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Phase and amplitude measurements for high bandwidth optical signals

机译：高带宽光信号的相位和幅度测量

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摘要

In this paper a novel technique for obtaining the amplitude and phase of optical pulses with time extents as short as tens of ps is presented. The method which is based on the transport-of-intensity equation only requires, for a practical realization, of passive fiber optic devices. It employs as the main component a dispersive element with a known second order dispersion coefficient. Two different setup implementations are considered, for which simulations are carried out in order to test the method performance taking into account both, realizable models of the involved devices and typical pulses found in optical transmission systems. The characterization of optical pulses affected by dispersion and nonlinear effects, such as self-phase modulation, is used to evaluate the performance of the method and show the practical feasibility of the future implementation.
机译：在本文中，提出了一种新颖的技术，该技术可获取时间范围短至数十ps的光脉冲的幅度和相位。为了实际实现，基于强度传输方程的方法仅需要无源光纤设备。它使用具有已知二阶色散系数的色散元件作为主要成分。考虑了两种不同的设置实现，为进行仿真以测试方法性能，同时考虑了所涉及设备的可实现模型和光传输系统中发现的典型脉冲。受色散和非线性效应（例如自相位调制）影响的光脉冲的特性可用于评估该方法的性能，并展示未来实现的实际可行性。

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