Design of grating based narrow band reflector on SOI waveguide

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A grating-based narrowband wavelength selective reflector on silicon on insulator waveguide is proposed here. The 500 nm thick silicon waveguide is used in the reflector design. The design consists of dual-etch layers for different grating sets separated by the center cavity. The dutycycle, grating-period, and side etching depth are optimized for achieving high reflection and narrow bandwidth. The proposed reflector shows a reflection of 96 % with a full-width halfmaximum bandwidth of 1.5 nm at 1550 nm wavelengths.
Publisher
ELSEVIER GMBH
Issue Date
2021-02
Language
English
Article Type
Article
Citation

OPTIK, v.227

ISSN
0030-4026
DOI
10.1016/j.ijleo.2020.165995
URI
http://hdl.handle.net/10203/285464
Appears in Collection
EE-Journal Papers(저널논문)
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