Multifunctional Nonlocal Metasurfaces

Adam C. Overvig, Stephanie C. Malek, Nanfang Yu

Research output: Contribution to journalArticlepeer-review

165 Scopus citations

Abstract

Diffractive photonic devices manipulate light via local and nonlocal optical modes. Local devices, such as metasurfaces, can shape a wave front at multiple selected wavelengths, but inevitably modify light across the spectrum; nonlocal devices, such as grating filters, offer great frequency selectivity but limited spatial control. Here, we introduce a rational design paradigm using quasibound states in the continuum to realize multifunctional nonlocal devices: metasurfaces that produce narrow band spatially tailored wave fronts at multiple selected wavelengths and yet are otherwise transparent.

Original languageEnglish
Article number017402
JournalPhysical Review Letters
Volume125
Issue number1
DOIs
StatePublished - 3 Jul 2020

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