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Phys Rev Lett. 2000 Aug 14;85(7):1424-7.

Observation of dipole-mode vector solitons

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  • 1Laser Physics Centre, The Australian National University, Canberra ACT 0200, Australia.


We report on the first experimental observation of a novel type of optical vector soliton, a dipole-mode soliton, recently predicted theoretically. We show that these vector solitons can be generated in a photorefractive medium employing two different processes: a phase imprinting, and a symmetry-breaking instability of a vortex-mode vector soliton. The experimental results display remarkable agreement with the theory, and confirm the robust nature of these radially asymmetric two-component solitary waves.

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