A new method for adjusting the gain flatness of Raman amplifiers

Jiping Ning; Zhiqiang Chen; Qun Han

doi:10.1117/12.693519

10 June 2006 A new method for adjusting the gain flatness of Raman amplifiers

Jiping Ning, Zhiqiang Chen, Qun Han

Proceedings Volume 6344, Advanced Laser Technologies 2005; 63440Z (2006) https://doi.org/10.1117/12.693519
Event: Advanced Laser Technologies 2005, 2005, Tianjin, China

Abstract

A new numerical optimization method assisted by functional model and improved Newton's iterations is proposed. The method would be applied to the pump power configure optimal design for the gain flatness optimization in the laser-diode discrete Fiber Raman amplifier (FRA). Compared with other optimization algorithms, the proposed improved Newton's iteration has fast convergence speed and good stability. So the method can exploit better solutions and greatly shorten the amount of run time. Two samples show the feasibility of the method with different initial variables. The comparison with Genetic algorithm (GA) is obtained.

Citation Download Citation

Jiping Ning, Zhiqiang Chen, and Qun Han "A new method for adjusting the gain flatness of Raman amplifiers", Proc. SPIE 6344, Advanced Laser Technologies 2005, 63440Z (10 June 2006); https://doi.org/10.1117/12.693519

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