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首页> 外文期刊>Journal of Laser Applications >Experimental evaluation and theoretical investigations of fiber Raman amplifiers and its gain optimization based on single forward pump
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Experimental evaluation and theoretical investigations of fiber Raman amplifiers and its gain optimization based on single forward pump

机译:基于单向泵的纤维拉曼放大器的实验评价与理论研究及其增益优化

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摘要

In this paper, we perform the experiment evaluation and the optimization of forward pumped fiber Raman amplifiers. The pumping configuration characteristics and optimum single mode large-effective-area fiber lengths for the system are presented within the framework of the undepleted pump approximation. It is found that achievable optimal span length and Raman gain in optimized forward pumped is about 52 km and 3.92 dB (2.42 dB) using an efficient particle swarm optimization (PSO) method at signal wavelength 1500 nm, higher than that without using PSO in signal wavelength 1300 nm for 200 mW pumping power. The experimental results showed that the gain flatness of the forward Raman amplifier can be maintained over a wide wavelength with a gain ripple lower than 0.4 dB. (C) 2014 Laser Institute of America.
机译:在本文中,我们进行了对前泵浦光纤拉曼放大器的实验评估和优化。系统的泵送配置特性和最佳单模纤维长度为系统的框架内呈现在未溢出的泵近似的框架内。结果发现,使用信号波长1500nm的有效粒子群优化(PSO)方法,可实现的最佳跨度长度和拉曼增益在优化的前向泵浦中的优化长度和3.92dB)大约是52km和3.92dB),高于信号波长为1500nm,高于信号波长波长1300nm为200 MW泵送电源。实验结果表明,前向拉曼放大器的增益平坦度可以保持在宽波长的范围内,增益纹波低于0.4dB。 (c)2014年激光研究所。

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