Utilizing the three-dimensional Snyder-Mitchell model with a PT-symmetric potential, we study the influence of PT symmetry on beam propagation in strongly nonlocal nonlinear media. The complex Coulomb potential is used as the PT-symmetric potential. A localized spatiotemporal accessible soliton solution of the model is obtained. Specific values of the modulation depth for different soliton parameters are discussed. Our results reveal that in these media the localized solitons can exist in various shapes, such as single-layer and multi-layer disk-shaped structures, as well as vortex-ring and necklace patterns.
© 2012 Optical Society of Korea
Original Manuscript: August 17, 2012
Revised Manuscript: September 26, 2012
Manuscript Accepted: October 11, 2012
Published: December 25, 2012
Wei-Ping Zhong, Milivoj R. Belic, and Tingwen Huang, "Three-dimensional Spatiotemporal Accessible Solitons in a PT-symmetric Potential," J. Opt. Soc. Korea 16, 425-431 (2012)
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