Single-mode interface states in heterostructure waveguides with Bragg and non-Bragg gaps
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DOI: 10.1038/srep44381
Abstract: Interface states can always arise in heterostructures that consist of two or more (artificial) materials with topologically different energy bands. The gapped band structure can be classified by the Chern number (a topological invariant) generally… read more here.
Keywords: interface states; mode; non bragg; bragg gaps ... See more keywords