Abstract

The possibility of restructuring the spectral density of a random light beam up to three times along the propagation path in free space is demonstrated. This can be achieved by prescribing special correlations and different twist factors (by magnitude and/or direction) in the two mutually orthogonal electric field components in the source plane. We also show that the degree of polarization of such a light beam can rotate or not on propagation.

© 2018 Optical Society of America

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