期刊
JOURNAL OF LIGHTWAVE TECHNOLOGY
卷 40, 期 7, 页码 2111-2115出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JLT.2021.3135314
关键词
Graphene; Optical fiber filters; Optical pumping; Optical films; Optical reflection; Optical fiber communication; Surface treatment; All-optical tunable fiber filter; fiber open microcavity; graphene film
资金
- General Project of Shenzhen University Stable Support Program [SZWD2021006]
- Special Project for Key Fields of Colleges and Universities in Guangdong [2021ZDZX1013]
- Guangdong Basic and Applied Basic Research Foundation, Peacock Project [20210712433B]
- Natural Science Foundation of Top Talent of SZTU
An all-optical tunable fiber filter with dual graphene films was constructed using a fiber open microcavity. Experimental results showed that the filter had a large tunable wavelength range.
An all-optical tunable fiber filter with dual graphene films enabled by a fiber open microcavity. The graphene films are deposited on the fiber end surfaces via the light induced thermophoresis effect. Two fiber end surfaces deposited with the graphene films are used to construct the microcavity. Under an additional 980-nm optical pump, the filter experiences stronger optical Kerr effect and photothermal effect since the light propagates to the dual graphene films repeatedly. Experimental results show that its all-optical tunable wavelength range can reach 8.295 nm within the optical pump power range of 0 similar to 80 mW, and it is almost 23.8 times of the reported all-optical tunable Fabry-Perot filter.
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