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physics.optics2013★ 1 cited
Negative refraction and spatial echo in optical waveguide arrays
Ramaz Khomeriki, Lasha Tkeshelashvili
The special symmetry properties of the discrete nonlinear Schrodinger equation allow a complete revival of the initial wavefunction. That is employed in the context of stationary p…
physics.optics2008
Far-off-resonant wave interaction in one-dimensional photonic crystals with quadratic nonlinearity
Johannes-Geert Hagmann, Lasha Tkeshelashvili, Kurt Busch +1
We extend a recently developed Hamiltonian formalism for nonlinear wave interaction processes in spatially periodic dielectric structures to the far-off-resonant regime, and invest…