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Mode pairs in -symmetric multimode waveguides
Changming Huang, Fangwei Ye, Xianfeng Chen
We study mode properties in multimode optical waveguides with parity-time() symmetry. We find that two guiding modes with successive orders 2\emph{m}-1 and 2\emph{m}…
PT-symmetry in optics beyond the paraxial approximation
Changming Huang, Fangwei Ye, Yaroslav V. Kartashov +2
The concept of the PT-symmetry, originating from the quantum field theory, has been intensively investigated in optics, stimulated by the similarity between the Schrödinger equatio…
Anderson Localization at the Subwavelength Scale and Loss Compensation for Surface-Plasmon Polaritons in Disordered Arrays of Metallic Nanowires
Xianling Shi, Xianfeng Chen, Boris A. Malomed +2
Using a random array of coupled metallic nanowires as a generic example of disordered plasmonic systems, we demonstrate that the structural disorder induces localization of light i…