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Transient electromagnetic singularities in random three-dimensional optical fields

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Abstract

We show that on all generic circular or elliptical paths in a random three-dimensional electromagnetic field, the electric and magnetic field vectors generate a cylinder throughout most of the optical cycle. At some point in the cycle, however, this cylinder transforms into a twisted ribbon with two sequential 180° twists. This ribbon exists for a short time and then unwinds, regenerating the cylinder. We discuss how and why these structures form and what determines their lifetimes.

© 2021 Optical Society of America

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Data underlying the results presented in this paper are not publicly available at this time but may be obtained from the author upon reasonable request.

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