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Spontaneous knotting of self-trapped waves.


ABSTRACT: We describe theory and simulations of a spinning optical soliton whose propagation spontaneously excites knotted and linked optical vortices. The nonlinear phase of the self-trapped light beam breaks the wave front into a sequence of optical vortex loops around the soliton, which, through the soliton's orbital angular momentum and spatial twist, tangle on propagation to form links and knots. We anticipate similar spontaneous knot topology to be a universal feature of waves whose phase front is twisted and nonlinearly modulated, including superfluids and trapped matter waves.

SUBMITTER: Desyatnikov AS 

PROVIDER: S-EPMC3480719 | biostudies-literature | 2012

REPOSITORIES: biostudies-literature

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Spontaneous knotting of self-trapped waves.

Desyatnikov Anton S AS   Buccoliero Daniel D   Dennis Mark R MR   Kivshar Yuri S YS  

Scientific reports 20121025


We describe theory and simulations of a spinning optical soliton whose propagation spontaneously excites knotted and linked optical vortices. The nonlinear phase of the self-trapped light beam breaks the wave front into a sequence of optical vortex loops around the soliton, which, through the soliton's orbital angular momentum and spatial twist, tangle on propagation to form links and knots. We anticipate similar spontaneous knot topology to be a universal feature of waves whose phase front is t  ...[more]

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