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Confining electromagnetic energy is crucial to enhance light‐matter interactions, with important implications for science and technology. Here, the opportunities offered by trapping and confining light in open structures, based on the concept of embedded eigenstates within the radiation continuum enabled by zero‐index metamaterials, are discussed. Building upon the physical insights offered by the...
Periodic arrays of plasmonic nanoantennas can enhance the directionality of light emission of nearby fluorophores and, therefore, have a great potential for a broad range of applications. Unfortunately, their narrow spectral bandwidth and the anisotropy of their optical resonances limit the use of these structures in applications such as solid state lighting. In this article, we study an alternative...
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