Geometric Loss Reduction In Tight Bent Waveguides For Silicon Photonics

Makoto Nakai,Tsuyoshi Nomura,SungWon Chung,Hossein Hashemi

2018 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO)（2018）

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摘要

A low-loss bent waveguide with a Clothoid shape whose width is adjusted along the curvature is demonstrated. For a bend radius of 1.6 mu m, the loss is reduced by 0.34 dB to less than 0.04 dB for a single S-shape bend when compared to a standard circular waveguide bend.

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关键词

single S-shape bend,standard circular waveguide bend,geometric loss reduction,tight bent waveguides,silicon photonics,low-loss bent waveguide,Clothoid shaped waveguide,loss 0.34 dB

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