Band-Rejection Filter Based on Cascaded Two Sidewall Gratings in Multimode Polymer Waveguide

2019 Asia Communications and Photonics Conference (ACP)（2019）

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摘要

A simple band-rejection filter based on cascaded long period gratings in polymer waveguide is designed and demonstrated. Our fabricated device shows a maximum extinction ratio of ~19 dB around 1555 nm.

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关键词

maximum extinction ratio,polymer waveguide,simple band-rejection filter,multimode polymer waveguide,cascaded two sidewall gratings,cascaded long period gratings,wavelength 1555.0 nm

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