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

Zhi Tong; Huai Wei; Muguang Wang; Zhi Wang; Shuisheng Jian

doi:10.1117/12.481233

28 August 2002 Novel structure to enhance pump efficiency of L-band EDFAs without NF degradation

Zhi Tong, Huai Wei, Muguang Wang, Zhi Wang, Shuisheng Jian

Proceedings Volume 4904, Optical Fiber and Planar Waveguide Technology II; (2002) https://doi.org/10.1117/12.481233
Event: Asia-Pacific Optical and Wireless Communications 2002, 2002, Shanghai, China

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.

Citation Download Citation

Zhi Tong, Huai Wei, Muguang Wang, Zhi Wang, and Shuisheng Jian "Novel structure to enhance pump efficiency of L-band EDFAs without NF degradation", Proc. SPIE 4904, Optical Fiber and Planar Waveguide Technology II, (28 August 2002); https://doi.org/10.1117/12.481233

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