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Phys. Rev. E 73, 055601(R) (2006) [4 pages]

Stabilization of vector soliton complexes in nonlocal nonlinear media

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Zhiyong Xu, Yaroslav V. Kartashov*, and Lluis Torner
ICFO-Institut de Ciencies Fotoniques, and Universitat Politecnica de Catalunya, Mediterranean Technology Park, 08860 Castelldefels (Barcelona), Spain

Received 11 October 2005; published 19 May 2006

We introduce vector soliton complexes in nonlocal Kerr-type nonlinear media. We discover that under proper conditions the combination of nonlocality and vectorial coupling has a remarkable stabilizing action on multihumped solitons. In particular, we find that stable bound states featuring several field oscillations in each soliton component do exist. This affords stabilization of vector soliton trains incorporating a large number of humps, a class of structures known to self-destroy via strong instabilities in scalar settings.

© 2006 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevE.73.055601
DOI:
10.1103/PhysRevE.73.055601
PACS:
42.65.Tg, 42.65.Jx, 42.65.Wi

*On leave from Physics Department, M. V. Lomonosov Moscow State University, Russia.