Multifunctional Nonlocal Metasurfaces

Adam C. Overvig, Stephanie C. Malek, and Nanfang Yu
Phys. Rev. Lett. 125, 017402 – Published 2 July 2020

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.

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  • Received 19 November 2019
  • Accepted 16 June 2020

DOI:https://doi.org/10.1103/PhysRevLett.125.017402

© 2020 American Physical Society

Physics Subject Headings (PhySH)

Condensed Matter, Materials & Applied Physics

Authors & Affiliations

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

  • Department of Applied Physics and Applied Mathematics, Columbia University, New York, New York 10027, USA

  • *Corresponding author. ny2214@columbia.edu

See Also

Selection rules for quasibound states in the continuum

Adam C. Overvig, Stephanie C. Malek, Michael J. Carter, Sajan Shrestha, and Nanfang Yu
Phys. Rev. B 102, 035434 (2020)

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Vol. 125, Iss. 1 — 3 July 2020

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