Refracive Index Sensor Based on a Chip of Etched Thin Cladding Waveguide Bragg Grating

We demonstrate the fabrication of refractive index sensor based on a chip of etched thin cladding waveguide Bragg grating, the measured refractive index sensitivity can be up to 10.9 nm/RIU.

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Bibliographic Details
Published in2022 Asia Communications and Photonics Conference (ACP) pp. 1984 - 1986
Main Authors Cai, Heyi, Xiao, Xiangpeng, Dai, Yuze, Huang, Fanglei, Sun, Qizhen, Yan, Zhijun
Format Conference Proceeding
LanguageEnglish
Published IEEE 05.11.2022
Subjects
Bragg gratings
Claddings
etching
Optical device fabrication
Refractive index
refractive index sensor
Semiconductor device measurement
Sensitivity
Stability criteria
waveguide Bragg grating
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Summary:We demonstrate the fabrication of refractive index sensor based on a chip of etched thin cladding waveguide Bragg grating, the measured refractive index sensitivity can be up to 10.9 nm/RIU.
DOI:10.1109/ACP55869.2022.10088633