光致波导的评估方法
Assessment method for photo-induced waveguides
摘要：
提出并评价了一种实时探测形成波导的导光特性的方法。它是基于在波导的出射面处观察到的随时间变化的光分布的分析，同时逐渐改变其折射率分布，并由大直径光束探测。一个光束传播方法被用来模拟所观察到的动态。该技术被应用于恢复孤子诱导波导的属性。
英文摘要：
A method to probe the guiding characteristics of waveguides formed in real-time is proposed and evaluated. It is based on the analysis of the time dependent light distribution observed at the exit face of the waveguide while progressively altering its index profile and probed by a large diameter optical beam. A beam propagation method is used to model the observed dynamics. The technique is applied to retrieve the properties of soliton-induced waveguides.
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