A Monolithic Graphene-Functionalized Microlaser for Multispecies Gas Detection

A Monolithic Graphene-Functionalized Microlaser for Multispecies Gas Detection

© 2022 The Authors. Advanced Materials published by Wiley-VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 34(2022), 51 vom: 31. Dez., Seite e2207777
1. Verfasser: Guo, Yanhong (VerfasserIn)
Weitere Verfasser: Li, Zhaoyu, An, Ning, Guo, Yongzheng, Wang, Yuchen, Yuan, Yusen, Zhang, Hao, Tan, Teng, Wu, Caihao, Peng, Bo, Soavi, Giancarlo, Rao, Yunjiang, Yao, Baicheng
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2022
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article graphene microlaser sensors mode splitting multispecies gas detection whispering gallery mode
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520 |a Optical-microcavity-enhanced light-matter interaction offers a powerful tool to develop fast and precise sensing techniques, spurring applications in the detection of biochemical targets ranging from cells, nanoparticles, and large molecules. However, the intrinsic inertness of such pristine microresonators limits their spread in new fields such as gas detection. Here, a functionalized microlaser sensor is realized by depositing graphene in an erbium-doped over-modal microsphere. By using a 980 nm pump, multiple laser lines excited in different mode families of the microresonator are co-generated in a single device. The interference between these splitting mode lasers produce beat notes in the electrical domain (0.2-1.1 MHz) with sub-kHz accuracy, thanks to the graphene-induced intracavity backward scattering. This allows for lab-free multispecies gas identification from a mixture, and ultrasensitive gas detection down to individual molecule 
650 4 |a Journal Article 
650 4 |a graphene 
650 4 |a microlaser sensors 
650 4 |a mode splitting 
650 4 |a multispecies gas detection 
650 4 |a whispering gallery mode 
700 1 |a Li, Zhaoyu  |e verfasserin  |4 aut 
700 1 |a An, Ning  |e verfasserin  |4 aut 
700 1 |a Guo, Yongzheng  |e verfasserin  |4 aut 
700 1 |a Wang, Yuchen  |e verfasserin  |4 aut 
700 1 |a Yuan, Yusen  |e verfasserin  |4 aut 
700 1 |a Zhang, Hao  |e verfasserin  |4 aut 
700 1 |a Tan, Teng  |e verfasserin  |4 aut 
700 1 |a Wu, Caihao  |e verfasserin  |4 aut 
700 1 |a Peng, Bo  |e verfasserin  |4 aut 
700 1 |a Soavi, Giancarlo  |e verfasserin  |4 aut 
700 1 |a Rao, Yunjiang  |e verfasserin  |4 aut 
700 1 |a Yao, Baicheng  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Advanced materials (Deerfield Beach, Fla.)  |d 1998  |g 34(2022), 51 vom: 31. Dez., Seite e2207777  |w (DE-627)NLM098206397  |x 1521-4095  |7 nnns 
773 1 8 |g volume:34  |g year:2022  |g number:51  |g day:31  |g month:12  |g pages:e2207777 
856 4 0 |u http://dx.doi.org/10.1002/adma.202207777  |3 Volltext 
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