013 Published by Elsevier Ltd.
Publisher
Elsevier BV
ISSN
0030-3992
DOI
10.1016/j.optlastec.2013.06.034
URI
https://scholar.gist.ac.kr/handle/local/15333
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