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Proceedings Paper

Operation principles and numerical analysis of double-cladding erbium-ytterbium-codoped optical fiber amplifiers
Author(s): Shufu Dong; Shanghong Zhao; Shengbao Zhan; Guijin Xia; Guofu Chen
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Paper Abstract

The increasing capacity of wavelength-division multiplexing (WDM) transmission systems requires higher output power of erbium doped fiber amplifiers (EDFAs). The two improvements are the use of double cladding fibers (DCF) and the addition of ytterbium oxide as co-dopant in the glass base. In this paper, the operation principles of double-cladding erbium-ytterbium co-doped fiber amplifiers were analyzed. Numerical analysis of erbium-ytterbium co-doped DCF amplifiers using EY801 fiber manufactured by INO, Canada has been performed based on the rate and propagation equations. The maximum output power as functions of the fiber length, the input pump power, the erbium-ytterbium concentration and pumping ways were described. The results show that the ideal erbium-ytterbium co-doped DCF amplifier with EY801 fiber is that with the fiber length of about 62 meters, with as higher as possible pumping powers, and with doubled-ended pumping configuration.

Paper Details

Date Published: 5 September 2002
PDF: 9 pages
Proc. SPIE 4914, High-Power Lasers and Applications II, (5 September 2002); doi: 10.1117/12.481791
Show Author Affiliations
Shufu Dong, Air Force Engineering Univ. (China) and Xi'an Institute of Optics and Precision Mechanics (China)
Shanghong Zhao, Air Force Engineering Univ. (China)
Shengbao Zhan, Air Force Engineering Univ. (China)
Guijin Xia, Air Force Engineering Univ. (China)
Guofu Chen, Xi'an Institute of Optics and Precision Mechanics (China)


Published in SPIE Proceedings Vol. 4914:
High-Power Lasers and Applications II
Dianyuan Fan; Keith A. Truesdell; Koji Yasui, Editor(s)

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