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本文利用光束传播方法和简正模技术来处理两高斯光束之间的耦合,简便而直观地求得光束间的能量耦合和差拍等特性,从而为渐变折射率光波导耦合系统的分析提供了一种新的方法。
In this paper, we use the beam propagation method and the simple normal mode technique to deal with the coupling between two Gaussian beams, and simply and intuitively obtain the characteristics such as the energy coupling and the beat between the beams, so as to provide a kind of analysis for the graded-index optical waveguide coupling system New method