期刊
JOURNAL OF LIGHTWAVE TECHNOLOGY
卷 41, 期 13, 页码 4411-4418出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JLT.2022.3228506
关键词
Fiber Bragg gratings (FBGs); multimode fiber (MMF); graded-index; coupling coefficient; FBG spectra
In this paper, a simulation method for analyzing the spectral properties of fiber Bragg gratings written in silica-based multimode graded-index fiber is described and compared with experimental spectra. The simulation accurately determines the resonance wavelengths and provides detailed reflection and transmission spectra using coupled-mode theory and modal field equations. The simulation results show good agreement with the experimental data.
In this paper, we describe a simulation method to analyze the spectral properties of fiber Bragg gratings written in silica-based multimode graded-index fiber, and compare the simulation results with experimental spectra measured in Bragg gratings made in a commercially available graded-index silica fiber. The simulation provides the locations of the resonance wavelengths and uses the coupled-mode theory and the modal field equations to find the detail of the reflection and transmission spectra. A good agreement between the simulation and the experimental results is found.
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