We introduce a novel class of stable lattice solitons with a complex phase structure composed of many single-charge discrete vortices in a triangular photonic lattice. We demonstrate that such nonlinear self-trapped states are linked to the resonant Bloch modes, which bear a honeycomb pattern of phase dislocations.
© 2007 Optical Society of America
Original Manuscript: January 2, 2007
Manuscript Accepted: February 12, 2007
Published: April 17, 2007
Tristram J. Alexander, Anton S. Desyatnikov, and Yuri S. Kivshar, "Multivortex solitons in triangular photonic lattices," Opt. Lett. 32, 1293-1295 (2007)