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WAFER-SCALE-INTEGRATED SILICON-PHOTONICS-BASED OPTICAL SWITCHING SYSTEM AND METHOD OF FORMING
WAFER-SCALE-INTEGRATED SILICON-PHOTONICS-BASED OPTICAL SWITCHING SYSTEM AND METHOD OF FORMING
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机译:基于晶片规模集成硅光子的光学开关系统及其形成方法
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摘要
A large-scale single-photonics-based optical switching system that occupies an area larger than the maximum area of a standard step-and-repeat lithography reticle is disclosed. The system includes a plurality of identical switch blocks, each of is formed in a different reticle field that no larger than the maximum reticle size. Bus waveguides of laterally adjacent switch blocks are stitched together at lateral interfaces that include a second arrangement of waveguide ports that is common to all lateral interfaces. Bus waveguides of vertically adjacent switch blocks are stitched together at vertical interfaces that include a first arrangement of waveguide ports that is common to all vertical interfaces. In some embodiments, the lateral and vertical interfaces include waveguide ports having waveguide coupling regions that are configured to mitigate optical loss due to stitching error.
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