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Dynamics of a PT-symmetry chain comprising split-ring resonator (SRR) dimers with both gain and loss are investigated. A dimer is built as a pair of opposite orientations of the SRR gaps which result in the alternating electric and magnetic coupling in the chain. The transition from the exact to the broken PT-symmetric phase is presented in the linear regime. Considering the Kerr nonlinearity, it...
Dynamics of a chain of split-ring resonator dimers with Kerr nonlinear interaction are investigated. A dimer is built as a pair of coupled split-ring resonators with different size. It is shown that the gap solitons with frequency lying in the gap exist due to the interaction of the discreteness and nonlinearity. Such localized structures are studied in the phase plane and analytical and numerical...
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