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报道了一个新的基于锥形多模干涉的相干光波合波器.对锥形多模波导中的模式行为给出了完整的理论分析,并给出了该锥形合波器在不同结构下的输出特性.在一个绝缘体上硅的基板上实现了该器件.鉴于无后向反射,容易扩展为多口配置,对实验误差有大的允许度和尺寸紧凑等优点,这种锥形多模干涉的合波器是大型光子集成中所用的相干光波合波器的理想选择.
A new coherent lightwave combiner based on conical multimode interference is reported.Further theoretical analysis of the mode behavior in a tapered multimode waveguide is given and the experimental results of the conic multiwaveguide under different structures Of the output characteristics of the silicon on a silicon substrate to achieve the device in view of the absence of retroreflection, easy to expand into a multi-port configuration, the experimental error has a large tolerance and compact size advantages, this tapered multi-mode Interfering multiplexers are ideal for coherent lightwaves used in large photonic integrations.