Accelerating diffraction-free beams in photonic lattices

作者:Makris K G*; Kaminer I; El Ganainy R; Efremidis N K; Chen Zhigang; Segev M; Christodoulides D N
来源:Optics Letters, 2014, 39(7): 2129-2132.
DOI:10.1364/OL.39.002129

摘要

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.