Abstract

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 LP $_{01}$ and LP $_{11}$ 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.

© 2017 IEEE

Theory of intermodal four-wave mixing with random linear mode coupling in few-mode fibers

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