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Silicon-on-insulator eight-channel optical mulltiplexer based on a cascade of asymmetric Mach-Zehnder interferometers

机译:基于级联的非对称Mach-Zehnder干涉仪的绝缘体上硅八通道光复用器

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摘要

A monolithically integrated eight-channel optical multiplexer (Mux) with a 400 GHz channel spacing similar to 1550 nm is presented based on a silicon-on-insulator rib waveguide and an asymmetric Mach-Zehnder interferometer. All channels were optimized independently with integrated heaters. The fully tuned Mux shows an adjacent channel isolation of similar to 13 dB, an excess loss of similar to 2.6 dB, and a channel uniformity of similar to 1.5 dB over a 25 nm wavelength span. In addition, the phase tuning efficiency for different interlevel dielectric layer thicknesses and thermal crosstalk were investigated. (c) 2008 Optical Society of America.
机译:基于绝缘体上硅肋形波导和非对称Mach-Zehnder干涉仪,提出了一种单通道集成的八通道光多路复用器(Mux),其信道间隔接近1550 nm,为400 GHz。所有通道均通过集成加热器独立优化。经过充分调谐的多路复用器显示出在25 nm波长范围内的相邻信道隔离度类似于13 dB,额外损耗类似于2.6 dB,信道均匀性类似于1.5 dB。另外,研究了不同层间电介质层厚度和热串扰的相位调谐效率。 (c)2008年美国眼镜学会。

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