Nonlinear polarization dynamics of Kerr beam self-cleaning in a GRIN multimode optical fiber
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Krupa K., Tonello A., Fabert M., Couderc V., Millot G., Minoni U., Modotto D., Wabnitz S.
We experimentally study the polarization dynamics of Kerr beam self-cleaning in a multimode fiber. We reveal that spatial beam cleanup is accompanied by nonlinear polarization evolution and a significant increase of the degree of polarization.