Abstract

Propagation of a spatial soliton in a dissipative modulated Bessel optical lattice is investigated, both analytically and numerically. The dynamic evolution equations for beam width, amplitude, and curvature wavefront are obtained by a variational approach. It is shown that by properly increasing the modulation depth of refractive index of the optical lattice, the loss effect can be compensated exactly to fulfill a stable spatial soliton propagation.

© 2007 Optical Society of America

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