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Phys. Rev. Lett. 88, 053901 (2002) [4 pages]

Rotating Optical Soliton Clusters

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Anton S. Desyatnikov1,2 and Yuri S. Kivshar1
1Nonlinear Physics Group, Research School of Physical Sciences and Engineering, The Australian National University, Canberra ACT 0200, Australia
2Department of Optoelectronics, Faculty of Physics, Dnipropetrovsk National University, Dnipropetrovsk 49625, Ukraine

Received 19 June 2001; published 22 January 2002

We introduce the concept of soliton clusters—multisoliton bound states in a homogeneous bulk optical medium—and reveal a key physical mechanism for their stabilization associated with a staircaselike phase distribution that induces a net angular momentum and leads to cluster rotation. The ringlike soliton clusters provide a nontrivial generalization of the concepts of two-soliton spiraling, optical vortex solitons, and necklace-type optical beams.

© 2002 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.88.053901
DOI:
10.1103/PhysRevLett.88.053901
PACS:
42.65.Tg
 
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