这些结果可为选择光纤数据总线拓扑和访问耦合器提供参考。
These results can provide reference for choosing topology and the type of access couplers that may be used in optical fiber data bus.
提出了四孔等耦合不等间距定向耦合器的最佳设计方法，并给出了设计数据和曲线。
An optimum design of directional couplers with four identical but unequal-spacing coupling holes is developed. The paper carries out a set of design data and curves.
光耦合器424沿着与光源402产生的光数据信号同向传播的方向发射拉曼光泵浦信号。
The optical coupler 424 launches the Raman optical pumping signal in a direction that co-propagates with the optical data signals that are generated by the optical source 402.
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