S. Liu, Y. Hu, P. Zhang, X. Gan, J. Zhao, C. Lou, D. Song, and Z. Chen, "Observation of symmetry-breaking beam dynamics in optically induced hexagonal photonic lattices,"
in CLEO:2011 - Laser Applications to Photonic Applications,
OSA Technical Digest (CD)
(Optical Society of America, 2011), paper JThB79.
We study symmetry-breaking of the multi-vortex Bloch modes in optically induced hexagonal lattices. Such symmetry-breaking results from either exciting with an anisotropic beam or inducing an anisotropic photonic lattice.