The potential demultiplexing technology based on higher-speed optical switch was also introduced and the evolution route of all-optical demultiplexing technology discussed in this paper.

介绍了潜在的基于更高速全光开关的解复用新技术，并探讨了全光解复用技术的演进思路。

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For getting superior quality and denser WDM device, a new method to make demultiplexing device with volume holographic technology is studied.

为了寻求更高质量和密集度的WD M器件，对体全息技术制作WD M器件的新方法进行了研究。

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