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Vertical cavity waveguide spectrometer for WDM communication

机译:用于WDM通信的垂直腔波导光谱仪

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There is currently a need for a high resolution, low cost optical wavelength demultiplexer for wavelength division multiplexing (WDM) systems. Bulk gratings and mechanical Fabry-Perot interferometers have been inappropriate for many WDM switching applications. Consequently, there have been many efforts to achieve a monolithic solution, generally using a diffraction grating written directly on planar waveguides. However, fabrication difficulties have precluded a simple low cost device. We describe a novel device for wavelength demultiplexing using a Fabry-Perot resonator fabricated parallel to the input waveguide. Since the device requires only thin film technology and no diffraction grating, we expect lower cost and simpler implementation.
机译:目前需要高分辨率,低成本光波长多路分解器,用于波分复用(WDM)系统。散装光栅和机械法布里 - 珀罗干涉仪不适合许多WDM交换应用。因此,已经有许多努力实现整体溶液,通常使用直接写在平面波导上的衍射光栅。然而,制造困难是排除了简单的低成本装置。我们描述了一种使用平行于输入波导制造的法布里 - 珀罗谐振器的波长多路分解的新装置。由于该装置只需要薄膜技术并且没有衍射光栅,因此我们预计成本更低,实现更简单。

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