Phys. Rev. Lett. 92, 123904 (2004) [4 pages]Observation of Vortex-Ring “Discrete” Solitons in 2D Photonic LatticesReceived 17 September 2003; published 25 March 2004 We present the experimental observation of both on-site and off-site vortex-ring solitons of unity topological charge in a nonlinear photonic lattice, along with a theoretical study of their propagation dynamics and stability. © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.92.123904
DOI:
10.1103/PhysRevLett.92.123904
PACS:
42.65.–k
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