Journal
JOURNAL OF LIGHTWAVE TECHNOLOGY
Volume 40, Issue 4, Pages 1167-1172Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JLT.2021.3125189
Keywords
Optical fiber sensors; Optical fiber filters; Microcavities; Graphene; Optical fiber communication; Tuning; Epoxy resins; All-optical tunable filter; fiber microcavity; graphene; epoxy composite
Funding
- CAS [Y829321213]
- General Project of Shenzhen University stable support Program [SZWD2021006]
- Special Project for key fields of colleges and Universities in Guangdong [2021ZDZX1013]
- Innovation Team Project of Guangdong University Scientific Research Platform of Guangdong Provincial Department of Education [2020KCXT029]
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A broadband all-optical tunable fiber microcavity filter, based on graphene/epoxy composite, is presented. The microcavity shows excellent all-optical controlability and has a strong optical Kerr effect and photothermal effect induced by the optical pump. The experimental results demonstrate a wavelength tuning range of 25.54 nm and a tuning step of -832 pm/mW.
A graphene/epoxy composite based broadband all-optical tunable fiber microcavity filter is presented. The graphene/epoxy composite based microcavity shows the excellent all-optical controlability. Since the light acts on the graphene/epoxy composite directly, the microcavity has stronger optical Kerr effect and photothermal effect induced by the optical pump. Experimental results show that its wavelength tuning range and tuning step reach 25.54 nm and -832 pm/mW, respectively. It is expected to be applied in the fields of tunable optical filters, optical communication, optical sensors, fiber lasers, and spectrum scanning.
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