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Proceedings Paper

Highly efficient double-clad Er:Yt co-doped fiber amplifiers with a reflector
Author(s): Guijin Xia; Jumei Zhang; Dapeng Deng
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Paper Abstract

In this paper, we present a comprehensive mathematical model for the novel double cladding fiber, based on the rate and propagation equations, the output signal power and noise characteristics of double-cladding erbium-ytterbium co-doped fiber amplifiers with a reflector are analyzed numerically. Due to the contributions of the reflector to reflect the un-absorbed pump power, pump light transmitted in the active fiber is increased and the output performances are improved, it is shown that the amplifiers with the reflector have about the same high-power output signal as those without it, only using half-lengths of fiber. The pumping scheme and numerical results could be useful for the real optimized design of DCF amplifier in the near future.

Paper Details

Date Published: 5 December 2005
PDF: 7 pages
Proc. SPIE 6019, Passive Components and Fiber-based Devices II, 601946 (5 December 2005); doi: 10.1117/12.633461
Show Author Affiliations
Guijin Xia, Xi'an Communication Institute (China)
Xi'an Institute of Optics and Precision Mechanics (China)
Jumei Zhang, Xi'an Communication Institute (China)
Dapeng Deng, Xi'an Communication Institute (China)

Published in SPIE Proceedings Vol. 6019:
Passive Components and Fiber-based Devices II
Yan Sun; Jianping Chen; Sang Bae Lee; Ian H. White, Editor(s)

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