首页> 外文期刊>Optics Communications: A Journal Devoted to the Rapid Publication of Short Contributions in the Field of Optics and Interaction of Light with Matter >Design of an on-chip Fourier transform spectrometer based on waveguide Mach-Zehnder Interferometer and fluidics
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Design of an on-chip Fourier transform spectrometer based on waveguide Mach-Zehnder Interferometer and fluidics

机译:基于波导Mach-Zehnder干涉仪和流体的片上傅立叶变换光谱仪设计

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摘要

An on-chip Fourier transform spectrometer based on the semiconductor waveguide Mach-Zehnder Interferometer (MZI) is proposed. The MZI is constructed by rectangular silicon-on-insulate waveguides. With the help of digital microfluidics, the sensing arm of MZI can be covered by liquid step-by-step, and as a result, the output of the MZI can be modulated accordingly. The length of the MZI arm is 3 mm for a theoretical demonstration. This spectrometer works well in the wavelength range of 1.5 mu m to 1.7 mu m with the spectral resolution reaching up to 3.1 nm. The performance can be further improved by extending the MZI arms along with the liquid channel.
机译:提出了一种基于半导体波导Mach-Zehnder干涉仪(MZI)的片上傅立叶变换光谱仪。 MZI由矩形硅环化波导构成。 借助数字微流体,MZI的传感臂可以逐步覆盖,结果,可以相应地调制MZI的输出。 理论证明,MZI臂的长度为3毫米。 该光谱仪在1.5μm至1.7μm的波长范围内运行良好,频谱分辨率达到高达3.1nm。 通过与液体通道一起延伸MZI臂可以进一步改善性能。

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