Gap solitons on a ring

Details Gap solitons on a ring Gap solitons on a ring

2008-10-30

arxiv.org/abs/0810.5504v1

Optics Letters 33, 2949 (2008)

Physics

Optics

13 pages, 4 figures, to appear in Optics Letters

Scientific paper

10.1364/OL.33.002949

We introduce a new species of gap solitons (GSs) supported by an azimuthally modulated guiding ring in defocusing cubic media. The periodicity in the azimuthal direction strongly modifies properties and existence domains of GSs. In addition to the fundamental solitons, we report even and twisted bound states. The former type is found to be stable, while the twisted states are always unstable in defocusing media.

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