光纤简化模型中抑制交叉相位调制的干涉聚焦
Interference Focusing for Mitigating Cross-Phase Modulation in a Simplified Optical Fiber Model
摘要：
介绍了一种无记忆干涉网络模型，该模型是基于使用波分复用在光纤上传输信息时观察到的非线性现象。该模型的主要特征是将一个载波上的幅度变化转换为另一个载波上的相位变化，即，载波通过幅相转换而相互干扰。对于两个载波的情况，提出了称为干扰聚焦的新技术，其中每个载波实现容量pre-log 1，从而使通过使用常规方法实现的pre-log 1/2加倍。该技术既不需要信道时间变化，也不需要全局信道状态信息。概括到两个以上的运营商概述。
英文摘要：
A memoryless interference network model is introduced that is based on non-linear phenomena observed when transmitting information over optical fiber using wavelength division multiplexing. The main characteristic of the model is that amplitude variations on one carrier wave are converted to phase variations on another carrier wave, i.e., the carriers interfere with each other through amplitude-to-phase conversion. For the case of two carriers, a new technique called interference focusing is proposed where each carrier achieves the capacity pre-log 1, thereby doubling the pre-log of 1/2 achieved by using conventional methods. The technique requires neither channel time variations nor global channel state information. Generalizations to more than two carriers are outlined.
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