光功率分配器是无源光接入网的核心。

Optical power splitter is the core of PON.

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然后，对y分叉光功率分配器的结构展开具体的设计与优化。

Then, detailed design for the structure of Y-branch optical power splitter is followed.

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然后，对y分叉光功率分配器的结构展开具体的设计与优化。

Then, detailed design for the structure of Y-branch optical power splitter is followed.

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