Light propagation inside cavity formed between nonlinear defect and interface of two dissimilar one-dimensional linear photonic lattices
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Krasic, Marija Stojanovic
Milović, Daniela M.
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Light propagation through composite photonic lattice containing a cavity bounded by the interface between two structurally different linear lattices and on-site nonlinear defect in one of them is investigated numerically. We find conditions under which dynamically stable bounded cavity modes can exist. We observe various cavity localized modes such as: single-hump, multi-hump, and moving breathing modes. Light propagation obstructions are phenomenologically related to the Fano resonances. Presented numerical findings may lead to interesting applications, such as blocking, filtering, and transporting of light beams through the optical medium.
Source:European Physical Journal D. Atoms, Molecules, Clusters and Optical Physics, 2015, 69, 9
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