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得出多模波导脉冲畸变主要是模式不同的群延迟造成的。
It results that the pulse deformation is caused by group delay of different modes.
研究了光子晶体多模波导在非光子带隙区光场的传输特性。
The properties of the propagating field in multimode photonic crystal waveguides (PCWs) exhibiting no photonic band gaps (PBGs) are investigated.
多模波导区是一个多模干涉区，其上设有两个折射率可改变的区域。
The multimode waveguide area is one multimode interference area provided with two refractive index variable regions.
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