Volume 104, Number 1, October 2013
|Number of page(s)||6|
|Section||Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics|
|Published online||15 November 2013|
Dynamics of dark solitons localized at structural defect in one-dimensional photonic lattices with defocusing saturable nonlinearity
P * group, Vinča Institute of Nuclear Sciences, University of Belgrade - P. O. B. 522, 11001 Belgrade, Serbia
Received: 12 July 2013
Accepted: 11 October 2013
We investigated the influence of the structural defect placed inside uniform photonic lattice on existence and dynamics of dark spatially localized defect modes. Depending on the strength of the defect and considering the lattice with defocusing saturable nonlinearity, we found two different types of dark solutions to exist. Their stability and dynamical properties are shown to be affected by the defect as well.
PACS: 42.65.Tg – Optical solitons; nonlinear guided waves / 42.65.Wi – Nonlinear waveguides / 63.20.Pw – Localized modes
© EPLA, 2013
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