Double Fano resonance in a side-by-side gratings structure

Brenda Dana; Alon Bahabad

doi:10.1088/2040-8986/aad11a

Double Fano resonance in a side-by-side gratings structure

Brenda Dana, Alon Bahabad

School of Electrical Engineering

Tel Aviv University

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

Abstract

It is shown theoretically and numerically that a metal-dielectric or an all-dielectric side-by-side gratings structure can support non-degenerate guided modes coupled to the same radation mode. This realizes an easy to fabricate, simple system supporting a nearly degenerate, efficiently coupled, double Fano resonance. The ensuing relatively narrow and high-visibility spectral line-shape can be useful for realizing ultra-thin optical filters.

Original language	English
Article number	085002
Journal	Journal of Optics (United Kingdom)
Volume	20
Issue number	8
DOIs	https://doi.org/10.1088/2040-8986/aad11a
State	Published - 16 Jul 2018

Keywords

double Fano resonance
optics
plasmons

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics

Access to Document

10.1088/2040-8986/aad11a

Cite this

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title = "Double Fano resonance in a side-by-side gratings structure",

abstract = "It is shown theoretically and numerically that a metal-dielectric or an all-dielectric side-by-side gratings structure can support non-degenerate guided modes coupled to the same radation mode. This realizes an easy to fabricate, simple system supporting a nearly degenerate, efficiently coupled, double Fano resonance. The ensuing relatively narrow and high-visibility spectral line-shape can be useful for realizing ultra-thin optical filters.",

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N2 - It is shown theoretically and numerically that a metal-dielectric or an all-dielectric side-by-side gratings structure can support non-degenerate guided modes coupled to the same radation mode. This realizes an easy to fabricate, simple system supporting a nearly degenerate, efficiently coupled, double Fano resonance. The ensuing relatively narrow and high-visibility spectral line-shape can be useful for realizing ultra-thin optical filters.

AB - It is shown theoretically and numerically that a metal-dielectric or an all-dielectric side-by-side gratings structure can support non-degenerate guided modes coupled to the same radation mode. This realizes an easy to fabricate, simple system supporting a nearly degenerate, efficiently coupled, double Fano resonance. The ensuing relatively narrow and high-visibility spectral line-shape can be useful for realizing ultra-thin optical filters.

KW - double Fano resonance

KW - optics

KW - plasmons

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DO - 10.1088/2040-8986/aad11a

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JO - Journal of Optics (United Kingdom)

JF - Journal of Optics (United Kingdom)

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M1 - 085002

ER -

Double Fano resonance in a side-by-side gratings structure

Abstract

Keywords

All Science Journal Classification (ASJC) codes

Access to Document

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