Abstract
Chapter 7 treats the case when a multimode waveguide is induced not by a single but several optical beams and vector solitons in a photorefractive medium can be constructed. In this case the participating modes are not guided in a passive way but interact with the medium and contribute equally to the formation of the required refractive-index profile. This is a substantially different approach from that described in the preceding chapters since two or more beams copropagate in a joint refractive-index profile generated by themselves. Vector solitons can therefore be considered as molecules of light, and their stability is one of the most crucial questions in complex spatial-soliton optics. We show that combination of higher-order modes with the fundamental Gaussian mode can lead to stabilization of multipole vector solitons, whereas vortex beams, as a general rule, decay into multipole vector solitons. Moreover, we demonstrate the stabilization of multicomponent solitons and soliton clusters.
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© 2003 Springer-Verlag Berlin Heidelberg
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Denz, C., Schwab, M., Weilnau, C. (2003). Self-Organized Pattern Formation in Single-Feedback Systems. In: Transverse-Pattern Formation in Photorefractive Optics. Springer Tracts in Modern Physics, vol 188. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-36977-6_8
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DOI: https://doi.org/10.1007/978-3-540-36977-6_8
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Publisher Name: Springer, Berlin, Heidelberg
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Online ISBN: 978-3-540-36977-6
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