The noise and loss of the system, as well as the coupling ratio, make different effects upon replication effect of optical periodic pulses.

耦合器分光比、光纤环形腔中的损耗和噪声对复制效果有不同的影响。

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Then we will analyze the coupling blue print of EOPCB, and compute the loss of fiber coupling with optical waveguide, it will be useful in experimentation.

对EOPCB的耦合接口方案进行了研究，针对直波导与多模光纤的耦合损耗进行了计算研究，为在实验过程中的具体操作提供了理论依据。

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