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Phys. Rev. Lett. 83, 296–299 (1999)

Stability of Multihump Optical Solitons

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Elena A. Ostrovskaya1, Yuri S. Kivshar1, Dmitry V. Skryabin2, and William J. Firth2
1Optical Sciences Center, The Australian National University, Canberra ACT 0200, Australia
2Department of Physics and Applied Physics, University of Strathclyde, Glasgow, G4 0NG, Scotland

Received 10 December 1998; published in the issue dated 12 July 1999

We demonstrate that, in contrast with what was previously believed, multihump solitary waves can be stable. By means of linear stability analysis and numerical simulations, we investigate the stability of two- and three-hump solitary waves governed by incoherent beam interaction in a saturable medium, providing a theoretical background for the stability of the experimental results reported by Mitchell, Segev, and Christodoulides [Phys. Rev. Lett. 80, 4657 (1998)].

© 1999 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.83.296
DOI:
10.1103/PhysRevLett.83.296
PACS:
42.65.Tg, 05.45.Yv
 
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