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Ghost-induced exact degeneracies
DOI:10.1364/OL.416775.png)
Abstract
En 中文
We show that ghost waves-a special class of nonuniform waves in biaxial dielectric media-can lead to exact frequency degeneracies in guided modes. These degeneracies offer a new way of controlling mode interactions with a broad range of potential applications, from integrated wave-guides to nonlinear optics and optical sensing. (C) 2021 Optical Society of America

