Toward Silicon-Based Metamaterials

Sergey V. Li; Yuri S. Kivshar; Mikhail V. Rybin

doi:10.1021/acsphotonics.8b01126

Toward Silicon-Based Metamaterials

Sergey V. Li, Yuri S. Kivshar, Mikhail V. Rybin^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

17 Citations (Scopus)

Abstract

We study periodic lattices of silicon nanorods and introduce the concept of a phase diagram that characterizes a transition between the regimes of photonic crystals and the dielectric metamaterials when the lattice spacing and operational wavelength vary. We find the conditions when a hexagonal periodic lattice of silicon nanorods can operate as a metamaterial described by averaged parameters. In general, we reveal that the metamaterial regime can be achieved for dielectric permittivity exceeding the value ϵ = 14, being commonly available for semiconductors in both visible and near-infrared frequency ranges. Thus, advanced semiconductor technologies can offer a versatile platform for novel designs of all-dielectric Mie-resonant metadevices.

Original language	English
Pages (from-to)	4751-4757
Number of pages	7
Journal	ACS Photonics
Volume	5
Issue number	12
DOIs	https://doi.org/10.1021/acsphotonics.8b01126
Publication status	Published - 19 Dec 2018

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title = "Toward Silicon-Based Metamaterials",

abstract = "We study periodic lattices of silicon nanorods and introduce the concept of a phase diagram that characterizes a transition between the regimes of photonic crystals and the dielectric metamaterials when the lattice spacing and operational wavelength vary. We find the conditions when a hexagonal periodic lattice of silicon nanorods can operate as a metamaterial described by averaged parameters. In general, we reveal that the metamaterial regime can be achieved for dielectric permittivity exceeding the value ϵ = 14, being commonly available for semiconductors in both visible and near-infrared frequency ranges. Thus, advanced semiconductor technologies can offer a versatile platform for novel designs of all-dielectric Mie-resonant metadevices.",

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author = "Li, {Sergey V.} and Kivshar, {Yuri S.} and Rybin, {Mikhail V.}",

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AU - Li, Sergey V.

AU - Kivshar, Yuri S.

AU - Rybin, Mikhail V.

PY - 2018/12/19

Y1 - 2018/12/19

N2 - We study periodic lattices of silicon nanorods and introduce the concept of a phase diagram that characterizes a transition between the regimes of photonic crystals and the dielectric metamaterials when the lattice spacing and operational wavelength vary. We find the conditions when a hexagonal periodic lattice of silicon nanorods can operate as a metamaterial described by averaged parameters. In general, we reveal that the metamaterial regime can be achieved for dielectric permittivity exceeding the value ϵ = 14, being commonly available for semiconductors in both visible and near-infrared frequency ranges. Thus, advanced semiconductor technologies can offer a versatile platform for novel designs of all-dielectric Mie-resonant metadevices.

AB - We study periodic lattices of silicon nanorods and introduce the concept of a phase diagram that characterizes a transition between the regimes of photonic crystals and the dielectric metamaterials when the lattice spacing and operational wavelength vary. We find the conditions when a hexagonal periodic lattice of silicon nanorods can operate as a metamaterial described by averaged parameters. In general, we reveal that the metamaterial regime can be achieved for dielectric permittivity exceeding the value ϵ = 14, being commonly available for semiconductors in both visible and near-infrared frequency ranges. Thus, advanced semiconductor technologies can offer a versatile platform for novel designs of all-dielectric Mie-resonant metadevices.

KW - metamaterials

KW - photonic crystals

KW - photonic phase diagram

KW - silicon photonics

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EP - 4757

JO - ACS Photonics

JF - ACS Photonics

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ER -

Toward Silicon-Based Metamaterials

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