New Horizons in Near-Zero Refractive Index Photonics and Hyperbolic Metamaterials

Michaël Lobet; Nathaniel Kinsey; Iñigo Liberal; Humeyra Caglayan; Paloma A. Huidobro; Emanuele Galiffi; Jorge Ricardo Mejía-Salazar; Giovanna Palermo; Zubin Jacob; Nicolò Maccaferri

doi:10.1021/acsphotonics.3c00747

New Horizons in Near-Zero Refractive Index Photonics and Hyperbolic Metamaterials

Michaël Lobet, Nathaniel Kinsey, Iñigo Liberal, Humeyra Caglayan, Paloma A. Huidobro, Emanuele Galiffi, Jorge Ricardo Mejía-Salazar, Giovanna Palermo, Zubin Jacob, Nicolò Maccaferri

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Abstract

The engineering of the spatial and temporal properties of both the electric permittivity and the refractive index of materials is at the core of photonics. When vanishing to zero, those two variables provide efficient knobs to control light–matter interactions. This Perspective aims at providing an overview of the state of the art and the challenges in emerging research areas where the use of near-zero refractive index and hyperbolic metamaterials is pivotal, in particular, light and thermal emission, nonlinear optics, sensing applications, and time-varying photonics.

Original language	English
Pages (from-to)	3805-3820
Number of pages	16
Journal	ACS Photonics
Volume	10
Issue number	11
DOIs	https://doi.org/10.1021/acsphotonics.3c00747
Publication status	Published - 15 Nov 2023

Keywords

hyperbolic metamaterials
near-zero refractive index photonics
nonlinear optics
sensing
thermal emission engineering
time-varying photonics

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10.1021/acsphotonics.3c00747Licence: CC BY

lobet-et-al-2023-new-horizons-in-near-zero-refractive-index-photonics-and-hyperbolic-metamaterialsFinal published version, 8.03 MBLicence: CC BY

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abstract = "The engineering of the spatial and temporal properties of both the electric permittivity and the refractive index of materials is at the core of photonics. When vanishing to zero, those two variables provide efficient knobs to control light–matter interactions. This Perspective aims at providing an overview of the state of the art and the challenges in emerging research areas where the use of near-zero refractive index and hyperbolic metamaterials is pivotal, in particular, light and thermal emission, nonlinear optics, sensing applications, and time-varying photonics.",

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AU - Liberal, Iñigo

AU - Caglayan, Humeyra

AU - Huidobro, Paloma A.

AU - Galiffi, Emanuele

AU - Mejía-Salazar, Jorge Ricardo

AU - Palermo, Giovanna

AU - Jacob, Zubin

AU - Maccaferri, Nicolò

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New Horizons in Near-Zero Refractive Index Photonics and Hyperbolic Metamaterials

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