Spiral self-trapping propagation of optical beams in media with cubic nonlinearity

  • Kruglov V
  • Vlasov R
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A new (three-dimensional) type of self-trapped beam connected with the rotation of the field phase is obtained. It is shown that the field intensity is ring-shaped, and the field distribution has a rotating spiral character, its parameters being expressed through constants of the motion. Existence conditions for such spiral-like beams are indicated. © 1985.

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  • V. I. Kruglov

  • R. A. Vlasov

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