Physics – Optics
Scientific paper
2006-01-07
Opt. Express 14, 1913-1923 (2006)
Physics
Optics
11 pages, 8 figures
Scientific paper
10.1364/OE.14.001913
We generate experimentally different types of two-dimensional Bloch waves of a square photonic lattice by employing the phase imprinting technique. We probe the local dispersion of the Bloch modes in the photonic lattice by analyzing the linear diffraction of beams associated with the high-symmetry points of the Brillouin zone, and also distinguish the regimes of normal, anomalous, and anisotropic diffraction through observations of nonlinear self-action effects.
Denz Cornelia
Fischer Robert
Kivshar Yuri S.
Krolikowski Wieslaw
Neshev Dragomir N.
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