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Log-normal distribution of pulse amplitudes due to Raman cross talk in wavelength division multiplexing soliton transmission

机译：波分复用孤子传输中由于拉曼串扰引起的脉冲幅度的对数正态分布

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摘要

The effect of delayed Raman response on soliton collisions in wavelength division multiplexing (WDM) transmission systems is investigated. Taking into account the stochastic nature of pulse sequences in different frequency channels and the Raman-induced cross talk, it is shown that the soliton amplitude is a random variable with a log-normal distribution. Moreover, the Raman-induced self-frequency shift and cross-frequency shift are also random variables with log-normal-like distributions. These results imply that fluctuations in soliton amplitude and frequency induced by soliton collisions in the presence of delayed Raman response play an important role in massive WDM transmission. (C) 2004 Optical Society of America.
机译：研究了延迟拉曼响应对波分复用（WDM）传输系统中孤子碰撞的影响。考虑到不同频率信道中脉冲序列的随机性和拉曼引起的串扰，表明孤子振幅是一个具有对数正态分布的随机变量。此外，拉曼引起的自频移和跨频移也是具有对数正态分布的随机变量。这些结果表明，在延迟拉曼响应的存在下，孤子碰撞引起的孤子振幅和频率波动在大规模WDM传输中起着重要作用。 （C）2004年美国眼镜学会。

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