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physics.optics2013★ 25 cited
Tunable nonlinear PT-symmetric defect modes with an atomic cell
Chao Hang, Dmitry A. Zezyulin, Vladimir V. Konotop +1
We propose a scheme of creating a tunable highly nonlinear defect in a one-dimensional photonic crystal. The defect consists of an atomic cell filled in with two isotopes of three-…
nlin.PS2013★ 23 cited
Stationary modes and integrals of motion in nonlinear lattices with PT-symmetric linear part
Dmitry A. Zezyulin, Vladimir V. Konotop
We consider finite-dimensional nonlinear systems with linear part described by a parity-time (PT-) symmetric operator. We investigate bifurcations of stationary nonlinear modes fro…