Propagation of solitons in thermal media with periodic nonlinearity
arXiv:0806.2932 · doi:10.1364/OL.33.001774
Abstract
We address the existence and properties of solitons in layered thermal media made of alternating focusing and defocusing layers. Such structures support robust bright solitons even if the averaged nonlinearity is defocusing. We show that non-oscillating solitons may form in any of the focusing domains, even in those located close to the sample edge, in contrast to uniform thermal media where light beams always oscillate when not launched exactly on the sample center. Stable multipole solitons may include more than four spots in layered media.
arXiv comment12 pages, 3 figures, to appear in Optics Letters
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- Bright solitons in quasi-one dimensional dipolar condensates with spatially modulated interactions
- Bright solitons in Bose-Einstein condensates with field-induced dipole moments
- Optical Solitons in a Trinal-channel Inverted Nonlinear Photonic Crystal
- Solitons in thermal media with periodic modulation of linear refractive index
- Light beam dynamics in materials with radially-inhomogeneous thermal conductivity