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Conferences > ACPC > 2021 > T3A > T3A.5

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

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

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Abstract

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.

© 2021 The Author(s)

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