Active tuning of high-Q dielectric metasurfaces

Matthew Parry; Andrei Komar; Ben Hopkins; Salvatore Campione; Sheng Liu; Andrey E. Miroshnichenko; John Nogan; Michael B. Sinclair; Igal Brener; Dragomir N. Neshev

doi:10.1063/1.4997301

Active tuning of high-Q dielectric metasurfaces

Matthew Parry^*, Andrei Komar, Ben Hopkins, Salvatore Campione, Sheng Liu, Andrey E. Miroshnichenko, John Nogan, Michael B. Sinclair, Igal Brener, Dragomir N. Neshev

^*Corresponding author for this work

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

48 Citations (Scopus)

Abstract

We demonstrate the active tuning of all-dielectric metasurfaces exhibiting high-quality factor (high-Q) resonances. The active control is provided by embedding the asymmetric silicon meta-atoms with liquid crystals, which allows the relative index of refraction to be controlled through heating. It is found that high quality factor resonances (Q = 270 ± 30) can be tuned over more than three resonance widths. Our results demonstrate the feasibility of using all-dielectric metasurfaces to construct tunable narrow-band filters.

Original language	English
Article number	053102
Journal	Applied Physics Letters
Volume	111
Issue number	5
DOIs	https://doi.org/10.1063/1.4997301
Publication status	Published - 31 Jul 2017

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10.1063/1.4997301

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title = "Active tuning of high-Q dielectric metasurfaces",

abstract = "We demonstrate the active tuning of all-dielectric metasurfaces exhibiting high-quality factor (high-Q) resonances. The active control is provided by embedding the asymmetric silicon meta-atoms with liquid crystals, which allows the relative index of refraction to be controlled through heating. It is found that high quality factor resonances (Q = 270 ± 30) can be tuned over more than three resonance widths. Our results demonstrate the feasibility of using all-dielectric metasurfaces to construct tunable narrow-band filters.",

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AU - Parry, Matthew

AU - Komar, Andrei

AU - Hopkins, Ben

AU - Campione, Salvatore

AU - Liu, Sheng

AU - Miroshnichenko, Andrey E.

AU - Nogan, John

AU - Sinclair, Michael B.

AU - Brener, Igal

AU - Neshev, Dragomir N.

PY - 2017/7/31

Y1 - 2017/7/31

N2 - We demonstrate the active tuning of all-dielectric metasurfaces exhibiting high-quality factor (high-Q) resonances. The active control is provided by embedding the asymmetric silicon meta-atoms with liquid crystals, which allows the relative index of refraction to be controlled through heating. It is found that high quality factor resonances (Q = 270 ± 30) can be tuned over more than three resonance widths. Our results demonstrate the feasibility of using all-dielectric metasurfaces to construct tunable narrow-band filters.

AB - We demonstrate the active tuning of all-dielectric metasurfaces exhibiting high-quality factor (high-Q) resonances. The active control is provided by embedding the asymmetric silicon meta-atoms with liquid crystals, which allows the relative index of refraction to be controlled through heating. It is found that high quality factor resonances (Q = 270 ± 30) can be tuned over more than three resonance widths. Our results demonstrate the feasibility of using all-dielectric metasurfaces to construct tunable narrow-band filters.

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Active tuning of high-Q dielectric metasurfaces

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