Figure 2 (IMAGE)

Institute for Basic Science

Figure 2

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Far-field polarization profile of laser beams after the modulational instability has developed. Trivial and nontrivial topological phases can be distinguished by counting the number of vortices in the polarization angle. There are no vortices in the trivial phase (left), and a pair of oppositely-charged vortices in the nontrivial phase (right).

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Institute for Basic Science

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