Topological Bound States in the Continuum in Arrays of Dielectric Spheres.
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DOI: 10.1103/physrevlett.118.267401
Abstract: We consider Bloch bound states in the radiation continuum in periodic arrays of dielectric spheres. It is demonstrated that the bound states are associated with phase singularities of the quasimode coupling strength. That makes the… read more here.
Keywords: states continuum; bound states; topological bound; dielectric spheres ... See more keywords