Abstract
Aimed at the structural parameters in the new optical Y-branch, this paper uses the Morris screening method and Sobol method in global sensitivity analysis to analyze the sensitivity of each parameter when the input optical field introduces an offset. The sensitivity parameters of the optical Y-branch are selected, and global sensitivity analysis of the sensitivity parameters is performed. The results of sensitivity analysis improve the parameter optimization process of the optical Y-branch. Finally, the optical Y-branch is optimized to obtain a small insertion loss, good uniformity, low wavelength-dependent loss, and polarization-dependent loss.
© 2020 Optical Society of America
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