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Proceedings Paper

Novel structure to enhance pump efficiency of L-band EDFAs without NF degradation
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Paper Abstract

In this paper we propose a novel structure to enhance pump conversion efficiency and noise characteristics of L-band EDFAs. By adding only a input-reflect fiber Bragg grating and reflecting fractional backward ASE power as a secondary forward pump to further amplify the signal light, larger than 20dB small signal gain improvement and 1dB NF decrease can be achieved. We also investigate the influences of different wavelength FBGs. Experimental results agree well with numerical simulations.

Paper Details

Date Published: 28 August 2002
PDF: 4 pages
Proc. SPIE 4904, Optical Fiber and Planar Waveguide Technology II, (28 August 2002); doi: 10.1117/12.481233
Show Author Affiliations
Zhi Tong, Northern Jiaotong Univ. (China)
Huai Wei, Northern Jiaotong Univ. (China)
Muguang Wang, Northern Jiaotong Univ. (China)
Zhi Wang, Northern Jiaotong Univ. (China)
Shuisheng Jian, Northern Jiaotong Univ. (China)

Published in SPIE Proceedings Vol. 4904:
Optical Fiber and Planar Waveguide Technology II
Shuisheng Jian; Steven Shen; Katsunari Okamoto, Editor(s)

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