The Lunar waveguides and vained circular waveguides are analyzed by using the mode matching method.
采用模匹配方法分析了月形波导和加片圆波导的截止频率。
The transitional guide is used to improve the mode field matching between both the waves supported by the incident and output waveguides.
过渡波导用于改善入射基模与出射偶对称模之间的场分布匹配，有效地提高了功率耦合效率，降低了分支耦合损耗。
A study on the mode under the condition of phase-matching of stimulated four-photon mixing (SFPM) in optical fiber waveguides has been performed.
本文对相位匹配条件下光纤波导中的受激四光子混频(SFPM)过程的模式问题进行了理论和实验研究。
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