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Overcoming the Fundamental Limit of Outcoupling Efficiency: A Low-Refractive-Index Cavity Grating

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Abstract

A high outcoupling efficiency dictates development of high-efficiency light-emitting diodes. Here, we demonstrate that low-refractive-index cavity gratings present a fundamental breakthrough in outcoupling efficiency via high-amplitude leaky modes.

© 2018 The Author(s)

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