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Opt Express. 2007 Mar 19;15(6):3212-23.

Exact dynamic localization in curved AlGaAs optical waveguide arrays.


We present experimental observations of exact dynamic localization of an optical beam in a periodically curved AlGaAs waveguide array. The dynamic localization of the beam is "exact" in that it is observed even when the photonic band of the array is not well described in the nearest-neighbor tight-binding approximation. We present the spatial evolution of the beam around the two-period plane in the structure, explicitly demonstrating the delocalization and subsequent relocalization of the beam. We also emonstrate the strong wavelength dependence of the beam relocalization for a four period structure.

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