期刊
JOURNAL OF LIGHTWAVE TECHNOLOGY
卷 35, 期 12, 页码 2429-2435出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JLT.2017.2660459
关键词
Graded-index few-mode fiber; intermodal four-wave mixing; nonlinear fiber optics; phase-matching
We demonstrate the full bandwidth measurement of the intermodal four-wave mixing efficiency for a 4.7-km three-spatial-mode few-mode fiber. Large fluctuations of intermodal four-wave mixing between the LP01 and LP11 modes are experimentally observed. These fluctuations exhibit a strong wavelength dependence that can be persistent in time. The fluctuations are also shown to display some polarization dependence.
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