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Proceedings Paper

Automatic control algorithm of Raman amplifiers
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Paper Abstract

An automatic control algorithm considering the pump interaction for flattening the gain of a fiber Raman amplifier is derived from the Raman scattering equations. A pseudo-inverse gain matrix is introduced to adjust the powers of the pump lasers. The pump-to-pump interaction is compensated by the pump coefficients. It is demonstrated experimentally that the convergence of this algorithm is faster than that of the algorithm without considering the pump-to-pump interaction. In a system with 50-km SMF and 13.4km DCF, flattened Raman gain 15dB with a fluctuation no more than 0.40dB over a 45-nm bandwidth and 26dB with a fluctuation less than 0.8dB are realized in the experiment.

Paper Details

Date Published: 11 February 2005
PDF: 8 pages
Proc. SPIE 5625, Optical Transmission, Switching, and Subsystems II, (11 February 2005); doi: 10.1117/12.580990
Show Author Affiliations
Xuliang Zhang, Zhejiang Univ. (China)
Zhangwei Yu, Zhejiang Univ. (China)


Published in SPIE Proceedings Vol. 5625:
Optical Transmission, Switching, and Subsystems II
Cedric F. Lam; Wanyi Gu; Norbert Hanik; Kimio Oguchi, Editor(s)

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