期刊
JOURNAL OF LIGHTWAVE TECHNOLOGY
卷 29, 期 13, 页码 1980-1987出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JLT.2011.2155621
关键词
Multimode fiber (MMF); spatial light modulation (SLM); transmission capacity; mode-selective excitation; binary-phase filters
资金
- Polish Ministry of Science
- European Union Warsaw University of Technology
In this paper, spatial light modulation is proposed to increase the transmission capacity of graded-index multimode fibers. In the method, selected linearly polarized eigenmodes of the fiber are excited using simple binary-phase spatial filters. Numerical results indicate that the selectivity of the method is very high, also for fibers with perturbed profiles. The excess attenuation of the method is very low. In the experiment, a threefold increase of fiber bandwidth for several filters is obtained.
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