Accelerating Diffraction-free Beams in Photonic Lattices

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We study nondiffracting accelerating paraxial optical beams in periodic potentials, in both the linear and the nonlinear domains. In particular, we show that only a unique class of z-dependent lattices can support a true accelerating diffractionless beam. Accelerating lattice solitons, autofocusing beams and accelerating bullets in optical lattices are systematically examined.

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© 2014 Optical Society of America. Referenced here in compliance with publisher policies. Publisher's version of record: http://dx.doi.org/10.1364/OL.39.002129