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A FrFT based method for measuring chromatic dispersion and SPM in optical fibers

机译：基于FrFT的光纤色散和SPM测量方法

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摘要

A fractional Fourier transformation based method is proposed to blindly estimate the chromatic dispersion and self phase modulation in optical fibers. The experimental results demonstrate that up to 20,000 psm accumulative chromatic dispersion of a fiber link is measured with the error less than 0.8%. If the chromatic dispersion is compensated by multiplying an opposite chromatic dispersion function in frequency domain, the 1st order chirp parameter caused by SPM in an optical fiber communication system can be measured by fractional Fourier transformation based method, i. e. the accumulative SPM of a fiber link can be quantitatively measured. The results of equalizing chromatic dispersion and self phase modulation in an optical fiber communication system demonstrated that the FrFT based method is promising to blindly monitor and equalize the chromatic dispersion and SPM of the fiber link in an optical network with dynamical routing function. (C) 2017 Elsevier Inc. All rights reserved.
机译：提出了一种基于分数阶傅里叶变换的方法来盲目估计光纤中的色散和自相位调制。实验结果表明，测量的光纤链路累积色散高达20,000 ps / nm，误差小于0.8％。如果通过在频域中乘以相反的色散函数来补偿色散，则可以通过基于分数阶傅立叶变换的方法，即由分数阶傅里叶变换来测量光纤通信系统中由SPM引起的一阶线性调频参数。 e。可以定量测量光纤链路的累积SPM。光纤通信系统中色散和自相位调制的均衡结果表明，基于FrFT的方法有望在具有动态路由功能的光网络中盲目监视和均衡光纤链路的色散和SPM。 （C）2017 Elsevier Inc.保留所有权利。

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