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首页> 外文会议>Iberoamerican Meeting on Optics;Latin American Meeting on Optics, Lasers, and Their Applications;International Commission for Optics Regional Meeting >A wavelength demultiplexer based on waveguide broadening in silicon-on-insulator platform
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A wavelength demultiplexer based on waveguide broadening in silicon-on-insulator platform

机译：基于绝缘体硅 - 绝缘体平台波导扩展的波长多路分解器

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摘要

We propose a modified arrayed waveguide grating (AWG) demultiplexer formed by an array of parallel ridge waveguides of equal length fabricated in silicon-on-insulator (SOI). Each waveguide contains two sections with different widths. The lengths of the two sections are modified from a waveguide to the adjacent waveguide, resulting in a wavelength dispersive phase array. With an appropriate demultiplexer output geometry, the light is focused in the output slab waveguide combiner. The focal position is wavelength dependent in the transverse direction, so that the optical signal is demultiplexed into separated output channels corresponding to different spectral bands. This device does not require bending waveguide sections which are essential in a conventional AWG demultiplexer, yielding very compact devices with potentially low loss. Numerical simulations have been carried out to evaluate the influence of waveguide parameters such as lengths and widths of different waveguide sections on demultiplexer performance.
机译：我们提出了一种经修改的阵列波导光栅（AWG）多路分解器，由在绝缘体上的硅 - 在绝缘体（SOI）中制造的等长度的平行脊波导阵列形成。每个波导包含两个具有不同宽度的部分。两部分的长度从波导修改到相邻波导，导致波长分散相阵列。利用适当的多路分解器输出几何形状，光专注于输出板波导组合器中。焦点位置是在横向方向上的波长，使得光信号被解复用到与不同的光谱带对应的分离的输出信道中。该装置不需要弯曲的波导部分，其在传统的AWG解复用器中是必不可少的，产生具有潜在低损耗的非常紧凑的装置。已经进行了数值模拟，以评估波导参数的影响，例如不同波导部分的长度和宽度在多路分解器性能上。

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