Narrow band optical filter using Goos-H?nchen shift in a cascaded waveguide structure

Mincheng Tang,Maowu Ran,Fan Chen,Xianping Wang,Honggen Li,XianFeng Chen,Zhuangqi Cao

Optics & Laser Technology（2014）

引用 13|浏览5

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摘要

An narrow band optical filter based on an enhanced Goos–Hänchen shift utilizing cascaded waveguide structure is proposed. We demonstrate in an experiment that a filter with 3dB bandwidth of 0.19nm and extinction ratio of 6.7dB around a light wavelength of 859nm is realized.

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