Journal
OPTICS LETTERS
Volume 35, Issue 10, Pages 1581-1583Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.35.001581
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We present experimental control of the acceleration direction of Airy beams generated by nonlinear three-wave mixing processes in an asymmetrically poled nonlinear photonic crystal. Changing the crystal temperature enabled us to switch the phase matching condition between second-harmonic generation and difference-frequency generation in the same nonlinear crystal and thereby to change the acceleration direction and the wavelength of the output Airy beam. All-optical control of the acceleration direction can be also realized at a fixed crystal temperature by using a tunable pump source and selecting the proper crystal poling period. (C) 2010 Optical Society of America
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