Physics – Optics
Scientific paper
2012-02-21
Physics
Optics
3 pages, 3 figures, submitted to Optics Letters
Scientific paper
We examine the existence and stability of discrete spatial solitons in coupled nonlinear lasing cavities (waveguide resonators), addressing the case of active media, where the gain exceeds damping in the linear limit. A zoo of stable localized structures is found and classified: these are bright and grey cavity solitons with different symmetry. It is shown that several new types of solitons with a nontrivial intensity distribution pattern can emerge in the coupled cavities due to the stability of a periodic extended state. The latter can be stable even when a bistability of homogenous states is absent.
Derevyanko Stanislav A.
Johansson Magnus
Prilepsky Jaroslaw E.
Yulin Alexey V.
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