Dual-mode heterodyne gas tracing in a graphene-based fiber laser microresonator

Yanhong Guo,Ning An,Yiwei Li,Teng Tan,Yiping Wang,Yunjiang Rao,Baicheng Yao

Asia Communications and Photonics Conference 2021（2021）

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摘要

By combining monolayer graphene in an erbium-doped D-shaped fiber DBR, we achieve both Q-switching and cavity-oscillation mode lasers in an all-in-one fiber-optical device, label-freely detecting NH3 and CO2 gas in mixture with nM/L sensitivity.

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关键词

graphene-based fiber laser microresonator,monolayer graphene,cavity-oscillation mode lasers,fiber-optical device,dual-mode heterodyne gas tracing,erbium-doped D-shaped fiber DBR,Q-switching,mixture,NH3,CO2,C

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