Journal
OPTICS LETTERS
Volume 34, Issue 19, Pages 2906-2908Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.34.002906
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We address two-dimensional (2D) waveguide arrays where light tunneling into neighboring waveguides may be effectively suppressed by an out-of-phase harmonic modulation of the refractive index in neighboring waveguides at suitable frequencies. Genuine 2D features, such as anisotropic diffraction engineering, diffraction-free propagation along selected directions in the transverse plane, and tunneling inhibition for multichannel vortices, are shown to occur. (C) 2009 Optical Society of America
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