Refractive index sensing with Fano resonances in silicon oligomers

Katie E. Chong; Henry W. Orton; Isabelle Staude; Manuel Decker; Andrey E. Miroshnichenko; Igal Brener; Yuri S. Kivshar; Dragomir N. Neshev

doi:10.1098/rsta.2016.0070

Refractive index sensing with Fano resonances in silicon oligomers

Katie E. Chong, Henry W. Orton, Isabelle Staude, Manuel Decker, Andrey E. Miroshnichenko, Igal Brener, Yuri S. Kivshar, Dragomir N. Neshev^*

^*Corresponding author for this work

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

25 Citations (Scopus)

Abstract

We demonstrate experimentally refractive index sensing with localized Fano resonances in silicon oligomers, consisting of six disks surrounding a central one of slightly different diameter. Owing to the low absorption and narrow Fano-resonant spectral features appearing as a result of the interference of the modes of the outer and the central disks, we demonstrate refractive index sensitivity of more than 150nmRIU-1 with a figure of merit of 3.8. This article is part of the themed issue 'New horizons for nanophotonics'.

Original language	English
Article number	0070
Journal	Philosophical transactions. Series A, Mathematical, physical, and engineering sciences
Volume	375
Issue number	2090
DOIs	https://doi.org/10.1098/rsta.2016.0070
Publication status	Published - 28 Mar 2017

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title = "Refractive index sensing with Fano resonances in silicon oligomers",

abstract = "We demonstrate experimentally refractive index sensing with localized Fano resonances in silicon oligomers, consisting of six disks surrounding a central one of slightly different diameter. Owing to the low absorption and narrow Fano-resonant spectral features appearing as a result of the interference of the modes of the outer and the central disks, we demonstrate refractive index sensitivity of more than 150nmRIU-1 with a figure of merit of 3.8. This article is part of the themed issue 'New horizons for nanophotonics'.",

keywords = "Fano resonances, Nanophotonic structures, Oligomer, Sensing",

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AU - Chong, Katie E.

AU - Orton, Henry W.

AU - Staude, Isabelle

AU - Decker, Manuel

AU - Miroshnichenko, Andrey E.

AU - Brener, Igal

AU - Kivshar, Yuri S.

AU - Neshev, Dragomir N.

PY - 2017/3/28

Y1 - 2017/3/28

N2 - We demonstrate experimentally refractive index sensing with localized Fano resonances in silicon oligomers, consisting of six disks surrounding a central one of slightly different diameter. Owing to the low absorption and narrow Fano-resonant spectral features appearing as a result of the interference of the modes of the outer and the central disks, we demonstrate refractive index sensitivity of more than 150nmRIU-1 with a figure of merit of 3.8. This article is part of the themed issue 'New horizons for nanophotonics'.

AB - We demonstrate experimentally refractive index sensing with localized Fano resonances in silicon oligomers, consisting of six disks surrounding a central one of slightly different diameter. Owing to the low absorption and narrow Fano-resonant spectral features appearing as a result of the interference of the modes of the outer and the central disks, we demonstrate refractive index sensitivity of more than 150nmRIU-1 with a figure of merit of 3.8. This article is part of the themed issue 'New horizons for nanophotonics'.

KW - Fano resonances

KW - Nanophotonic structures

KW - Oligomer

KW - Sensing

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JO - Philosophical transactions. Series A, Mathematical, physical, and engineering sciences

JF - Philosophical transactions. Series A, Mathematical, physical, and engineering sciences

IS - 2090

M1 - 0070

ER -

Refractive index sensing with Fano resonances in silicon oligomers

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