Abstract
We introduce discrete vortex solitons and vortex breathers in circular arrays of nonlinear waveguides. The simplest vortex breather in a four-waveguide coupler is a nonlinear dynamic state changing its topological charge between +1 and -1 periodically during propagation. We find the stability domain for this solution and suggest an all-optical vortex switching scheme.
| Original language | English |
|---|---|
| Article number | 063822 |
| Pages (from-to) | - |
| Number of pages | 5 |
| Journal | Physical Review A: Atomic, Molecular and Optical Physics |
| Volume | 83 |
| Issue number | 6 |
| DOIs | |
| Publication status | Published - 20 Jun 2011 |
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